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:

    Climate Controls
    The heating, cooling, defrosting, and ventilation for the vehicle can be controlled with these systems. ...

    Compass Messages
    CAL This message is displayed when the compass needs to be calibrated. See Compass . – – – Three dashes will be displayed if the compass needs service. See your dealer for service. ...

    Sum greater than pieces
    This LaCrosse just glided through the hills and country roads around Milford — home to GM's proving grounds — where I test drove it. There were a few times, if you really stepped on the gas, t ...