OnStar Services

See also:

If Steam Is Coming From Your Engine
CAUTION: Steam from an overheated engine can burn you badly, even if you just open the hood.Stay away from the engine if you see or hear steam coming from it. Just turn it off and get everyone ...

Wiper Activated Headlamps
This feature activates the headlamps and parking lamps after the windshield wipers are turned on and have completed eight wipe cycles within four minutes. When the ignition is turned to LOCK/OFF, ...

Transmission Messages
SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P (Park). ...