GMC Sierra Owners Manuals

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Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if: ○ The key is in the ignition. ○ The hood or doors are not closed. ○ The hazard warning flashers are on. ○ There is an ...

Infotainment
Read the following pages to become familiar with the audio system's features. WARNING Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you or ot ...

How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working. URPA operates only at speeds less than 8 km/h (5 mph). An obstacle ...