GMC Sierra Quiz
Lighting

Auxiliary Roof-Mounted Lamp

In this manual: Lighting
Introduction — 6In Brief — 46Seats and Restraints — 48Storage — 7Instruments and Controls — 75Lighting — 22Infotainment System — 22Climate Controls — 7Driving and Operating — 77Vehicle Care — 79Service and Maintenance — 26Technical Data — 8Customer Information — 25OnStar — 25Keys, Doors, and Windows — 38
~1min read

If the vehicle has this feature, this button includes wiring provisions for a dealer or a qualified service center to install an auxiliary roof lamp.

GMS Sierra: Auxiliary Roof-Mounted Lamp. This button is located on the overhead console.

Test yourself

A quick GMC Sierra quiz: every answer comes with an explanation and a link to the manual page.