OnStar

See also:

Rear Seats
The vehicle's rear seats have head restraints in the outboard seating positions, but they are not adjustable. Rear outboard head restraints are not designed to be removed. ...

ALL WHEEL DRIVE OFF
If the vehicle has the All-Wheel Drive (AWD) system, this message displays when there is a temporary condition making the AWD system unavailable. The vehicle will run in 2WD. This could be c ...

Roadside Service (U.S. and Canada)
U.S.: 1-800-224-1400 Canada: 1-800-882-1112. Text Telephone (TTY) Users (U.S. Only): 1-888-889-2438. Service is available 24 hours a day, 365 days a year. Calling for Service When callin ...