Buick · 2018-2024
Enclave — C1XX (2018–2024)
enclave · enclave essence · enclave premium · enclave avenir · enclave preferred
257 option rows 257 RPO codes 7 model years
96% Factory-verified
- ✓ Factory-verified · 248
- ● Confirmed · 8
- ◑ Single-source · 0
- ⚠ Disputed · 1
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| LFY | Engine, 3.6L V6, SIDI, VVT, stop/start | 2018–2024 | S on all trims; output by source: the 2018 fleet page and the 2022–2023 guides give 310 hp (231 kW) at 6800 rpm and 266 lb-ft (359 N-m) at 2800 rpm, GM's June 2017 order guide (GM Authority) 302 hp and 260 lb-ft, GM Authority's Enclave page 305 hp and 260 lb-ft before 2020 and 310 hp and 266 lb-ft from 2020; 2019–2021, 2024: GM Authority (its 2024 page says the engine carries over from 2018 to 2023; its 2020, 2021 and 2024 pages and 2024 specifications name LFY) | Factory-verified |
| Transmissions | ||||
| EPH | Electronic Precision Shift | 2018, 2022–2023 | S on all trims | Factory-verified |
| M3W | Transmission, 9 speed automatic | 2018–2024 | S on all trims; 2019–2021, 2024: GM Authority (its 2024 page says the transmission carries over from 2018 to 2023; its 2020, 2021 and 2024 pages and 2024 specifications name M3W) | Factory-verified |
| Axles | ||||
| FXC | Axle, 3.49 final drive ratio | 2018, 2022–2023 | S on all trims; GM Authority's 2020, 2021 and 2024 pages give the 3.49 ratio without the code | Factory-verified |
| G99 | Axle, electronic positraction, twin-clutch | 2018–2020 | only in: AWD; Premium, Avenir: S; 2019–2020: GM Authority (Premium and Avenir AWD from 2018 to 2020); GM Authority reports it listed for 2021 Essence, Premium and Avenir AWD, then dropped, leaving 2021 with the regular AWD system only | Factory-verified |
| Packages & Trims | ||||
| 1SD | Trim group, Enclave Preferred | 2019–2021 | only in: FWD; the entry model, replacing the base 1SV; dropped for 2022; 2019–2021: GM Authority | Confirmed |
| 1SL | Trim group, Enclave Essence | 2018–2024 | Essence (FWD and AWD): S; the entry trim from 2022; shown in the guides' trim headings; 2019–2021, 2024: GM Authority | Factory-verified |
| 1SN | Trim group, Enclave Premium | 2018–2024 | Premium (FWD and AWD): S; shown in the guides' trim headings; 2019–2021, 2024: GM Authority | Factory-verified |
| 1SP | Trim group, Enclave Avenir | 2018–2024 | Avenir (FWD and AWD): S; shown in the guides' trim headings; 2019–2021, 2024: GM Authority | Factory-verified |
| 1SV | Trim group, Enclave (base) | 2018 | only in: FWD; the fleet guide page prints the heading as 1SV1, with its footnote 1 (not available with fleet or government order types), so that page is not cited for the code; 2018: GM order guide via GM Authority | Factory-verified |
| AAB | Memory Package, recalls 2 driver presets for 8-way power seat, outside mirrors and tilt/telescoping steering column | 2018, 2022–2023 | 2018, 2022–2023: Premium, Avenir: S; from 2022 it carries the outside mirror memory that DNP held (GM Authority's 2022 changes page) | Factory-verified |
| B26 | Driver Confidence Package, includes lane change alert with side blind zone alert (UKC) and rear cross-traffic alert (UFG) | 2018, 2021 | 2018: Essence: S; renamed Safety Package for 2021 (GM Authority's 2021 pages, without the code); 2021: the code from GM Authority's 2022 changes page, where PDD replaces the Safety Package (B26) on Essence | Factory-verified |
| BGP | Driver Confidence II Package, includes low speed forward automatic braking (UHY) | 2018, 2020 | 2018: Premium, Avenir: S; the guide says front automatic braking replaces UHY when the Avenir Technology Package is ordered; 2020: GM Authority's 2021 changes page, which says BGP is shown as PDD from 2021 | Factory-verified |
| BN2 | Avenir Technology Package, includes adaptive full-speed cruise control with Stop/Go (KSG), front automatic braking (UGN) and the Avenir premium suspension package (CWM) | 2018 | Avenir: O; 2018: GM order guide via GM Authority | Factory-verified |
| CWM | Avenir Premium Suspension Package, includes Premium Ride performance suspension (FE5) and continuously variable real time damping (F45) | 2018, 2022–2023 | Avenir: O; 2018: included only with BN2 (GM order guide via GM Authority); the 2022 and 2023 guides call CWM the Avenir Technology Package, with hydraulic dampers, steering calibration, FE5, F45 and the UWN headlamps | Factory-verified |
| HCR | Sport Touring Edition | 2020, 2022–2023 | only in: Essence; 2020: GM Authority's 2020 Enclave page (codes printed on the line before their item; read so, HCR is the Sport Touring Edition), and its 2020 changes page names the edition new for Essence without the code; 2022–2023: Essence: O, with Q78 20-inch wheels in 2022 and QH5 20-inch Gloss Black wheels in 2023 | Factory-verified |
| PCI | LPO, Touring Package, includes 20 inch machined face aluminum wheels with Satin Graphite painted pockets (S1T) and molded assist steps (VXW) | 2022–2023 | Essence, Premium: O; dealer-installed | Factory-verified |
| PCJ | Experience Buick Package | 2018, 2022–2023 | 2018: Premium: O, includes SQ7 20-inch polished wheels, C3U dual moonroof and V92 trailering package (GM order guide via GM Authority); GM Authority's 2020 changes page reports it dropped for 2020 without the code; 2022–2023: Essence, Premium: O, includes C3U and SUB 20-inch polished wheels | Factory-verified |
| PCL | LPO, Luxury Package, includes chrome surround grille with Black mesh insert (RZ9) and molded assist steps (VXW) | 2023 | Essence, Premium: O; dealer-installed | Factory-verified |
| PCX | LPO, Hit the Road Package, includes molded assist steps (VXW) and roof rack cross rails (VLL) | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| PDD | Buick Driver Confidence Plus Package, includes lane keep assist with lane departure warning, lane change alert with side blind zone alert, following distance indicator, forward collision alert, rear cross-traffic alert, front pedestrian braking, IntelliBeam auto high beam, front and rear park assist and automatic emergency braking | 2021–2023 | 2021: GM Authority's 2021 pages; replaces BGP; 2022–2023: all trims: S, replacing B26 on Essence; the 2023 guide names it Enhanced Buick Driver Confidence; 2022: certain vehicles built from December 20, 2021 are forced to 00Z, removing front and rear park assist; 2023: forced to 00Z from the start of production | Factory-verified |
