TTY Users

OnStar has the ability to communicate to the deaf, hardofhearing, or speechimpaired customers while in the vehicle.

The available dealerinstalled TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar TurnbyTurn Navigation.

    See also:

    Power Lumbar
    A. Side Bolster Control B. Lumbar Support Control C. Seatback Bolster Control To adjust the lumbar support, if equipped: - Press and hold the top of the control (B) to increase support to ...

    Styling
    The first-generation CTS set Cadillac on its current styling direction with its creased, angular shape, but the design philosophy really hit its stride with this second-generation car. Sharp edges ...

    TIRE LEARNING ACTIVE
    This message displays when the Tire Pressure Monitor System (TPMS) is re-learning the tire positions on the vehicle. The tire positions must be re-learned after rotating the tires or after ...