TTY Users
OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle.
The available dealer–installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn–by–Turn Navigation.
See also:
Rear Window Defogger
The rear window defogger uses a warming grid to remove fog from the rear window.
(Rear Window Defogger):
Press to turn the rear window defogger on or off. It automatically turns off
after it has ...
Service Parts
Identification Label
This label, on the spare tire cover,
has the following information:
- Vehicle Identification
Number (VIN).
- Model designation.
- Paint information.
- Production options and special
equipmen ...
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...