| LPO, Floor Liner Package, includes first and second row all-weather floor liners (RIA), third row all-weather floor liner (RIB) and integrated cargo liner (CAV) | 2022–2023 | all trims: O; dealer-installed | Factory-verified | |
| PDG | LPO, Cargo Package, includes cargo security shade (VRS) and vertical cargo net (W2D) | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| PDH | LPO, Buick Interior Protection Package, includes first and second row all-weather floor mats (VAV), third row all-weather floor mats (VKN) and all-weather cargo mat (VLI) | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| PDW | Sun and Sights Package | 2021 | only in: Premium; GM Authority's 2020 changes page gives its content (20-inch polished wheels, power-sliding moonroof, navigation) without the code; replaced by PCJ for 2022; 2021: GM Authority's 2022 changes page | Confirmed |
| PDX | Adaptive Cruise and Wheel Package, includes adaptive cruise control (KSG), enhanced automatic emergency braking (UGN) and 20 inch polished aluminum wheels (SUB) | 2022–2023 | Premium: O | Factory-verified |
| PDY | LPO, Roadside Safety Package, includes first aid kit (RYT) and highway safety kit (S08) | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| PEB | Sound and Sights Package, includes Buick Infotainment System with navigation (IOU), Bose premium 10-speaker system (UQA) and 120-volt power outlet (KI6) | 2022–2023 | Essence: O; the guides spell it Sound and Sites | Factory-verified |
| PQA | Technology Package, includes adaptive cruise control (KSG), enhanced automatic emergency braking (UGN), rear camera mirror (DRZ), HD surround vision (UV2) and rear pedestrian alert (UKK) | 2022–2023 | 2022–2023: Essence: O; GM's truck lists use PQA for a wheel, another meaning | Factory-verified |
| V92 | Trailering Package, 5000 lbs., includes heavy-duty engine cooling system (V08) and trailer hitch | 2018, 2022–2024 | 2018: Essence, Avenir: O; Premium: O, included with PCJ; not on base (GM order guide via GM Authority); 2022–2023: all trims: O, includes V08 cooling, CTT hitch guidance and PZ8 hitch guidance with hitch view; 2024: GM Authority's 2024 specifications, available on all trims | Factory-verified |
| Equipment | ||||
| 00G | Not equipped with heated steering wheel | 2022 | Essence, Premium: O; the 2022 guide forces it on certain vehicles built from December 6, 2021 through March 27, 2022 | Factory-verified |
| 00K | Not equipped with third row 60/40 split-bench power-folding seat | 2022 | Premium: O; the 2022 guide forces it on certain vehicles built from January 31, 2022 | Factory-verified |
| 00R | Not equipped with heated rear outboard seats | 2022 | Premium, Avenir: O; the 2022 guide forces it on certain vehicles built from November 15, 2021 to February 20, 2022 | Factory-verified |
| 00V | Not equipped with driver and front passenger heated seats | 2022 | Essence, Premium: O; the 2022 guide forces it on certain vehicles built from March 14, 2022; the same guide also prints 00V for the ventilated seats deletion, another meaning | Factory-verified |
| 00V | Not equipped with driver and front passenger ventilated seats | 2022 | Premium: O; the 2022 guide forces it on certain vehicles built from March 14, 2022; the same guide also prints 00V for the heated seats deletion, another meaning | Factory-verified |
| 00Z | Not equipped with front and rear park assist | 2022–2023 | all trims: O; 2022: forced on certain vehicles built from December 20, 2021; 2023: forced on certain vehicles from the start of production | Factory-verified |
| 04O | Not equipped with driver and front passenger ventilated seat cushion blower motor | 2022–2023 | Premium: O; 2022: forced on certain vehicles with KU9 built from April 4, 2022; 2023: forced from start of production; printed with a letter O, with no zero form in GM's lists | Factory-verified |
| 5ZB | LPO, center caps, bright, with bright Buick tri-shield logo | 2022 | dealer-installed; 2022: all trims: O; the 2022 guide's footnote, added 3/28/2022, says it is no longer available to order; not in the 2023 guide | Factory-verified |
| 5ZH | LPO, center caps, bright, with colored Buick tri-shield logo | 2022 | dealer-installed; 2022: all trims: O; not in the 2023 guide; GM Authority's 2022 changes page also prints 5ZH against a black rear license plate applique, but the 2022 guide's update log names that applique RXX (listed, then removed 7/26/2021), and the 2023 guide codes it RXX | Factory-verified |
| A2X | Seat adjuster, driver 8-way power | 2022–2023 | all trims: S | Factory-verified |
| A7J | Seat adjuster, front passenger 6-way power | 2022–2023 | all trims: S | Factory-verified |
| ABE | Seating, 7 passenger (2-2-3 seating configuration), includes 2nd row 40/40 captains chairs with armrests, left seat fore/aft adjustment, right seat pitch slide for 3rd row access with fore/aft adjustment and 3rd row 60/40 split bench | 2018, 2022–2023 | S on all trims | Factory-verified |
| AKO | Glass, deep-tinted | 2018, 2022–2023 | S on all trims | Factory-verified |
| AL0 | Passenger sensing system | 2018, 2022–2023 | S on all trims | Factory-verified |
| AL9 | Seat adjuster, power driver lumbar control | 2018, 2022–2023 | 2018: all trims: S; 2022–2023: Essence: S (Premium and Avenir have AVK) | Factory-verified |
| AR9 | Seats, front buckets | 2018–2020, 2022–2023 | S on all trims; 2019–2020: GM Authority interior tables | Factory-verified |
| AS8 | Seats, third row 60/40 split bench, power folding | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022: Premium: O, with some vehicles built from January 31, 2022 forced to 00K; Avenir: S; 2023: Premium, Avenir: S | Factory-verified |
