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:

    Going & Stopping
    Again with the comparison, but the Escalade and Yukon Denali I tested have the exact same 6.2-liter V-8, yet they felt worlds apart. Sure, the Escalade is tuned to turn out 403 horsepower versus t ...

    Clearing the System
    Unless information is deleted out of the in—vehicle Bluetooth system, it will be retained indefinitely. This includes all saved name tags in the phone book and phone pairing information. For info ...

    Roadside Service (Mexico)
    As a new owner, your vehicle is automatically enrolled in the Roadside Assistance program. The services are available at no cost under the terms and conditions of the program. The Roadside Assista ...