See also:

Maintenance Records
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipt ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Door Ajar Messages
DRIVER DOOR OPEN This message displays when the driver door is not closed completely. Close the door completely. HOOD OPEN This message displays when the hood is not closed completely. Make s ...