GMC Sierra Quiz
Instruments and Controls

Security Light

In this manual: Instruments and Controls
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
GMS Sierra: Security Light. The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer.

Test yourself

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