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:

    Wheel Alignment
    Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance. - Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, ...

    Rear Window Wiper/Washer
    The rear wiper control is located on the turn and lane-change lever. To turn the rear wiper on, slide the lever to a wiper position. (Off): Turns the wiper off. (Rear Wiper Delay): Turns on the ...

    Doing Your Own Service Work
    WARNING It can be dangerous to work on your vehicle if you do not have the proper knowledge, service manual, tools, or parts. Always follow owner manual procedures and consult the service manual f ...