OnStar Services

See also:

Calling for Service
When calling Roadside Service, have the following information ready: - Your name, home address, and home telephone number. - Telephone number of your location. - Location of the vehicle. - ...

Anti-theft Alarm System Messages
THEFT ATTEMPTED This message displays if the vehicle detects a tamper condition. ...

Wagon
To lower one or both of the rear seatbacks: 1. Pull on the lever, on the top outboard side of the seatback, to unlock the seatback. 2. Fold the seatback down. To return a seatback to the up ...