Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position.
Press 
to activate the rear window lockout switch. The LED light comes on when activated.
Press again to deactivate the lockout switch.
See also:
Turning the RVC System On or Off
To turn the RVC system on or off:
1. Shift into P (Park).
2. Press MENU to enter the configure menu options. Turn the Multifunction knob until the Display feature is highlighted and press the Multif ...
Infotainment Control Buttons
The buttons on the faceplate are used to start primary functions while using
the infotainment system.
VOL/ (Volume/Power):
1. Press to turn the system on and off.
2. Turn to adjust the volume.
...
Customer Satisfaction Procedure (U.S. and Canada)
Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or ser ...