| ASV | Sensor, cabin humidity | 2018, 2022–2023 | S on all trims | Factory-verified |
| AT8 | Child seat restraint system, rear facing | 2018, 2022–2023 | S on all trims | Factory-verified |
| AT9 | Seat adjuster, power passenger lumbar control | 2018, 2022–2023 | 2018: all trims: S; 2022–2023: Essence: S (Premium and Avenir have AVU) | Factory-verified |
| ATH | Keyless open | 2018, 2022–2023 | S on all trims | Factory-verified |
| AVK | Seat adjuster, driver 4-way power lumbar, with massage | 2022–2023 | Premium, Avenir: S | Factory-verified |
| AVU | Seat adjuster, front passenger 4-way power lumbar, with massage | 2022–2023 | Premium, Avenir: S | Factory-verified |
| AYQ | Air bags, frontal and side-impact for driver and front passenger, driver inboard seat-mounted side-impact and head curtain side-impact for all rows in outboard seating positions | 2018, 2022–2023 | S on all trims | Factory-verified |
| B37 | Floor mats, front and rear auxiliary, all three rows | 2022–2023 | Essence, Premium: S | Factory-verified |
| BB4 | Floor mats, all three rows, embroidered front | 2022–2023 | Avenir: S | Factory-verified |
| BTV | Remote vehicle starter system, extended range | 2018, 2022–2023 | S on all trims | Factory-verified |
| C3U | Moonroof, front power sliding, transparent glass with rear fixed skylight | 2018, 2022–2023 | 2018: Essence, Premium: O; Avenir: S; 2022–2023: Essence, Premium: O, included with PCJ; Avenir: S | Factory-verified |
| C69 | Air conditioning, rear | 2018, 2022–2023 | S on all trims | Factory-verified |
| C7H | GVWR, 6400 lbs. (2903 kg) | 2018 | only in: AWD. | Factory-verified |
| CAV | LPO, cargo liner, integrated | 2022–2023 | all trims: O; dealer-installed; 2022: only with PDF; 2023: only with PDF, and also offered separately as an LPO cargo area tray under the same code | Factory-verified |
| CE1 | Wipers, front intermittent, Rainsense | 2022–2023 | 2022–2023: Avenir: S | Factory-verified |
| CJ2 | Air conditioning, tri-zone automatic climate control, with individual climate settings for driver, right front passenger and rear seat occupants | 2018, 2022–2023 | S on all trims | Factory-verified |
| CTT | Hitch guidance | 2022–2023 | all trims: O; included with V92 | Factory-verified |
| CWA | Rear camera mirror washer | 2022–2023 | Essence: O; Premium, Avenir: S | Factory-verified |
| DD8 | Mirror, inside rearview, auto-dimming | 2018, 2022–2023 | 2018: Base, Essence, Premium: S; 2022–2023: Essence: S | Factory-verified |
| DM8 | Mirrors, outside heated power-adjustable, manual-folding and driver-side auto-dimming, body-color with integrated turn signal indicators | 2018, 2022–2023 | 2018: Base, Essence: S; 2022–2023: Essence: S | Factory-verified |
| DNP | Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming, body-color with integrated turn signal indicators and driver-side memory | 2018, 2021 | 2018: Premium, Avenir: S; 2021: Premium, Avenir, from GM Authority's 2022 changes page, which replaces it with DYX | Factory-verified |
| DRZ | Mirror, inside rearview with full camera display, includes surround vision camera (UVH) | 2018, 2022–2023 | 2018: Essence, Premium: O; Avenir: S; 2022–2023: Essence: O, included with PQA; Premium, Avenir: S | Factory-verified |
| DVZ | GVWR, 6160 lbs. (2800 kg) | 2018, 2022–2023 | 2018: only in FWD; 2022–2023: all trims, FWD and AWD: S; GM Authority's 2020 changes page gives this rating as standard on all models without the code | Factory-verified |
| DYX | Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming, body-color with integrated turn signal indicators | 2022–2023 | 2022–2023: Premium, Avenir: S; replaces DNP, with the memory recall moved to AAB (GM Authority's 2022 changes page) | Factory-verified |
| ENL | Engine control, stop-start system override | 2022–2023 | all trims: S | Factory-verified |
| F45 | Chassis, continuously variable real time damping | 2018, 2022–2023 | Avenir: O, included only with CWM; 2018: GM order guide via GM Authority | Factory-verified |
| F48 | Chassis, all-wheel drive system with driver select | 2018, 2022–2023 | only in: AWD; Essence, Premium, Avenir: S | Factory-verified |
| FE2 | Suspension, Premium Ride, 4-wheel independent | 2018, 2022–2023 | S on all trims | Factory-verified |
| FE5 | Suspension, Premium Ride, 4-wheel independent, performance | 2018, 2022–2023 | Avenir: O, included only with CWM; 2018: GM order guide via GM Authority | Factory-verified |
| FHO | Fuel capability, E10 | 2022–2023 | all trims: S | Factory-verified |
| HS1 | Safety alert seat | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S | Factory-verified |
| IO5 | Audio system, Buick Infotainment System, AM/FM stereo, SiriusXM, with 8" diagonal color touch screen, 2 USB ports inside center console, Bluetooth streaming for audio and select phones, phone integration for Apple CarPlay and Android Auto | 2018–2019 | Base, Essence, Premium: S; the guide notes it does not include U2K SiriusXM Satellite Radio; replaced by IOS for 2020, so 2019 from GM Authority's 2020 changes page | Factory-verified |
| IO6 | Audio system, Buick Infotainment System with navigation, AM/FM stereo, SiriusXM, with 8" diagonal color touch screen, 2 USB ports inside center console, auxiliary input jack, Bluetooth streaming for audio and select phones, phone integration for Apple CarPlay and Android Auto | 2018–2019 | Essence, Premium: O; Avenir: S; includes KI6 120-volt outlet; replaced by IOT for 2020, so 2019 from GM Authority's 2020 changes page | Factory-verified |
| IOS | Audio system, Buick Infotainment System, 8" diagonal touch screen, without navigation | 2020, 2022–2023 | 2020: GM Authority's 2020 changes page, Preferred, Essence, Premium: S; 2022–2023: Essence: S | Factory-verified |
