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:

    Dolly Towing (All-Wheel-Drive Vehicles)
    Notice: Towing an all-wheel-drive vehicle with all four wheels on the ground, or even with only two of its wheels on the ground, will damage drivetrain components. Do not tow an all-wheel-d ...

    Odometer
    Displays the distance the vehicle has been driven in either kilometers (km) or miles (mi). ...

    3-D Lane Guidance
    Some major metropolitan areas may include a 3-D lane guidance feature for highway exits and junctions. This feature gives you an enhanced representation of the exits and junctions on the route. ...