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:
Reporting Safety Defects to General Motors
In addition to notifying NHTSA
(or Transport Canada) in a situation
like this, please notify General
Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center
P.O. Box 33136
...
Compass Zone
Your dealer/retailer will set the correct zone for your
location. If the zone is not set to your location or
you drive out of the area, the variance needs to be
changed to the appropriate zone.
...
Freeway Driving
Mile for mile, freeways — also called thruways,
parkways, expressways, turnpikes, or
superhighways — are the safest of all roads.
But they have their own special rules.
The most importan ...