See also:

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 ...

Error Messages
If Disc Read Error displays and/or the disc comes out, it could be for one of the following reasons: • The disc has an invalid or unknown format. • The disc is not from a correct region. ...

Center Console Storage
Push the button (A) to access the storage or accessory power outlet under the armrest. See Power Outlets  for more information. Some vehicles might also have input jacks for auxiliary devices ...