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:

    Keyless Unlock
    If the vehicle has the keyless access system, this feature allows you to select which doors will automatically unlock when you approach the vehicle with the keyless access transmitter and ...

    Remote Keyless Entry (RKE) System Operation
    The Remote Keyless Entry (RKE) transmitter functions will work up to 60m (195 ft) away from the vehicle. Keep in mind that other conditions, such as those previously stated, can impact the perfor ...

    Remote Start Auto Seat Cool
    When on, this feature will turn the vented seats on when using remote start on warm days. Press the MENU/SELECT knob when Remote Start Auto Seat Cool is highlighted. Turn the knob to select On or ...