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 the v ...

Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers and braking, which helps the passenger sensing system maintain the passenger airbag status. See “Safety Belt ...

Exterior Lighting
The exterior lamp control is located on the instrument panel on the outboard side of the steering wheel. Turn the control to the following positions: : Turns off the exterior lamps. The kn ...