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:

    Services Not Included in Roadside Service
    - Impound towing caused by violation of any laws. - Legal fines. - Mounting, dismounting, or changing of snow tires, chains, or other traction devices. - Towing or services for vehicles dri ...

    Selective Ride Control
    The vehicle may have a ride control system called Selective Ride Control. The setting can be changed at any time. Based on road conditions, steering wheel angle, and the vehicle speed, the system au ...

    Clock
    The analog clock is not connected with any other vehicle system and runs by itself. To adjust the clock, do the following: 1. Locate the adjustment button, near the lower left corner of the clock. ...