Visors, driver and front passenger, illuminated sliding vanity mirrors

Years 2015–17, 2019, 2021–27 Models 3 Factory citations 13

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Also documented for Cadillac Chevrolet

Documented applications

Canyon — Second generation (GMT31XX) (2015–2022)

2015–2017, 2019, 2021–2022 Factory-verified

2015–2016: SLE, SLT: S; SL, Canyon: not offered; 2021: Elevation, AT4, Denali: S; Elevation Standard: not offered

GM factory document — 2015 gmc canyon fleet order guide wayback, p.2.
GM factory document — 2016 gmc canyon fleet order guide wayback, p.5.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.9.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.10.
GM factory document — 2021 gmc canyon fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.10.

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

2023–2027 Factory-verified

2025: Elevation: O; AT4, Denali: included in a package; 2026–2027: Elevation: O; AT4, AT4X, Denali: included in a package

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.10.
GM factory document — 2024 gmc 24 canyon electrical body builder manual 2023oct04, p.11.
GM factory document — 2025 gmc canyon fleet order guide, p.10.
GM factory document — 2026 gmc canyon fleet order guide, p.13.
GM factory document — 2027 gmc canyon fleet order guide, p.13.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro, Elevation 3VL: not offered; Elevation 3SB: O; AT4, 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.

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