OnStar

See also:

Power Liftgate Operation
On vehicles with a power liftgate, the switch is on the overhead console. The vehicle must be in P (Park) to use the power feature. The taillamps will flash and a chime will sound when the power li ...

Sound Menu
(Sound): Press this key or press CONFIG to access the Sound menu to adjust the treble, midrange, bass, fade, balance, and Digital Signal Processing (DSP). The system automatically stores audio ...

Navigation Control Buttons
The following control buttons are located on the navigation system: (Power/Volume): 1. Press to turn the system on and off. 2. Turn to increase or decrease the volume to the audio system. 3. Pres ...