Accessories and Modifications
Doing Your Own Service WorkHeadlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer):
Push the turn signal lever away from you and release to turn the high beams on.
To return to low beams, push the lever again or pull it toward you and release.
This indicator light turns on in the instrument cluster when the high-beam headlamps
are on. ...
Maps
This section includes basic information about the map database.
The data is stored in the internal flash memory that is used in the navigation
system.
Detailed Areas
Road network attributes are contained in the map database for detailed areas.
Attributes include information such as street nam ...
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 give additional technical service information needed to knowledgeably
service General Motors c ...