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:

    Ultrasonic Parking Assist
    If available, the Ultrasonic Rear Parking Assist (URPA) system uses sensors on the rear bumper to assist with parking and avoiding objects while in R (Reverse). WARNING The URPA system does n ...

    Calling for Service
    When calling Roadside Service, have the following information ready: - Your name, home address, and home telephone number. - Telephone number of your location. - Location of the vehicle. - ...

    Transferring a Call
    Audio can be transferred between the Bluetooth system and the cell phone. The cell phone must be paired and connected with the Bluetooth system before a call can be transferred. The connection pro ...