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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.

    Source document

    docs/rpo/buick/lucerne-g-body.md

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    Rendered verbatim from the reference. Factory citations shown as ⛭ GM Heritage — …. For filtering, badges, and crosslinks, use the interactive Lucerne — G-body (2006–2011) page.

    Buick Lucerne — G-body, GM called it H (one generation) (2006–2011)

    The Lucerne was a Buick sedan, built at Detroit/Hamtramck for the 2006 to 2011 model years. GM's own option lists survive for 2006 through 2009 only, from the 3.8 L V6 and 4.6 L V8 to the 3.9 L V6 that arrived in 2009, with CX, CXL, CXS and Super packages. No factory list is in the archive for 2010 or 2011, so those two years carry no rows here; 2010 and 2011 come from the NICB VIN manuals (nicb2011-gm.txt p.24 lists the Lucerne, nicb2006-gm.txt p.20 shows the CX, CXL and CXS) and Wikipedia, which says the last car was built on June 15, 2011.

    Codes

    Engines

    Code Description Years Models/Notes Confidence
    L26 Engine, gas, 6 cylinder, 3.8L, sequential fuel injection, V6, GM 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    L36 Engine, gas, 6 cylinder, 3.8L, multiport fuel injection, V6, high output 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    L37 Engine, gas, 8 cylinder, 4.6L, multiport fuel injection, V8, high output, DOHC 2008–2009 4.6 L DOHC V8 for the Super (Wikipedia). ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    LD8 Engine, gas, 8 cylinder, 4.6L, multiport fuel injection, V8, DOHC 2006–2008 4.6 L DOHC V8. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    LGD Engine, flexible fuel (gas/ethanol), 6 cylinder, 3.9L, V6, sequential fuel injection, WT, offset bore, GMNA 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    LZ9 Engine, gas, 6 cylinder, 3.9L, sequential fuel injection, WT, V6, offset bore, GM 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed

    Transmissions

    Code Description Years Models/Notes Confidence
    M15 Transmission, automatic, 4 speed, HMD, 4T65-E, enhanced electronic 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    MH1 Transmission, automatic, 4 speed, HMD, 4T80-E, electronic converter clutch 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    MX0 Merchandised transmission, automatic provisions, overdrive 2006–2009 The lists print MXO (letter O); the code is MX0 (zero). TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed

    Axles

    Code Description Years Models/Notes Confidence
    F83 Ratio, transaxle final drive, 3.05 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    FQ3 Ratio, transaxle final drive, 2.86 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    FR2 Ratio, transaxle final drive, 2.93 2009 TriShield agrees on the meaning. ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    FV3 Ratio, transaxle final drive, 3.11 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    FV4 Ratio, transaxle final drive, 3.71 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed

    Packages & Trims

    Code Description Years Models/Notes Confidence
    WB2 Merchandised package, Lucerne CXL 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    WB4 Merchandised package, Lucerne Super Series 2009 The 2008 list has a row with no code ("TBD") for the Super package that names WB4 in parentheses; 2008 is not counted here. ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    WB7 Merchandised package, Lucerne CXS 2006–2008 The lists print the trim as "CSX". ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    WGV Appearance package, Lucerne CXL Special Edition 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    WPA Sales package, Driver Confidence 2007–2009 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    WPC Sales package, Comfort and Convenience 2007–2009 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    WPE Sales package, Entertainment 2007–2008 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    WPL Sales package, Luxury 2007–2009 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed

