2005 Toyota Echo Owners Manual - Page 136

Air conditioning filter- (on some models: mesh filter) -Checking and cleaning the air conditioning filter The air conditioning filters may clog after long use. The filters 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 become to fog up easily in FRESH mode. To maintain the air conditioning efficiency, clean the air conditioning filters 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, please refer to the "Scheduled Maintenance Guide" or "Owner's Manual Supplement".) SN72006 SN72003a The air conditioning filter information label is placed inside the glove box as shown and indicates that a filter has been installed. The air conditioning filter prevents dust from entering the vehicle through the air conditioning vent. The air conditioning filter is behind the glove box. 136 2005 ECHO from Aug. '04 Prod. (OM52636U)