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:

    Transmission Temperature
    Press the trip/fuel button until TRANS TEMP displays. This display shows the temperature of the automatic transmission fluid in either degrees Celsius (°C) or degrees Fahrenheit (°F). ...

    Exterior Mirrors
    Exterior Mirrors Vehicles with outside power mirrors and foldaway mirrors have controls located on the driver door. 1. Press (A) or (B) to select the driver or passenger side mirror. 2. Press t ...

    Turn&-by&-Turn Navigation
    1. Push to connect to a live Advisor. 2. Request directions. 3. Directions are downloaded to the vehicle. 4. Follow the voice-guided commands. ...