254 VEHICLE CAREengine revolutions, enginetemperature, and miles driven. Basedon driving conditions, the mileage atwhich an oil change is indicated canvary considerably. For the oil lifesystem to work properly, the systemmust be reset every time the oil ischanged.When the system has calculated thatoil life has been diminished, itindicates that an oil change isnecessary. A CHANGE ENGINE OILSOON message comes on. Change theoil as soon as possible within the next1 000 km (600 mi). It is possible that,if driving under the best conditions,the oil life system might indicate thatan oil change is not necessary for upto a year. The engine oil and filtermust be changed at least once a yearand, at this time, the system must bereset. Your dealer has trained servicepeople who will perform this work andreset the system. It is also importantto check the oil regularly over thecourse of an oil drain interval andkeep it at the proper level.If the system is ever reset accidentally,the oil must be changed at 5 000 km(3,000 mi) since the last oil change.Remember to reset the oil life systemwhenever the oil is changed.After you change the oil, the oil lifesystem will need to be reset. See yourdealer for service.Automatic TransmissionFluidHow to Check AutomaticTransmission FluidIt is not necessary to check thetransmission fluid level.A transmission fluid leak is the onlyreason for fluid loss. If a leak occurs,take the vehicle to your dealer andhave it repaired as soon as possible.The vehicle is not equipped with atransmission fluid level dipstick.There is a special procedure forchecking and changing thetransmission fluid. Because thisprocedure is difficult, this should bedone at the dealer. Contact the dealerfor additional information.Change the fluid and filter at theintervals listed in ScheduledMaintenance 0 319, and be sure to usethe fluid listed in Recommended Fluidsand Lubricants 0 322.Engine Air Cleaner/FilterThe engine air cleaner/filter is in theengine compartment on the driverside of the vehicle. See EngineCompartment Overview 0 248.When to Inspect the Engine AirCleaner/FilterFor intervals on changing andinspecting the engine air cleaner/filter,see Scheduled Maintenance 0 319.How to Inspect the Engine AirCleaner/FilterDo not start the engine or have theengine running with the engine aircleaner/filter housing open. Beforeremoving the engine air cleaner/filter,make sure that the engine air cleaner/filter housing and nearby componentsare free of dirt and debris. Remove theengine air cleaner/filter. Lightly tapand shake the engine air cleaner/filter