TTY Users

OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:

    How Does an Airbag Restrain?
    In moderate to severe frontal or near frontal collisions, even belted occupants can contact the steering wheel or the instrument panel. In moderate to severe side collisions, even belted occupants ...

    Extending Engine Run Time
    To extend the engine run time by 10 minutes, repeat Steps 1 through 3 while the engine is still running. The engine run time can only be extended if it is the first remote start since the vehicle has ...

    When to Add Engine Oil
    2.4L L4 Engine 3.0L V6 Engine If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Righ ...