LPO, auxiliary off-road lights

Years 2023–27 Models 2 Factory citations 7

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Also described as LPO, A-pillar off-road lights

Also documented for GMC

Documented applications

Colorado — Third generation (2023–2027)

2023–2027 Factory-verified

Trail Boss, Z71, ZR2: O; WT, LT: not offered

GM factory document — 2023 chevrolet 23colorado electrical body builder, p.12.
GM factory document — 2024 chevrolet 24colorado electrical body builder manual 18272478 2023oct09, p.13.
GM factory document — 2025 chevrolet colorado fleet order guide, p.43.
GM factory document — 2026 chevrolet colorado fleet order guide, p.48.
GM factory document — 2027 chevrolet colorado fleet order guide, p.48.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.63.

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