See also:

Audio System
When using the Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the VOL/ knob during a call to change the volume level. Th ...

Ride Control System Messages
ALL WHEEL DRIVE OFF This message displays when the All-Wheel Drive (AWD) System has been turned off. See All-Wheel Drive. SERVICE ALL WHEEL DRIVE SYSTEM This message displays when there i ...

Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...