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:

    DIC Compass
    The vehicle may have a compass in the Driver Information Center (DIC). See Compass for information. ...

    Phone
    Bluetooth For vehicles equipped with Bluetooth capability, the system can interact with many cell phones, allowing: Placement and receipt of calls in a hands-free mode. Sharing of the cell ph ...

    Fuel E85 (85% Ethanol)
    Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). See Fuel E85 (85% Ethanol)  . For all other vehicl ...