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:

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    The optional AUX input allows portable devices to be connected using the 3.5mm (1/8 in) input jack or the USB port. Portable devices are controlled by using the menu system described in Operation ...

    Driving in Water
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