GMC Sierra Quiz
Instruments and Controls

Starting the Vehicle Messages

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

FAST IDLE ON

If your vehicle has this feature, this message displays when the fast idle feature is on. See Fast Idle System on page 9‑31 for more information.

Test yourself

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