See also:

Ending a Call
Press to end a call. ...

MP3 CD-R or CD-RW Disc
The radio may have MP3 capability. With this feature, the radio plays MP3 files that were recorded on a CD-R or CD-RW disc. Song title, artist name, and album can display when files are recorded ...

Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Press and request a vehicle ...