See also:

MP3 CD-R Disc MP3 Format
If you burn your own MP3 disc on a personal computer: • Make sure the MP3 files are recorded on a CD-R disc. • Do not mix standard audio and MP3 files on one disc. • Make sure playlists ...

Your Responsibility
You may need to increase the volume of your radio to hear the OnStar® advisor. If the light next to the OnStar® buttons is red, this means that your system is not functioning properly and should ...

Radio Messages
CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR displays, it means that the radio has not been configured properly for the vehicle a ...