2006 Lexus GS 300 Owners Manual - Page 294

AIR CONDITIONING 1. Turn the air intake control to RECIRCULATED AIR mode. The filter case cannot be removed in the OUTSIDE AIR mode. 2. Turn off the engine switch. 3. When you replace the filter, be sure to turn off the fan. G21012 The air conditioning filter is behind the glove box. The air conditioning filter may clog after long use. The filter may need to be replaced if the air flow of the air conditioning and heater experiences extreme reductions in operating efficiency, or if the windows fog up easily. If the symptoms of air conditioning efficiency problems occur, contact your nearest Lexus dealer to have the filter replaced. To maintain the air conditioning efficiency, replace the air conditioning filter according to the maintenance schedule. In dusty areas or areas with heavy traffic flow, such as inner city or desert areas, early replacement may be required. (For scheduled maintenance information, see the "Owner's Manual Supplement / Scheduled Maintenance"). G21013 4. Open the glove box and remove the partition by pulling. G21019 270