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:

    Playing from MEM
    Playing Back a Previously Recorded CD Turn the TUNE knob to select a track if MEM is already playing from the previously recorded disc. 1. Select Recorded Disc List. 2. Select the disc. 3. S ...

    Turning the System On or Off
    /VOL (Power/Volume): Press to turn the system on and off. Automatic Switch-Off If the infotainment system has been turned on after the ignition is turned off, the system will turn off automatic ...

    Turn Signals When Towing a Trailer
    The arrows on your instrument panel will flash whenever you signal a turn or lane change. Properly hooked up, the trailer lamps will also flash, telling other drivers you’re about to turn, cha ...