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 veh ...

OnStar Additional Information

Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owne ...

See also:

Moonroof
WARNING ► In an accident you could be thrown from the vehicle through an open moonroof. Always use seat belts and child restraints. ► Do not allow anyone to stand up or extend a ...

Using ABS
Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work. You might hear the ABS pump or motor operating and feel the brake pedal pulsate, but this is normal. ...

Lamps On Reminder
This light comes on whenever the parking lamps are on. See Exterior Lamp Controls   for more information. ...