OnStar Services

See also:

Door Locks
WARNING Unlocked doors can be dangerous. Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The chance of being thrown out of the vehicle in a crash ...

SERVICE PARKING BRAKE
This message is displayed when there is a problem with the electric parking brake. See Parking Brake for more information. Take the vehicle to your dealer. ...

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 ow ...