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:

    Inst (Instantaneous) Economy
    Displays the current fuel economy in either liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number changes frequently as driving conditions change. It cannot be reset. ...

    Order of Play
    Tracks recorded to the CD-R or CD-RW play in the following order: - Play begins from the first track in the first folder and continues sequentially through all tracks in each folder. When the ...

    Scheduling Service Appointments (U.S. and Canada)
    When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation needs, your ...