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:

    Ride Control System Messages
    SERVICE STABILITRAK If your vehicle has StabiliTrak and this message displays, it means there may be a problem with the StabiliTrak system. If you see this message, try to reset the system. Stop; ...

    Checking Coolant
    The vehicle must be on a level surface when checking the coolant level. The engine coolant reservoir is located in the engine compartment on the driver side of the vehicle. See Engine Compar ...

    Storing the Tire Sealant and Compressor Kit (Sedan)
    The tire sealant and compressor kit is located in the trunk in one of the following locations. A. Tire Sealant and Compressor Kit B. Foam Container C. Wing Nut 1. Open the trunk. See Trunk ...