Calling for Service

When calling Roadside Service, 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:

    OnStar Additional Information
    Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ow ...

    General Information
    For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

    Cleaning Exterior Lamps/Lenses and Emblems
    Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...