Glass, deep-tinted

Years 2014–20, 2022–27 Models 18 Factory citations 68

Also described as Glass, deep-tinted, rear door and rear cabGlass, deep-tinted, rear door and rear windshieldGlass, deep-tinted, rearGlass, deep-tinted (privacy)

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2017–2019 Factory-verified

2019 guide: all trims: S; all windows except the windshield and front door glass, which are light-tinted

GM factory document — 2017 gmc acadia order guide copy gm authority, p.5, p.22.
GM factory document — 2018 gmc acadia order guide copy gm authority, p.7, p.28.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.7, p.31.

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

S on all trims; printed with the letter O; GM prints no zero form; all windows except the windshield and the driver and front passenger side glass, which are light-tinted

GM factory document — 2025 gmc acadia fleet order guide, p.8.
GM factory document — 2026 gmc acadia fleet order guide, p.8.
GM factory document — 2027 gmc acadia fleet order guide, p.9.

Canyon — Third generation (VSS-T) (2023–2027)

2023–2027 Factory-verified

S on all trims

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.10.
GM factory document — 2024 gmc canyon fleet order guide wayback, p.1.
GM factory document — 2025 gmc canyon fleet order guide, p.4.
GM factory document — 2026 gmc canyon fleet order guide, p.5.
GM factory document — 2027 gmc canyon fleet order guide, p.6.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc hummer ev pickup fleet order guide, p.4.
GM factory document — 2026 gmc hummer ev pickup fleet order guide, p.5.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

GM prints a letter O here; no zero form of this code exists in GM lists.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.4.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.5.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

the rpo-code lists print only "Glass, deep-tinted"

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.5.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.8.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro: O; AT4, Elevation, AT4X, Denali, Denali Ultimate: included in the trim group

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.18.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

2018: GM's 2018 Sierra 2500HD order guide; 2019: named in the 2019 interior page's package contents or footnotes

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.3.
GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.7.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

Pro: O; SLE, SLT, AT4, AT4X, Denali, Denali Ultimate: included in the trim group

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.17.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.16.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.16.

Sierra — K2XX (2014–2019)

2014, 2016–2019 Factory-verified

GM's lists print the letter O; no zero form exists.

GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.13.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.87.
GM factory document — 2019 gmc sierra 1500 limited double cab k2xx order guide copy gm authority, p.39.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.10.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.10.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.10.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.10.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.11.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.9.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Terrain — First generation (2010–2017)

2016–2017 Factory-verified

S on all trims; all windows but the windshield and front side glass, which are light-tinted; GM prints no zero form of this code

GM factory document — 2016 gmc terrain fleet order guide wayback, p.3.
GM factory document — 2017 gmc terrain fleet order guide wayback, p.3.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

all trims: S; letter O in the code as GM prints it

GM factory document — 2019 gmc terrain order guide copy gm authority, p.7, p.37.

Terrain — Third generation (2025–2027)

2025–2027 Factory-verified

S on all trims

GM factory document — 2025 gmc next generation terrain fleet order guide, p.3.
GM factory document — 2026 gmc next generation terrain fleet order guide, p.6.
GM factory document — 2027 gmc terrain fleet order guide, p.6.

Yukon — K2XX (2015–2020)

2016–2019 Factory-verified

2016–2019: S on all trims; 2018 from GM's 2018 Yukon order guide

GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.3.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.13.
GM factory document — 2019 gmc yukon denali fleet order guide wayback, p.1.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.3.

Yukon — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.9.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.9.
GM factory document — 2025 gmc new yukon denali fleet order guide, p.7.
GM factory document — 2026 gmc yukon denali fleet order guide, p.6.
GM factory document — 2027 gmc yukon fleet order guide, p.7.

Yukon XL — K2XX (2015–2020)

2016–2017 Factory-verified

S on all trims; the lists read privacy glass

GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.3, p.5.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.4.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.13.

Yukon XL — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.9.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.9.
GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.7.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.7.
GM factory document — 2027 gmc yukon xl fleet order guide, p.7.

This page aggregates every documented appearance of AKO in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.