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:

    When the System Does Not Seem to Work Properly
    The following messages may be displayed on the DIC: SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer to repair the system. PARK ASSIST OFF: If the UFRPA system ...

    Creating an MP3/WMA Disc
    When creating an MP3/WMA disc: - Make sure the MP3/WMA files are recorded on a CD–R or CD–RW disc. - Do not mix standard audio and MP3/WMA files on one disc. - Make sure the CD does not hav ...

    Compass Calibration
    The compass can be manually calibrated. Only calibrate the compass in a magnetically clean and safe location, such as an open parking lot, where driving the vehicle in circles is not a dange ...