GMC 2008 Envoy - Manual (Page 233)

DVD Messages
The following errors can display on the video screen:
Disc Format Error: This message displays if a disc is
inserted upside down, if the disc is not readable, or
if the format is not compatible with the DVD player.
Load/Eject Error: This message displays if the disc is
not properly loaded or ejected.
Disc Play Error: This message displays if the DVD
player cannot play the disc. Scratched or damaged discs
cause this error.
Region Code Error: This message displays if the
region code of the DVD is not compatible with the region
code of the DVD player.
No Disc: This message displays if any of the buttons
on the DVD faceplate or remote control are pressed and
no disc is present in the DVD player.
DVD Distortion
There can be an experience with audio distortion in the
wireless headphones when operating cellular phones,
scanners, CB radios, Global Positioning Systems (GPS)*,
two-way radios, mobile fax, or walkie talkies.
It might be necessary to turn off the DVD player when
operating one of these devices in or near the vehicle.
* Excludes the OnStar ® System.
Cleaning the Video Screen
Use isopropyl or rubbing alcohol on a clean cloth and
gently wipe the video screen. Do not spray directly onto
the screen and do not press too hard or too long on
the video screen.
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