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:

    Chemical Paint Spotting
    Airborne pollutants can fall upon and attack painted vehicle surfaces causing blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. ...

    Going & Stopping
    The biggest drawback I found with the Yukon was the powertrain. A 380-horsepower, 6.2-liter V-8 is standard in the Denali, but it was sluggish in almost every passing situation I could simulate. T ...

    Navigation System
    If the vehicle has a navigation system, there is a separate navigation system manual that includes information on the radio, audio players, and navigation system. The navigation system provides d ...