OnStar

See also:

Lock Doors
Press the customization button until LOCK DOORS: IN GEAR appears in the display. To select your preference for automatic locking, press the select button while LOCK DOORS: IN GEAR is displayed on ...

RELEASE PARK BRAKE
This message is displayed if the electric parking brake is on while the vehicle is in motion. Release it before you attempt to drive. See Parking Brake for more information. ...

Rear Window Defogger
The rear window defogger uses a warming grid to remove fog from the rear window. (Rear): Press this button to turn the rear window defogger on or off. An indicator light in the button will co ...