GMC Sierra Quiz
Instruments and Controls

Clock

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

AM-FM Radio and AM-FM Radio with CD Player

To set the clock:

1. Turn the ignition key to ACC/ ACCESSORY or ON/RUN, then press the GMS Sierra: Clock. 2. Press the button until the hour numbers begin to flash, then turn the knob to increase or decrease the hour. button to turn the radio on.

Test yourself

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