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:

    Calibrate Compass
    The vehicle may have this feature. The compass can be manually calibrated. To calibrate the compass through the DIC, see Compass. ...

    D-Ring Sliders
    For vehicles with a D-ring system, there are four D-ring sliders that move along rails. These can be used as tie-downs when storing cargo. Insert the D-ring sliders (A) into the channel (B) lo ...

    Bluetooth
    For vehicles equipped with Bluetooth capability, the system can interact with many cell phones, allowing: - Placement and receipt of calls in a hands-free mode. - Sharing of the cell phone’s ...