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:

    California Fuel
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel ...

    Entering the Personalization Menus
    1. Press CONFIG to access the Configuration Settings menu. 2. Turn the TUNE/MENU knob to highlight Vehicle Settings. Press the CONFIG button until Vehicle is highlighted on vehicles with a navigati ...

    Weight of the Trailer Tongue
    The tongue load (A) of any trailer is an important weight to measure because it affects the total gross weight of the vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the vehicl ...