OnStar Services

See also:

Adjusting the Brightness and Contrast of the Screen
To adjust the brightness and contrast of the screen, press the MENU button while the RVC image is on the display. Any adjustments made will only affect the RVC screen. (Brightness): Touch the + (plu ...

Engine Power Messages
ENGINE POWER IS REDUCED This message displays and a chime may sound when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overh ...

CD Player Messages
CHECK DISC: If this message displays and/or the CD ejects, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. • The road ...