Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    Battery
    Refer to the replacement number on the original battery label when a new battery is needed. WARNING Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals k ...

    Head-Up Display (HUD)
    WARNING If the HUD image is too bright or too high in your field of view, it may take you more time to see things you need to see when it is dark outside. Be sure to keep the HUD image dim and placed ...

    Odometer
    The odometer shows how far the vehicle has been driven, in either kilometers or miles. ...