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:

    Overview (Radio with CD/DVD and MEM)
    A. VOL/ • Turns the system on or off and adjusts the volume. B. FAV • Radio: Opens the favorites list. • MEM: Opens the favorites list. C. Buttons 1 to 6 • Radio: Saves and sele ...

    Trip 1 and Trip 2
    This display shows the current distance traveled, in either kilometers (km) or miles (mi), since the last reset for the trip odometer. The trip odometer can be reset to zero by pressing SET/C ...

    Compass Variance
    Compass variance is the difference between earth’s magnetic north and true geographic north. The mirror is set to zone eight upon leaving the factory. It will be necessary to adjust the compass ...