    Equipment

    Code Description Years Models/Notes Confidence
    A45 Memory, seat adjuster, mirror, power, driver, personalization 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    A51 Seat, front, bucket, custom 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    A80 Adjuster, front seat back, power, driver, reclining 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    A81 Adjuster, front seat back, power, passenger, reclining 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    AE8 Adjuster, front seat, power, 8-way 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AG1 Adjuster, front seat, power, multi-directional, driver 2006 disputed: the 2006 list alone reads AG1 as the passenger seat, beside AG2 with the same passenger meaning; about 300 of GM's other 2004–2009 lists read AG1 as the driver's multi-directional power seat, and TriShield's undated Buick list reads a 6-way power driver seat ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 disputed
    AG2 Adjuster, passenger seat, power, multi-directional 2006–2009 The 2006 list words it front passenger seat. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AH8 Adjuster, passenger seat, power, 8-way 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AJ7 Restraint system, inflatable, driver and passenger, front and side 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    AK5 Restraint system, seat, inflatable, driver and passenger 2006 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    AL0 Sensor indicator, inflatable restraint, front passenger/child presence detector 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AL9 Control, seat, power lumbar, driver 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    AM2 Control, seat, manual lumbar, passenger 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    AM6 Seat, front, split bench 55/45, cloth 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    AN3 Seat, front, individual (non bucket) 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AP3 Lock control, entry, remote, keyless entry start 2006–2009 The 2009 list adds a "do not use after 2009 model year" remark. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AP8 Lock control, entry, remote entry, extended range 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AP9 Net, convenience 2006, 2008–2009 The 2006 list words it cargo net, trunk. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AT8 Restraint provisions, child, rear seat, rear facing 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    AU0 Lock control, entry, remote entry 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    AY0 Restraint system, seat, inflatable, driver and passenger, front and side, roof side 2006–2009 The 2009 list words the restraint as front seat side and roof side. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    B58 Covering, floor mat, front and rear, carpeted insert 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    BAJ Ornamentation, exterior, nameplate, "Special Edition" 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    BAS Ornamentation, exterior, nameplate, "Super" 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    BF9 Covering, front floor mat 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    BZQ Ornamentation, exterior, nameplate, CXL 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    C67 HVAC system, air conditioner, front, electronic controls 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    CD2 Indicator, windshield washer fluid, included with UB7 2006 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    CE1 Wiper system, windshield, pulse, moisture sensitive 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    CF5 Roof, sunroof, glass, sliding, electric 2006–2009 The 2009 list words it "Roof-Sun". TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    CJ2 HVAC system, air conditioner, front, automatic temperature control, auxiliary temperature control 2006–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    D25 Mirror, outside, left-hand and right-hand, remote control, electric, heated, light sensitive, manual folding, turn signal indicator, color 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    D31 Mirror, inside rearview, tilt (duplicate with D36) 2006–2008 The lists mark it a duplicate of D36. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    DA0 Arm rest, front seat, storage 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    DD7 Mirror, inside rearview, light sensitive, compass 2006–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    DD8 Mirror, inside rearview, light sensitive 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    DE6 Mirror, outside, left-hand and right-hand, remote control, electric, dual folding, color 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    DE7 Mirror, outside, left-hand and right-hand, remote control, electric, heated, manual folding, turn signal indicator, color 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    DH6 Mirror, inside front vanity, left-hand and right-hand, sunshade, illuminated 2006–2009 The 2006 list words it "shade". ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    DR2 Mirror, outside, left-hand and right-hand, remote control, electric, heated, light sensitive, manual folding, color 2006–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    DR5 Mirror, outside, left-hand and right-hand, remote control, electric, heated, manual folding, color 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    F41 Suspension system, front and rear, firm ride, handling 2006–2009 The 2006 and 2009 lists word it front and rear. TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    F55 Chassis, continuously variable real time damping, magneto rheological 2006–2007, 2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    FE1 Suspension system, soft ride 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    FE3 Suspension system, sport 2006–2008 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    FE4 Suspension system, special ride and handling 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    GGC Grille, custom 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    JL4 Control, active brake 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    JL9 Brake system, power, front and rear disc, antilock front and rear wheel 2006–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    K05 Heater, engine block 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    KA1 Heater, seat, front 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    KB6 Heater, seat, cooling, front 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    KG4 Generator, 150 amp 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    KG9 Generator, 140 amp 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    N33 Steering column, tilt type 2008–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    N38 Steering column, tilt, telescoping, power 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    N73 Wheel, custom sport 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    N75 Wheel, 17 x 7, aluminum, custom 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NK4 Steering wheel, sport, leather 2006–2007 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2007 buick lucerne rpo code list, p.1 confirmed
