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:

    Reporting Safety Defects
    Reporting Safety Defects to the United States Government If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the Nati ...

    Vehicle Overview
    The 2011 GMC Yukon is the middle child among GM's full-size SUVs. Based on price and equipment, the Yukon sits squarely between the Chevrolet Tahoe and Cadillac Escalade. Four-wheel drive is avail ...

    Storing Radio Stations
    Drivers are encouraged to store the radio station while the vehicle is parked; see Defensive Driving on page 9‑3. Tune to stored radio stations using the presets, favorites button, and steering ...