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:

    Filling the Tank
    If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. WARNING Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid injuries to you ...

    Cigarette Lighter
    To use the cigarette lighter, push it in all the way, and let go. When it is ready for use, the lighter pops back out. Notice: Holding a cigarette lighter in while it is heating does not let the ligh ...

    Adding Washer Fluid
    Open the cap with the washer symbol on it and add washer fluid until full. See Engine Compartment Overview on page 10‑6 for reservoir location. Notice ○ When using concentrated washe ...