    NK5 Steering wheel, standard 2006–2007 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2007 buick lucerne rpo code list, p.1 confirmed
    NP5 Steering wheel, leather wrapped 2006–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NR7 Steering wheel, leather wrapped, heated 2007–2009 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NSH Steering wheel, wood, heated 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NW9 Traction control, electronic 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    P31 Wheel, 18 x 7.5, aluminum, chrome 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    P49 Wheel, 18 x 7.5, aluminum, deluxe 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    PA2 Wheel, 17 x 7, aluminum, chrome 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    PG1 Wheel, 15 x 6, steel 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    PH3 Wheel, 15 x 6, aluminum cast, 115 mm bolt circle 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    PY1 Wheel, 16 x 6.5, aluminum, chrome 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    PZ3 Wheel, 18 x 7.5, aluminum, painted 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    Q9M Wheel, 18 x 7.5, aluminum, chrome, deluxe 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    QC4 Wheel, 16 x 7, aluminum, custom 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    QCH Tire, all, P235/55R17-98H BW R/PE ST TL AL3 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    QD5 Wheel, spare, compact, aluminum 2006, 2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    QJA Tire, all, P235/55R17-98S BW ST TL ALS 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    QJE Tire, all, P245/50R18-99H BW ST TL AL3 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    QN5 Wheel, spare, 16 x 4.0, steel 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    QNB Tire, all, P235/55R17-99H BW R/PE ST TL AL3 (Export) 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    QPK Tire, all, P215/70R15-97S BW, all season 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    QPX Tire, all, P225/60R16-97S BW R/PE ST TL ALS 2006–2008 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    QZ6 Wheel, 17 x 7, aluminum, chrome, flangeless 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    R4W Tire brand, all Michelin 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    RMG Molding, decklid, chrome 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    T96 Lamp, fog, front 2006–2009 The 2009 list words it front fog lamp, FMVSS. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    TUH Lamp, front turn signal, white 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    U19 Speedometer, instrument, kilometers and miles, kilometer odometer 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    U1C Radio, AM/FM stereo, seek/scan, CD, clock, ETR 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    U2E Cluster, instrument, coolant temperature, trip odometer 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    U2J Digital audio system, S-band not installed 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    U2K Digital audio system, S-band 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    U3U Radio, AM/FM stereo, seek/scan, DVD, CD, clock, ETR, navigation, voice recognition, MP3 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UA1 Battery, high capacity, wet 2006 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UA6 Theft deterrent system 2006–2009 The 2009 list adds a "do not use after 2009" remark for global programs. TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UB7 Cluster, instrument, oil, coolant temperature, volts, trip odometer, tachometer, driver information center 2006 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UBS Digital audio system, S-band and traffic 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    UC7 Cluster, instrument, coolant temperature, tachometer, fuel, speedometer, driver information center, compass 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UD7 Sensor indicator, rear parking assist 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UE0 Communication system, vehicle, GPS, not installed 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UE1 Communication system, vehicle, GPS 1 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UFL Sensor indicator, lane departure warning 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UFT Sensor indicator, side obstacle detection 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UG1 Opener, garage door, universal 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UJ2 Indicator, engine oil life, with UB7 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UJ8 Cluster, instrument, coolant temperature, tachometer, fuel, speedometer, driver information center 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UK3 Control, steering wheel, accessory 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UL2 Frequencies, European 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UN0 Radio, AM/FM stereo, seek/scan, compact disc, auto tone, clock, ETR 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UP0 Radio, AM/FM stereo, seek/scan, auto reverse music search cassette, CD, auto tone, clock, ETR 2006 TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UPF Wireless interface, short range, voice recognition 2009 ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    UQ3 Speaker system, enhanced audio 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UQA Speaker system, premium audio, branded, with amplifier 2006–2009 The 2006 list words it "Enhanced Audio". ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    US8 Radio, AM/FM stereo, seek/scan, CD, auto tone, clock, ETR, MP3, RDS 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    US9 Radio, AM/FM stereo, seek/scan, RDS, multiple compact disc, auto tone control, clock, ETR, MP3 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    UV6 Display, head up 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UV7 Antenna, windshield, rear window, radio 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UW6 Speaker system 6, dual front door tweeter and woofer, dual extended range shelf 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    UX7 Speaker system 4, dual front door mounted, dual extended range package shelf 2006 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    V22 Grille, radiator, chrome 2008–2009 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    V3L Grille, radiator, bright chrome 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    VK3 License plate, front, front mounting package 2007–2009 TriShield agrees on the meaning. ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    VP6 Noise control 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    XA7 Washer nozzles, heated, windshield 2006, 2008–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    Z49 Export, Canadian, modification, mandatory base equipment 2006–2009 ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed

