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:

    OnStar® Virtual Advisor
    OnStar® Virtual Advisor is a feature of OnStar® Hands-Free Calling that uses your minutes to access location-based weather, local traffic reports, and stock quotes. By pressing the phone button ...

    Setting the Time and Date (With Date Display)
    1. Press the CONFIG button and select Time and Date Settings, or press . 2. Select Set Time or Set Date. 3. Turn the Menu knob to adjust the highlighted value. 4. Press SELECT to select the n ...

    Hill and Mountain Roads
    Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: • Keep the vehicle serviced and in good shape. â ...