If the CHANGE ENGINE OIL SOON message comesback on when the vehicle is started, the Engine Oil LifeSystem has not reset. Repeat the procedure.What to Do with Used OilUsed engine oil contains certain elements that can beunhealthy for your skin and could even cause cancer.Do not let used oil stay on your skin for very long. Cleanyour skin and nails with soap and water, or a goodhand cleaner. Wash or properly dispose of clothing orrags containing used engine oil. See the manufacturer’swarnings about the use and disposal of oil products.Used oil can be a threat to the environment. If youchange your own oil, be sure to drain all the oil from thefilter before disposal. Never dispose of oil by putting itin the trash, pouring it on the ground, into sewers, or intostreams or bodies of water. Recycle it by taking it to aplace that collects used oil.Engine Air Cleaner/FilterSee Engine Compartment Overview on page 6-14 forthe location of the engine air cleaner/filter.Inspect the air cleaner/filter at the Maintenance IIintervals and replace it at the first oil change after each50,000 mile (80 000 km) interval. See ScheduledMaintenance on page 7-4 for more information. If drivingon dusty/dirty conditions, inspect the filter at each engineoil change.How to Inspect the Engine AirCleaner/FilterTo inspect the air cleaner/filter, remove the engine aircleaner/filter from the vehicle by following Steps 1through 6. When the engine air cleaner/filter is removed,lightly shake it to release loose dust and dirt. If theengine air cleaner/filter remains caked with dirt, a newfilter is required.Replacing the Engine Air Cleaner/Filter1. Locate the air cleaner/filter assembly. SeeEngine CompartmentOverview onpage 6-14.2. Loosen the four screws on the cover of the housingand lift up the cover.6-19