See also:

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle&# ...

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 ...