GMC Sierra Quiz
In Brief

Sunroof

In this manual: In Brief
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

Extended Cab

GMS Sierra: Sunroof. On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active.

Test yourself

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