OnStar Services

See also:

Horn
To sound the horn, press the center pad on the steering wheel. ...

DVD Display Error Messages
The DVD display error message depends on which radio the vehicle has. The video screen might display one of the following: Disc Load/Eject Error: This message displays when there are disc load or eje ...

Format
The radio can play.mp3 or .wma files that were recorded onto a CD-R or CD-RW disc. The USB port can play.mp3 and .wma files stored on a USB storage device as well as AAC files that are stored on an i ...