| IOT | Audio system, Buick Infotainment System with navigation, 8" diagonal touch screen | 2020–2021 | 2020: Avenir: S; Essence: O, only with the Sound and Sights Package (Bose audio and 120-volt outlet); Premium: O, with the Sun and Sights or Surround and Sights Package; 2020: GM Authority's 2020 changes page; 2021: GM Authority's 2022 changes page, which replaces it with IOU | Confirmed |
| IOU | Audio system, Buick Infotainment System with navigation, 8" diagonal | 2022–2023 | 2022–2023: Essence: O; Premium, Avenir: S; replaces IOT | Factory-verified |
| J61 | Brakes, 4-wheel antilock, 4-wheel disc | 2018, 2020, 2022–2023 | 2018: only in FWD (JL9 on AWD); 2020: GM Authority's 2020 changes page, S on all models; 2022–2023: all trims, FWD and AWD: S | Factory-verified |
| JL9 | Brakes, 4-wheel antilock, 4-wheel disc | 2018 | only in: AWD. | Factory-verified |
| K05 | Engine block heater | 2018, 2022–2023 | all trims: O; 2018: GM order guide via GM Authority | Factory-verified |
| K4C | Wireless charging | 2018, 2022–2023 | 2018: Avenir: S; 2022–2023: all trims: S | Factory-verified |
| K6L | Air filter, pollutant and fine dust | 2022–2023 | 2022–2023: all trims: S | Factory-verified |
| KA1 | Seats, heated driver and front passenger | 2018, 2022–2023 | S on all trims | Factory-verified |
| KA6 | Seats, heated, second row outboard seats | 2018, 2022–2023 | Premium, Avenir: S | Factory-verified |
| KEM | Air cleaner, ionizing | 2018 | Essence, Premium, Avenir: S; GM Authority's 2021 changes page reports the ionizer dropped for 2021 without the code. | Factory-verified |
| KI3 | Steering wheel, heated | 2022–2023 | all trims: S; 2022: deleted through 00G on certain Essence and Premium vehicles | Factory-verified |
| KI6 | Power outlet, 120-volt | 2018, 2022–2023 | Essence: O; Premium, Avenir: S; 2018: only with IO6 | Factory-verified |
| KL9 | Engine control, stop-start system | 2022–2023 | 2022: all trims: S; 2023: AWD: S; FWD: O, with certain vehicles forced to NSS | Factory-verified |
| KRV | Air conditioning, refrigerant | 2018, 2022–2023 | S on all trims | Factory-verified |
| KSG | Cruise control, adaptive, full-speed with Stop/Go | 2018, 2022–2023 | 2018: Avenir: O, included only with BN2 (GM order guide via GM Authority); 2022–2023: Essence: O, in PQA; Premium: O, in PDX; Avenir: S | Factory-verified |
| KU9 | Seats, ventilated driver and front passenger | 2018, 2022–2023 | Premium, Avenir: S | Factory-verified |
| KW7 | Alternator, 170 amps | 2018, 2022–2023 | S on all trims | Factory-verified |
| N30 | Steering wheel, leather-wrapped with wood accent | 2018, 2021 | 2018: Avenir: S; 2021: Avenir: S, from GM Authority's 2022 changes page, which replaces it with NP5; GM's 2025 Cadillac list reads N30 as the Super Cruise steering wheel, so GM has reused the code. | Factory-verified |
| N38 | Steering column, power tilt and telescopic | 2018, 2022–2023 | Premium, Avenir: S | Factory-verified |
| NEB | Exhaust, dual-outlet stainless-steel with bright tips integrated in fascia | 2018 | S on all trims. | Factory-verified |
| NP5 | Steering wheel, leather-wrapped | 2018, 2022–2023 | 2018: Base, Essence, Premium: S; 2022–2023: all trims: S, replacing N30 on Avenir | Factory-verified |
| NSS | Not equipped with automatic stop/start | 2023 | only in: FWD; all trims: O; forced on certain vehicles | Factory-verified |
| NW9 | Traction control, full-range | 2018 | S on all trims. | Factory-verified |
| P0J | OnStar Fleet Safety and Security, 21 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0K | OnStar Fleet Safety and Security, 33 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0L | OnStar Fleet Safety and Security, 45 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0M | OnStar Fleet Driver Remote Access, 21 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0N | OnStar Fleet Driver Remote Access, 33 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0O | OnStar Fleet Driver Remote Access, 45 months added | 2022–2023 | all trims: O; fleet orders; printed so in the guides, ending a P0J–P0O series | Factory-verified |
| P0V | OnStar Vehicle Insights, 1 year | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0W | OnStar Vehicle Insights, 2 years | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0X | OnStar Vehicle Insights, 3 years | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0Y | OnStar Vehicle Insights, 4 years | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P0Z | OnStar Vehicle Insights, 5 years | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P1R | OnStar Assurance for Tier 3 fleets, 9 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P1S | OnStar Assurance for Tier 3 fleets, 21 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P1T | OnStar Assurance for Tier 3 fleets, 33 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| P1U | OnStar Assurance for Tier 3 fleets, 45 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| PDM | LPO, Black Accent Package, includes chrome surround grille with Black mesh insert (RZ9) and Black rear license plate applique (RXX) | 2023 | Essence, Premium: O; dealer-installed; the 2023 guide lists it as not available for ordering at publication | Factory-verified |
| PPW | Wireless Apple CarPlay and wireless Android Auto | 2022–2023 | all trims: S | Factory-verified |
| PQF | OnStar Protection service, 6 months added, fleet | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQG | OnStar Protection service, 18 months added, fleet | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQH | OnStar Protection service, 30 months added, fleet | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQI | OnStar Security service, 6 months added, fleet | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQL | OnStar Security service, 18 months added, fleet | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQM | OnStar Security service, 30 months added, fleet | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQP | OnStar Fleet Guidance service, 6 months added | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQQ | OnStar Fleet Guidance service, 18 months added | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PQT | OnStar Fleet Guidance service, 30 months added | 2018 | all trims: O; fleet orders; 2018: GM order guide via GM Authority | Factory-verified |
