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:

    Fuel Gauge
    Metric English When the ignition is on, the fuel gauge shows about how much fuel is left in the fuel tank. An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on. The ...

    Accessories and Modifications
    Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions s ...

    Safety Belts
    Refer to the following sections for important information on how to use safety belts properly: ○ Safety Belts on page 3‑12. ○ How to Wear Safety Belts Properly on page 3‑ ...