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:

    Dinghy Towing
    Notice: If the vehicle is towed with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by the vehicle warranty. Do not tow the veh ...

    MP3/WMA Format
    The Single CD and the Six-Disc CD Radio will play MP3/WMA files that were recorded on a CD–R or CD–RW disc. The HDD Radio can also play MP3/WMA files recorded on DVD+/-R discs or stored on a ...

    Rear Window Defogger
    (Rear Window Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off automatically after about 10 minutes. If turned on again it runs for about five minu ...