OnStar Services

See also:

Overheated Engine Protection Operating Mode
If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. ...

Arming the System
To arm the system: 1. Open the door. 2. Lock the door with the transmitter. The security light should come on and stay on. 3. Close all doors. The security light should go off after about 3 ...

Door Locks (Sedan and Wagon)
WARNING! Unlocked doors can be dangerous. - Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open i ...