2006 Lexus LS 430 Owners Manual - Page 305

4-3. Do-it-yourself maintenance n Resetting the air filter maintenance light data After the replacement, the air filter maintenance light must be reset. Push and hold the "OFF" button for more than 4 second. n Changing interval for the front air conditioning filter Inspect and 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, please refer to the "Owner's Manual Supplement/Scheduled Maintenance".) n If air flow decreases dramatically 4 Maintenance and care The filter may be blocked. Check the filter and replace if necessary. CAUTION n Air purifier precautions l Do not look into the xenon tube or directly expose your skin to the light in the tube's light. The tube emits less than 300nm of ultraviolet light, however some people may experience symptoms such as sore eyes, vision trouble, skin inflammation, etc. l Do not disassemble the air purifier. Some parts contain high voltage, and there is also the possibility of causing a malfunction. 293