| PR6 | SiriusXM, 9 months added, fleet | 2018, 2022–2023 | all trims: O; fleet orders; All Access in 2018 (GM order guide via GM Authority), Platinum Plan in 2022–2023 | Factory-verified |
| PR7 | SiriusXM, 21 months added, fleet | 2018, 2022–2023 | all trims: O; fleet orders; All Access in 2018 (GM order guide via GM Authority), Platinum Plan in 2022–2023 | Factory-verified |
| PR8 | SiriusXM, 33 months added, fleet | 2018, 2022–2023 | all trims: O; fleet orders; All Access in 2018 (GM order guide via GM Authority), Platinum Plan in 2022–2023 | Factory-verified |
| PZ8 | Hitch guidance with hitch view | 2022–2023 | all trims: O; included with V92 | Factory-verified |
| Q3N | Tires, P255/55R20, all-season, blackwall | 2018, 2022–2023 | 2018: Essence, Premium: O; Avenir: S; 2022–2023: Essence, Premium: O, with the optional 20-inch wheels; Avenir: S | Factory-verified |
| Q78 | Wheels, 20 inch aluminum, machined face with Satin Graphite painted pockets | 2022 | only in: Essence, with the Sport Touring Edition (HCR); 2022: Essence: O; not in the 2023 guide, where QH5 takes its place | Factory-verified |
| Q7B | Wheels, 18 inch aluminum | 2022–2023 | 2022–2023: Essence, Premium: S | Factory-verified |
| QH5 | Wheels, 20 inch, Gloss Black | 2023–2024 | 2023: Essence: O, with the Sport Touring Edition (HCR); 2024: GM Authority's 2024 specifications, Essence | Factory-verified |
| QO6 | Tires, 255/65R18 SL, all-season, blackwall | 2018, 2022–2023 | 2018: Base, Essence, Premium: S; 2022–2023: Essence, Premium: S; GM's guides print the code with a letter O, and GM's lists have no zero form | Factory-verified |
| R7Z | OnStar Assurance for Tier 3 fleets, 57 months added | 2022–2023 | all trims: O; fleet orders | Factory-verified |
| R9M | OnStar and Connected Services Plan, 3 years | 2022–2023 | all trims: O; 2022: standard on retail orders, available on fleet and government orders; 2023: available on fleet and government orders, required on most retail orders from June production | Factory-verified |
| RDI | LPO, keyless entry keypad, 5-digit programmable, on driver-side B-pillar | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| RIA | LPO, all-weather floor liners, first and second rows | 2022–2023 | all trims: O; dealer-installed; in PDF | Factory-verified |
| RIB | LPO, all-weather floor liner, third row | 2022–2023 | all trims: O; dealer-installed; in PDF | Factory-verified |
| ROV | OnStar 4G LTE for fleet, 20GB / 12 months data plan | 2018 | all trims: O; requires UE1 and VV4 and a fleet order type; 2018: GM order guide via GM Authority | Factory-verified |
| ROW | OnStar 4G LTE for fleet, 36GB / 24 months data plan | 2018 | all trims: O; requires UE1 and VV4 and a fleet order type; 2018: GM order guide via GM Authority | Factory-verified |
| RQK | Wheels, 18 inch (45.7 cm) aluminum, painted | 2018–2019, 2021 | 2019: Preferred, Essence, Premium: S; 2021 from GM Authority's 2022 changes page, which drops it for 2022; 2019: GM Authority wheel page | Factory-verified |
| RSR | Rear seat reminder | 2022–2023 | all trims: S | Factory-verified |
| RTI | Wheel, spare, 18 x 4.5 inch (45.7 cm x 11.4 cm) steel | 2018, 2022–2023 | S on all trims | Factory-verified |
| RWU | LPO, cargo area organizer, collapsible | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| RXX | LPO, rear license plate applique, black | 2023 | Essence, Premium: O; dealer-installed; in PDM | Factory-verified |
| RYT | LPO, first aid kit, with tri-shield logo on case | 2022–2023 | all trims: O; dealer-installed; in PDY | Factory-verified |
| RZ9 | LPO, grille, chrome surround with Black mesh insert | 2023 | Essence, Premium: O; dealer-installed; in PCL and PDM | Factory-verified |
| S08 | LPO, highway safety kit, with tri-shield logo on case | 2022–2023 | all trims: O; dealer-installed; in PDY | Factory-verified |
| S1T | Wheels, 20 inch aluminum, bright machined face with Satin Graphite painted pockets | 2019, 2022–2024 | 2019: GM Authority wheel page, Preferred, Essence, Premium; 2022–2023: Essence, Premium: O, dealer-installed LPO, with SKL transit wheels and Q3N tires; 2024: GM Authority's 2024 specifications, Essence, Premium: available | Factory-verified |
| S2N | Wheels, 20 inch aluminum, Midnight Silver painted | 2019, 2022–2024 | 2019: GM Authority wheel page, Preferred, Essence, Premium; 2022–2023: Essence, Premium: O, dealer-installed LPO, with SKL transit wheels and Q3N tires; 2024: GM Authority's 2024 specifications, Essence, Premium: LPO | Factory-verified |
| S3I | LPO, puddle lamps | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| SD3 | LPO, cargo organizer, foldable | 2022–2023 | dealer-installed; 2022–2023: all trims: O | Factory-verified |
| SFE | LPO, wheel locks, 4 locks and 1 key | 2018, 2021–2023 | dealer-installed; 2018: Essence, Premium, Avenir: O (GM order guide via GM Authority); 2021 from GM Authority's 2022 changes page, which reports it dropped for 2022, though the 2022 guide lists it; 2022–2023: all trims: O; the 2023 guide makes them chrome Thatcham wheel locks | Factory-verified |
| SIF | LPO, universal tablet holders, non-powered, set of 2, for second row occupants | 2018 | Essence, Premium, Avenir: O, dealer-installed; not with SIL; 2018: GM order guide via GM Authority | Factory-verified |
| SIL | LPO, universal tablet holder, powered, with 2 integrated USB power ports, for second row occupants | 2018 | Essence, Premium, Avenir: O, dealer-installed; not with SIF; 2018: GM order guide via GM Authority | Factory-verified |
| SKL | Wheels, transit, for dealer-installed LPO wheels | 2022–2023 | included with the LPO wheels S1T, S2N and SNT | Factory-verified |
