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:

    Other Rainy Weather Tips
    Besides slowing down, other wet weather driving tips include: • Allow extra following distance. • Pass with caution. • Keep windshield wiping equipment in good shape. • Keep the windshield ...

    StabiliTrak® OFF Light
    This light comes on when the StabiliTrak system is turned off. If the Traction Control System (TCS) is off, wheel spin is not limited. If the StabiliTrak system is off, the system does not assis ...

    A Transformative Engine
    You might be thinking, "How can GMC's compact pickup feel like a muscle car?" Well, there's more to it than stuffing a 5.3-liter V-8 under the hood, but that engine goes a long way towar ...