See also:

MP3 and WMA Supported Files
Format The radio can play.mp3 or .wma files that were recorded onto a CD-R or CD-RW disc. Compressed Audio or Mixed Mode Discs The radio plays discs that contain both uncompressed CD audio and MP3/ ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, ...

Remote Control
To use the remote control, aim it at the transmitter window at either seatback console and press the button. Direct sunlight or very bright light could affect the ability of the RSE transmitter ...