Vehicle Care

See also:

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 ...

Leaving After Parking on a Hill
1. Apply and hold the brake pedal while you: - Start the engine. - Shift into a gear. - Release the parking brake. 2. Let up on the brake pedal. 3. Drive slowly until the trailer is clear of ...

Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it. But if a safety belt is not long enough, your dealer will order you an extender. When you go in to order it, take the h ...