Calling for Assistance

When calling Roadside Assistance, have the following information ready:
• Your name, home address, and home telephone number
• Telephone number of your location
• Location of the vehicle
• Model, year, color, and license plate number of the vehicle
• Odometer reading, Vehicle Identification Number (VIN), and delivery date of the vehicle
• Description of the problem

    See also:

    Object Detection System Messages
    PARK ASSIST OFF This message displays when the park assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Ultrasonic Parking Assist ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

    How to Add Automatic TransmissionFluid
    Refer to the Maintenance Schedule to determine what kind of transmission fluid to use. Add fluid only after checking the transmission fluid while it is hot. A cold check is used only as a referenc ...