| SME | Wheels, 20 inch (50.8 cm) aluminum with premium Pearl Nickel finish | 2018–2019, 2021 | Avenir: S; 2021 from GM Authority's 2022 changes page, which replaces it with SUO for 2022; 2019: GM Authority wheel page | Factory-verified |
| SNT | LPO, wheels, 20 inch chrome | 2022–2023 | dealer-installed; 2022–2023: all trims: O, with SKL transit wheels and Q3N tires | Factory-verified |
| SPZ | LPO, wheel locks, black Thatcham, 4 locks and 1 key | 2023 | dealer-installed; 2023: all trims: O; not in the 2022 guide, whose update log removed a Thatcham wheel-lock LPO, SQU, on 7/5/2021; GM Authority's 2023 changes page calls SPZ a 2022 black lug nut and wheel lock kit replaced for 2023, which the guides do not bear out | Factory-verified |
| SQ7 | Wheels, 20 inch (50.8 cm) aluminum, polished | 2018–2019, 2021 | 2018: Premium: O, included with PCJ; Essence AWD: O; 2019: Essence, Premium (GM Authority wheel page); 2021: Premium, only with PDW or the Surround and Sights Package (GM Authority's 2021 changes page); dropped for 2022; 2018: GM order guide via GM Authority | Factory-verified |
| SUB | Wheels, 20 inch aluminum, polished | 2022–2024 | 2022–2023: Essence, Premium: O, included with PCJ; 2024: GM Authority's 2024 specifications, Essence, Premium: O | Factory-verified |
| SUO | Wheels, 20 inch aluminum, Pearl Nickel finish | 2022–2024 | Avenir: S; replaces SME; 2024: GM Authority's 2024 specifications | Factory-verified |
| T4L | Headlamps, LED, includes LED Buick Evonik signature accents with LED bi-functional projector, side marker and reflex, and LED park lamp in fascia | 2018, 2022–2023 | S on all trims | Factory-verified |
| T7E | Daytime running lamps, LED | 2018, 2022–2023 | S on all trims | Factory-verified |
| TC2 | Liftgate, power, hands free with projected logo (Buick tri-shield) | 2018, 2022–2023 | S on all trims | Factory-verified |
| TDM | Teen Driver | 2022–2023 | all trims: S | Factory-verified |
| TQ5 | Headlamp control, IntelliBeam auto high beam | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S, in PDD; not with CWM on the Avenir | Factory-verified |
| U05 | Horn, dual-note | 2018, 2022–2023 | S on all trims | Factory-verified |
| U2K | SiriusXM Satellite Radio, with trial subscription | 2018, 2022–2023 | 2018: Essence, Premium, Avenir: S, 3-month All Access trial (the fleet page; GM's June 2017 order guide via GM Authority gives 12 months); 2022–2023: all trims: S, SiriusXM with 360L and a Platinum Plan trial | Factory-verified |
| U2L | Radio, HD | 2018 | Premium, Avenir: S. | Factory-verified |
| U80 | Compass display, located in the driver information center | 2018, 2022–2023 | S on all trims | Factory-verified |
| UD5 | Front and rear park assist | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S, in PDD, replacing UD7 on Essence; 2022: certain vehicles built from December 20, 2021 are forced to 00Z, which removes it; 2023: forced to 00Z from the start of production | Factory-verified |
| UD7 | Rear park assist, ultrasonic with audible warning | 2018, 2021 | 2018: Base, Essence: S; 2021: Essence, from GM Authority's 2022 changes page, which replaces it with UD5 | Factory-verified |
| UDD | Driver information center, enhanced, 4.2" multi-color display, includes speed and trip odometer, fuel economy and range, oil life, tire pressure, battery voltage and timer | 2018, 2022–2023 | 2018: Base, Essence, Premium: S; 2022–2023: Essence: S | Factory-verified |
| UE1 | OnStar and Buick connected services capable | 2018, 2022–2023 | S on all trims; the guide gives this code for retail sales from 5/1/2018 and, for sales through 4/30/2018, as the OnStar Guidance Plan limited trial service | Factory-verified |
| UE4 | Following distance indicator | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S, in PDD | Factory-verified |
| UEU | Forward collision alert | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S, in PDD | Factory-verified |
| UFG | Rear cross-traffic alert | 2018, 2022–2023 | 2018: Essence, Premium, Avenir: S; 2022–2023: all trims: S, in PDD | Factory-verified |
| UG1 | Universal home remote, includes garage door opener, 3-channel programmable | 2018, 2022–2023 | S on all trims | Factory-verified |
| UGN | Front automatic braking, vehicle forward movement, with brake pre-fill and Intelligent Brake | 2018, 2022–2023 | 2018: Avenir: O, included only with BN2, replacing UHY (GM order guide via GM Authority); 2022–2023: Essence: O, in PQA; Premium: O, in PDX; Avenir: S; the 2022–2023 guides call it enhanced automatic emergency braking | Factory-verified |
| UHS | Driver information center, enhanced, 8" multi-color configurable display, includes tachometer, speedometer, trip odometer, fuel level, coolant temperature, oil life monitor, battery life and compass | 2018, 2022–2023 | 2018: Avenir: S; 2022–2023: Premium, Avenir: S | Factory-verified |
| UHX | Lane keep assist with lane departure warning | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S, in PDD | Factory-verified |
| UHY | Low speed forward automatic braking | 2018, 2022–2023 | 2018: Premium, Avenir: S; replaced by UGN with the Avenir Technology Package; 2022–2023: Essence, Premium: S, in PDD, named automatic emergency braking; replaced by UGN with PQA or PDX | Factory-verified |
| UJM | Tire pressure monitoring system, includes tire fill alert | 2018 | S on all trims. | Factory-verified |
| UKC | Lane change alert with side blind zone alert | 2018, 2022–2023 | 2018: Essence, Premium, Avenir: S; 2022–2023: all trims: S, in PDD | Factory-verified |
| UKJ | Pedestrian detection, front | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: all trims: S, in PDD, named front pedestrian braking | Factory-verified |
| UKK | Rear pedestrian alert | 2022–2023 | 2022–2023: Essence: O, in PQA; Premium, Avenir: S | Factory-verified |
| UQA | Audio system feature, Bose performance-enhanced premium 10-speaker system with amplifier and subwoofer | 2018, 2022–2023 | 2018: Premium, Avenir: S; 2022–2023: Essence: O, in PEB; Premium, Avenir: S | Factory-verified |
