OnStar Additional Information
IntroductionMaintenance Schedule
Owner Checks and Services
At Each Fuel Stop
• Check the engine oil level.
Once a Month
• Check the tire inflation pressures.
• Inspect the tires for wear.
• Check the windshield washer fluid level.
Engine Oil Change
When the CHANGE ENGINE OIL SOON DIC message or Code 82 DIC message dis ...
How To Indentify Plastic Parts
Plastic parts can be identified by the SAE code, which is usually found on
the rear of the part, and/or by the characteristics of the plastic.
Knowing the type of plastic aids in selecting the proper repair materials and in
selecting the proper repair procedure.
Look for the SAE code s ...
Dome Lamps
The dome lamp controls are in the headliner.
(Dome Lamp Override): Press
to turn the lamps off, even when a door is open.
(Door): Press to turn the
lamps on automatically when a door is opened.
(On): Press to turn on the
dome lamps. ...