See also:

Removing a CD or DVD
Press . The disc is pushed out of the CD/DVD slot. If the disc is not removed after it is ejected, it is pulled back in after a few seconds. ...

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 ...

Display Settings
Press the Config button on the Home Page or the CONFIG button on the faceplate, then select Display Settings from the list. The following options may display: Dimming Mode: Press to change the scre ...