| UQF | Audio system feature, 6-speaker system | 2018, 2022–2023 | 2018: Base, Essence: S; 2022–2023: Essence: S | Factory-verified |
| URC | Interactive drive control system, includes stability control button and AWD button | 2018, 2022–2023 | S on all trims; includes tow/haul button with V92 trailering package (2018); the 2022–2023 guides call it Driver Mode Selector | Factory-verified |
| UV2 | HD surround vision | 2022–2023 | 2022–2023: Essence: O, in PQA; Premium, Avenir: S | Factory-verified |
| UV6 | Head-up display | 2022–2023 | 2022–2023: Premium, Avenir: S | Factory-verified |
| UVB | HD rear vision camera | 2022–2023 | Essence: S | Factory-verified |
| UVD | Steering wheel, heated | 2018 | Premium, Avenir: S. | Factory-verified |
| UVH | Surround vision, bird's eye view, includes front, side and rear vision cameras | 2018 | Essence, Premium: O; Avenir: S; only with DRZ. | Factory-verified |
| UWN | Headlamps, enhanced Avenir design | 2022–2023 | only in: Avenir; 2022–2023: Avenir: O, included with CWM; GM Authority's 2022 article says the lens design differs while the LED function is the same as T4L | Factory-verified |
| V08 | Cooling system, heavy-duty | 2018, 2022–2023 | included only with V92 (all trims where V92 is offered); 2018: GM order guide via GM Authority | Factory-verified |
| V33 | Tool kit, road emergency | 2018, 2022–2023 | S on all trims | Factory-verified |
| V8P | Roof rails, bright aluminized, integrated | 2018, 2022–2023 | S on all trims | Factory-verified |
| VAV | LPO, all-weather floor mats, first and second rows | 2022–2023 | all trims: O; dealer-installed; in PDH | Factory-verified |
| VK3 | License plate bracket, front mounting package | 2018, 2022–2023 | all trims: O; forced for states requiring a front plate; 2018: GM order guide via GM Authority | Factory-verified |
| VKN | LPO, all-weather floor mats, third row | 2022–2023 | all trims: O; dealer-installed; in PDH | Factory-verified |
| VLI | LPO, all-weather cargo mat | 2022–2023 | all trims: O; dealer-installed; in PDH | Factory-verified |
| VLL | LPO, roof rack cross rails | 2022–2023 | all trims: O; dealer-installed; in PCX | Factory-verified |
| VRS | LPO, cargo security shade | 2022–2023 | all trims: O; dealer-installed; in PDG | Factory-verified |
| VRV | LPO, splash guards, front and rear, painted | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| VTI | Grille shutter, active, upper | 2019 | only in: Avenir; not with the Avenir Technology Package; dropped for 2020; 2019: GM Authority's 2020 changes page | Confirmed |
| VV4 | Buick 4G LTE with available built-in Wi-Fi hotspot, data trial for 1 month or 3GB | 2018, 2022–2023 | S on all trims; the guide gives this code for retail sales from 5/1/2018 and, for sales through 4/30/2018, as OnStar 4G LTE with a 3-month or 3GB trial | Factory-verified |
| VXW | LPO, molded assist steps, painted | 2022–2023 | all trims: O; dealer-installed | Factory-verified |
| W2D | LPO, cargo net, vertical | 2022–2023 | all trims: O; dealer-installed; in PDG | Factory-verified |
| WH6 | LPO, cargo net, horizontal, for use with the third row folded flat | 2018 | Essence, Premium, Avenir: O, dealer-installed; 2018: GM order guide via GM Authority | Factory-verified |
| WMI | Grille, front shutters, active upper and lower | 2018–2019 | S on all trims; GM's June 2017 order guide (GM Authority) says not with the Avenir Technology Package; 2019: S on all models, from GM Authority's 2020 changes page, which drops it for 2020 | Factory-verified |
| ZCD | Tire, compact spare, T135/70R18, blackwall | 2018, 2022–2023 | S on all trims | Factory-verified |
| Paint | ||||
| G1W | Paint, White Frost Tricoat | 2018–2020, 2022–2024 | premium paint; 2018: not on base (GM order guide via GM Authority); 2019–2020, 2024: GM Authority; 2022–2023: Essence, Premium, Avenir; GM Authority names it without the code for 2021 | Factory-verified |
| G2X | Paint, Havana Metallic | 2018–2019 | premium paint; not on base (2018) or Avenir; dropped for 2020; 2018: GM order guide via GM Authority; 2019: GM Authority | Factory-verified |
| G6N | Paint, Sage Metallic | 2022–2024 | 2022–2023: Essence, Premium, Avenir; 2024: GM Authority, premium paint on Essence and Premium, no charge on Avenir | Factory-verified |
| G9K | Paint, Satin Steel Metallic | 2018–2021 | premium paint; 2018: not on base; no charge on Avenir from 2019; dropped for 2022; 2018: GM order guide via GM Authority; 2019–2020: GM Authority color tables; 2021: GM Authority's article on the three colors dropped for 2022 and its 2022 changes page | Factory-verified |
| GA0 | Paint, Emperor Blue Metallic | 2022–2024 | 2022–2023: Essence, Premium, Avenir; 2024: GM Authority, premium paint on Essence and Premium, no charge on Avenir | Factory-verified |
| GAN | Paint, Quicksilver Metallic | 2018–2020, 2022 | premium paint; not on Avenir in 2018–2020; 2022: Essence, Premium, Avenir; not in the 2023 guide; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020: GM Authority color tables | Factory-verified |
| GAZ | Paint, Summit White | 2018–2020, 2022–2024 | not on Avenir; 2022–2023: Essence, Premium; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020, 2024: GM Authority | Factory-verified |
| GB8 | Paint, Ebony Twilight Metallic | 2018–2020, 2022–2024 | premium paint; no charge on Avenir from 2019; GM Authority's 2019 and 2020 color tables print GB9 with the same touch-up number (WA-384A), likely a typo: GM's own factory lists use GB9 for another meaning (Label, Limited – Consignment – Delete); 2022–2023: Essence, Premium, Avenir; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020, 2024: GM Authority | Factory-verified |
| GCG | Paint, Champagne Gold Metallic | 2020 | premium paint; not with the Dark Galvanized interior; dropped for 2021; 2020: GM Authority's 2020 color table and first-look article (its 2020 Enclave page, read with each code on the line before the item it belongs to, agrees) | Confirmed |
