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:

    Map Database Information
    Use the Map Database Information/ Remove Map Data screen button to view the coverage areas of the map database or to replace the map database. 1. Press the Map Database Information/Remove Map Dat ...

    Immobilizer
    See Radio Frequency Statement for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...

    Capacities and Specifications
    The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants for more information. Engine Specifications ...