DVD Error Messages
Player Error: This message displays when there are disc load or eject problems.
Disc Format Error: This message displays if the disc is inserted with the disc label wrong side up, or if the disc is damaged.
Disc Region Error: This message displays if the disc is not from a correct region.
No Disc Inserted: This message displays if no disc is present when 
DVD or DVD/CD/AUX is pressed on the radio.
See also:
Rocking the Vehicle to Get it Out
Turn the steering wheel left and right to clear the area around the front wheels.
Turn off any traction system. Shift back and forth between R (Reverse) and a forward
gear, spinning the wheels as ...
Using Universal Remote
Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...
Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this. ...