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:

    License Plate Lamp
    1. Remove the two screws holding each of the license plate lamps to the molding that is part of the liftgate. 2. Twist and pull the license plate lamp assembly forward through the molding openi ...

    Adding Destinations to the Address Book
    There are two ways to add a destination to the address book: To add the current vehicle position to the address book, press the Mark screen button from the map screen. The system automatically ...

    Conditions in Which Remote Start Will Not Work
    The remote vehicle start feature will not operate if any of the following occur: - The ignition is in any position other than LOCK/OFF. - A keyless access transmitter is inside the vehicle. ...