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:

    Exterior
    Designed with a chiseled look, the four-door STS features what Cadillac says is a "faster profile" with "more rake" than the CTS. All told, it's considered "more sophistic ...

    Auxiliary Devices (Radio with CD)
    The optional AUX input allows portable devices to connect to the vehicle using the 3.5mm (1/8 in) input jack, the USB port, or Bluetooth® wireless technology, if equipped. Portable devices are co ...

    Cupholders
    There are cupholders in the front of the center console. Push the cover to open. There are also cupholders in the rear center armrest. Pull the armrest down to use. ...