| GGA | Paint, Black Cherry Metallic | 2018–2019 | premium paint; not on base, Preferred or Avenir; dropped for 2020; 2018: GM order guide via GM Authority; 2019: GM Authority | Factory-verified |
| GLR | Paint, Rich Garnet Metallic | 2020, 2022–2024 | only in: Avenir; 2020: GM Authority's 2020 color table and first-look article (its 2020 Enclave page, read with each code on the line before the item it belongs to, agrees); 2022–2023: Avenir; 2024: GM Authority; GM Authority names it without the code for 2021 | Factory-verified |
| GLU | Paint, Dark Moon Blue Metallic | 2020 | premium paint; not on Avenir; dropped for 2021; 2020: GM Authority's 2020 color table and first-look article (its 2020 Enclave page, read with each code on the line before the item it belongs to, agrees) | Confirmed |
| GMU | Paint, Pepperdust Metallic | 2018–2019 | premium paint; not on base; not with the Brandy interior; dropped for 2020; 2018: GM order guide via GM Authority; 2019: GM Authority | Factory-verified |
| GNT | Paint, Cherry Red Tintcoat | 2023–2024 | premium paint; not on Avenir; 2023: Essence, Premium; touch-up WA-170H; same paint name as the 2022 GSK (touch-up WA-252F); 2024: GM Authority | Factory-verified |
| GPA | Paint, Dark Slate Metallic | 2018–2021 | premium paint; 2018: not on base; no charge on Avenir from 2019; dropped for 2022; 2018: GM order guide via GM Authority; 2019–2020: GM Authority color tables; 2021: GM Authority's article on the three colors dropped for 2022 and its 2022 changes page | Factory-verified |
| GPJ | Paint, Red Quartz Tintcoat | 2018–2021 | premium paint; not on base (2018) or Avenir; dropped for 2022; 2018: GM order guide via GM Authority; 2019–2020: GM Authority color tables; 2021: GM Authority's article on the three colors dropped for 2022 and its 2022 changes page | Factory-verified |
| GSK | Paint, Cherry Red Tintcoat | 2022 | premium paint; not on Avenir; 2022: Essence, Premium; touch-up WA-252F; the 2023 guide gives the same paint name the code GNT with touch-up WA-170H | Factory-verified |
| GXD | Paint, Moonstone Gray Metallic | 2023–2024 | 2023: Essence, Premium, Avenir; replaces GAN; 2024: GM Authority, premium paint on Essence and Premium, no charge on Avenir | Factory-verified |
| Interior Trim | ||||
| H1Y | Interior trim, Ebony with Ebony accents, perforated leather | 2019–2020 | only in: Avenir; added for 2019; GM Authority names it without the code for 2021; 2019–2020: GM Authority | Confirmed |
| H2U | Interior trim, Ebony with Ebony accents, perforated leather | 2022–2024 | only in: Avenir; 2024: GM Authority; H1Y was the Avenir's Ebony interior in 2019–2020 | Factory-verified |
| H8X | Interior trim, Shale with Ebony accents, perforated leather | 2018–2020 | Essence, Premium; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020: GM Authority | Factory-verified |
| HGF | Interior trim, Whisper Beige with Ebony accents, perforated leather | 2022–2024 | only in: Avenir; 2024: GM Authority | Factory-verified |
| HHH | Interior trim, Chestnut with Ebony accents, perforated leather | 2018–2020 | only in: Avenir; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020: GM Authority | Factory-verified |
| HI9 | Interior trim, Brandy with Ebony accents, perforated leather | 2018–2020 | Essence, Premium; 2020 disputed: GM Authority's 2020 interior and exterior color tables and its three 2020 first-look articles still list Brandy (HI9 in the interior table), while its 2020 changes page and 2020 Enclave page drop Brandy for 2020; 2018: GM order guide via GM Authority; 2019: GM Authority | Disputed |
| HK8 | Interior trim, Dark Galvanized with Ebony accents, cloth | 2019–2020 | only in: Preferred; 2019–2020: GM Authority | Confirmed |
| HKE | Interior trim, Dark Galvanized with Ebony accents, perforated leather | 2018–2020, 2022–2024 | Essence, Premium; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020, 2024: GM Authority | Factory-verified |
| HNC | Interior trim, Whisper Beige with Ebony accents, perforated leather | 2022–2024 | Essence, Premium; 2024: GM Authority | Factory-verified |
| HS5 | Interior trim, Dark Galvanized with Ebony accents, cloth | 2018 | only in: base Enclave (1SV); 2018: GM order guide via GM Authority | Factory-verified |
| Internal / Process | ||||
| FE9 internal | Emissions, federal requirements | 2018, 2022–2023 | ; all trims: O; 2018: GM order guide via GM Authority | Factory-verified |
| NB8 internal | Emissions override, California | 2018, 2022–2023 | ; all trims: O; lets a dealer in a California-emissions state order federal emissions for a federal-state registration; requires FE9; 2018: GM order guide via GM Authority | Factory-verified |
| NB9 internal | Emissions override, state-specific | 2018, 2022–2023 | ; all trims: O; swaps YF5 and NE1 emissions between those states; 2018: GM order guide via GM Authority | Factory-verified |
| NC7 internal | Emissions override, federal | 2018, 2022–2023 | ; all trims: O; requires YF5 or NE1; 2018: GM order guide via GM Authority | Factory-verified |
| NE1 internal | Emissions, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington requirements | 2018, 2022–2023 | ; all trims: O; 2018: GM order guide via GM Authority | Factory-verified |
| NE8 internal | Emissions, evaporative system, level 3 | 2018, 2022–2023 | S on all trims; | Factory-verified |
| NUB internal | Emissions, California | 2018, 2022–2023 | ; included only with NE1 or YF5; 2018: GM order guide via GM Authority | Factory-verified |
| R9Y internal | Fleet free maintenance credit | 2018, 2022 | ; all trims: O; fleet and government order types only; 2018: GM order guide via GM Authority; not in the 2023 guide | Factory-verified |
| XL8 internal | Frequency rating, 433 MHz | 2018 | ; S on all trims; 2018: GM order guide via GM Authority | Factory-verified |
| YF5 internal | Emissions, California requirements | 2018, 2022–2023 | ; all trims: O; 2018: GM order guide via GM Authority | Factory-verified |
Source document: buick/enclave-c1xx.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.