DVD Display Error Messages
The DVD display error message depends on which radio the vehicle has. The video screen may display one of the following:
Disc Load/Eject Error or Mechanical Error: There are disc load or eject problems.
Disc Format Error or Unknown Format: The disc is inserted with the disc label wrong side up, or the disc is damaged.
Disc Region Error or Disc Error:
The disc is not from a correct region.
No Disc Inserted: No disc is
present when the 
or MEM/DVD/AUX button is pressed on the radio.
See also:
Selecting a Band
Press the RADIO/BAND button to
choose AM, FM, or XM, if equipped.
The last station that was playing
starts playing again. ...
OnStar Mobile App
With an iPhone® or
Android™-based mobile device, an
OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc
Service Bulletins
Service Bulletins ...