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 Callin ...

Ejecting a Disc
DVD (Eject): Press and release to eject the disc currently playing in the top slot. A beep sounds and Ejecting Disc displays. If loading and reading of a disc cannot be completed, due to unknown for ...

Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is started. ...