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:

    Interior
    Manual inside rearview mirrors can be adjusted by holding in the center to move the mirror for a clearer view of behind the vehicle. Adjust the mirror to avoid glare from the headlamps behind you. ...

    Using the “Digit Dial” Command
    The digit dial command allows a phone number to be dialed by entering the digits one at a time. After each digit is entered, the system repeats back the digit it heard followed by a tone. If an unwa ...

    Checking Coolant
    The coolant surge tank is located in the engine compartment on the passenger side of the vehicle. See Engine Compartment Overview on page 10‑6 for more information on location. The vehicle must ...