GMC Sierra Owners Manuals

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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 ...

Voice Recognition
The Bluetooth system uses voice recognition to interpret voice commands to dial phone numbers and name tags. For additional information, say “Help” while you are in a voice recognition menu. Noi ...

Dome Lamps
The dome lamps are located in the overhead console and above the rear seat passengers. The dome lamps come on when a door is opened, unless the dome lamp override button is pressed in. To manually t ...