Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Error Messages
If Disc Read Error displays and/or the disc comes out, it could be for one of
the following reasons:
The disc has an invalid or unknown format.
The disc is not from a correct region.
The dis ...
Front Fog Lamps
For vehicles with front fog lamps, the button is located on the outboard side
of the instrument panel.
The ignition must be on to turn on the fog lamps.
(Front Fog Lamps): Press to turn
the f ...
Display Settings
Press the Config button on the
Home Page or the CONFIG button
on the faceplate, then select Display
Settings from the list.
The following options may display:
Dimming Mode: Press to change
t ...