241IS350/250_Navi_U(L/O 0508)AIR CONDITIONING(h) Checking and replacing the airconditioning filterThe air conditioning filter informationlabel is placed in the glove box asshown and indicates that a filter hasbeen installed.The air conditioning filter , in addition to re-moving odors, prevents dust and pollenfrom entering the vehicle through the airconditioning vent.The air conditioning filter is behind theglove box.The air conditioning filter may clog afterlong use. The filter may need to be re-placed if the air flow of the air conditionerand heater experiences extreme reduc-tions in operating efficiency, or if the win-dows become to fog up easily.If the symptoms of air conditioning ef ficien-cy problems occur, contact your nearestLexus dealer to have the filter checked andreplaced.To maintain the air conditioning efficiency,replace the air conditioning filter accordingto the maintenance schedule. In dustyareas or areas with heavy traffic flow, suchas inner city or desert areas, early replace-ment may be required. (For scheduledmaintenance information, please refer tothe "Owner's Manual Supplement/Sched-uled Maintenance".)
