TTY Users

OnStar has the ability to communicate to the deaf, hardofhearing, or speechimpaired customers while in the vehicle.

The available dealerinstalled TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar TurnbyTurn Navigation.

    See also:

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). Notice: If the engine is operated with the tachometer in the shaded warning area, the vehicle could be damaged, and ...

    Battery Replacement
    Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See Replace Battery In Remote Key under Key and Lock Messages for additional information. Notice: When ...

    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. ...