See also:

CD Messages
CHECK DISC: If an error message displays and/or the CD comes out, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. ...

Gate Ajar Light
If this light comes on, the liftgate or liftglass is not completely shut. Close the liftgate or liftglass. Never drive with the liftgate or liftglass even partially open. ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...