    Interior Trim

    Code Description Years Models/Notes Confidence
    191 Interior trim, Ebony/Black (1) (02) 2007 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 confirmed
    193 Trim combination, leather, Ebony (3) (00) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    391 Interior trim, Light Cashmere/Cocoa (1) (07) 2007 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 confirmed
    401 Interior trim, Shale/Cocoa, mini perforated, (1) (07) 2007 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 confirmed
    831 Interior trim, Titanium (06) 2007 ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 confirmed
    IB2 Trim, interior design (B2) (99) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IB3 Trim, interior design (B3) (99) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IB4 Trim, interior design (B4) (99) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IB5 Trim, interior design (B5) (99) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IBB Trim, interior design (BB) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IK2 Trim, interior design (K2) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IK3 Trim, interior design (K3) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed
    IKB Trim, interior design (KB) 2008 ⛭ GM factory document — 2008 buick lucerne rpo code list, p.1 confirmed

    Internal / Process

    Code Description Years Models/Notes Confidence
    BAG Parts package, export 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    CV4 Country, Israel 2007–2009 internal code ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    DCP Processing, directions and connections service package 2009 internal code ⛭ GM factory document — 2009 buick lucerne rpo code list, p.1 confirmed
    DEH Plant code, Detroit/Hamtramck, MI, USA 2006, 2008 internal code plant code, Detroit/Hamtramck, Michigan; the 2006 list words it "BOC". ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2008 buick lucerne rpo code list, p.1 confirmed
    EXP Export 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    FE9 Certification, emission, federal 2006–2009 internal code emission certification, federal; the 2006 list misspells "Emision". TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    FLT Sales processing, option 2007–2009 internal code sales processing. ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NE1 Certification, emission, geographically restricted registration for vehicles up to 14,000 lbs GVW (use 2003 model year) 2006–2009 internal code emissions certification. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NF4 Emission system, clean fuel fleet 2006 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    NT7 Emission system, federal, Tier 2 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NU5 Emission system, California Bin 4 2007–2009 internal code ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    NU6 Emission system, California, PZEV 2007–2009 internal code ⛭ GM factory document — 2007 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    ORN Plant code, Orion, MI, BOC 2006 internal code plant code, Orion, Michigan. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    V73 Vehicle statement, USA/Canada 2006–2009 internal code TriShield agrees on the meaning. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    V78 Vehicle statement, delete 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    V97 Vehicle preparation, export 2006 internal code export vehicle preparation. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    VC5 Label, shipping, except US, US possessions, or Japan 2006–2009 internal code shipping label. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    VCL Certification, emission, clean fuel vehicle, fleet 2006 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    VH9 Envelope, owner information manual 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    VJ7 Label, fuel, unleaded only 2006 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 confirmed
    VR6 Hook, tie-down, shipping 2006–2009 internal code tie-down hooks for shipping. ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    VZ3 Label, mercury disposal notification 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed
    YF5 Certification, emission, California 2006–2009 internal code ⛭ GM factory document — 2006 buick lucerne rpo code list, p.1 · 2009 buick lucerne rpo code list, p.1 confirmed

    Sources

    Factory documents (T1)

    • buick/2006-buick-lucerne-rpo-code-list.txt — 2006 Buick Lucerne RPO code list (GM Service Manual Online, via gm.saturn.team)
    • buick/2007-buick-lucerne-rpo-code-list.txt — 2007 Buick Lucerne RPO code list (GM Service Manual Online, via gm.saturn.team)
    • buick/2008-buick-lucerne-rpo-code-list.txt — 2008 Buick Lucerne RPO code list (GM Service Manual Online, via gm.saturn.team)
    • buick/2009-buick-lucerne-rpo-code-list.txt — 2009 Buick Lucerne RPO code list (GM Service Manual Online, via gm.saturn.team)

    Other sources

    • GM's other RPO lists in the repository (docs/factory-docs/) were searched for AG1 to settle its disputed reading.
    • https://en.wikipedia.org/wiki/Buick_Lucerne — read 2026-10-02 (model years, Super trim, last build date)
    • https://www.trishield.com/Directory/optioncodes.shtml — read 2026-10-02 through the Wayback Machine (web.archive.org/web/2020/…): the site's own address redirected to HTTPS and the TLS connection failed. T3, undated Buick list.
    • NICB VIN manuals docs/reference/nicb/nicb2006-gm.txt p.20 (Lucerne CX, CXL, CXS), nicb2008-gm.txt p.20 (Lucerne Super Series) and nicb2011-gm.txt p.24 (T4, in the repository); the CX, CXL, CXS and Super aliases come from them