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:

    Customization Menu Items
    (Customization): Press this button to enter the feature settings menu. This display allows you to customize the feature settings on your vehicle. See DIC Vehicle Customization for more info ...

    Engine Coolant Temperature Gage
    This gage shows the engine coolant temperature. If the gage pointer moves into the red area, the engine coolant has overheated. If you have been operating your vehicle under normal driving c ...

    Removing the Spare Tire and Tools
    To access the spare tire and tools: 1. Open the trunk. 2. Remove the spare tire cover. 3. Turn the retainer nut counterclockwise and remove the spare tire. Place the spare tire next to the tire ...