Underbody Maintenance

Use plain water to flush dirt and debris from the vehicle's underbody.

Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.

    See also:

    OnStar®
    If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data colle ...

    Front Fog Lamp Light
    The fog lamp light comes on when the fog lamps are in use. The light goes out when the fog lamps are turned off. See Fog Lamps. ...

    Uniform Tire Quality Grading
    Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: ...