LED Reflective Windshield Collision Alert

Years 2023–27 Models 3 Factory citations 8

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Also described as Alert display, reflected, single colorLED reflective windshield collision alert

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

2025: Elevation, AT4: S; Denali: not offered; 2026–2027: Elevation, AT4: S; Denali, Denali Ultimate: not offered

GM factory document — 2025 gmc acadia fleet order guide, p.5.
GM factory document — 2026 gmc acadia fleet order guide, p.5.
GM factory document — 2027 gmc acadia fleet order guide, p.6.

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

2023–2024, 2026 Factory-verified

GM factory document — 2023 gmc 23canyon electrical body builder 2023march13, p.13.
GM factory document — 2024 gmc 24 canyon electrical body builder manual 2023oct04, p.13.
GM factory document — 2026 gmc canyon electrical body builder manual service manual 2026 en us, p.8.

Sierra EV — BT1 (2024–2027)

2027 Factory-verified

2027: S in 3SB, 3SC; not offered in 4SC, 4SD, 5SC, 5SD

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.4.

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