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:

    Portable Audio Devices
    This vehicle has an auxiliary input, located on the audio faceplate, and a USB port located on the instrument panel or in the center console. External devices such as iPod®, laptop computers, MP3 ...

    Traffic Options (US and Canada)
    Read the following Options descriptions to understand how the XM NavTraffic™ operates. ...

    Driving dynamics
    The robust and dynamic CTS chassis infuses the new wagon with a great balance of performance and luxury. It uses an independent short/long arm ( SLA) front suspension system and a multi-link rear ...