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:

    Daytime Running Lamp (DRL) (Uplevel)
    1. From the back side of the headlamp assembly, remove the bottom cap to replace the DRL bulb. 2. Disconnect electrical connector. 3. Remove the DRL bulb socket from the headlamp assembly. 4. ...

    Powertrain
    The DTS is equipped with the technologically advanced Northstar 4.6L V-8 engine and mated to the Hydra-Matic 4T80-E four-speed automatic transmission - a proven combination that assures powerful, ...

    Engine Air Cleaner/Filter
    See Engine Compartment Overview for the location of the engine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance inte ...