2009 Toyota Prius Owners Manual - Page 418

OM47614U_PRIUS_U.book Page 391 Monday, January 11, 2010 11:02 AM 4-3. Do-it-yourself maintenance n Replacement method Remove the air conditioning filter from the filter case and replace it with a new one. The "↑UP" marks shown on the filter and the filter case should be pointing up. n Checking interval Inspect and replace the air conditioning filter according to the maintenance schedule. In dusty areas or areas with heavy traffic flow, early replacement may be required. (For scheduled maintenance information, refer to the Owner's Manual Supplement/Scheduled Maintenance Guide".) n If air flow from the vents decreases dramatically The filter may be clogged. Check the filter and replace if necessary. 4 Maintenance and care NOTICE n To prevent damage to the system When using the air conditioning system, make sure that a filter is always installed. 391 PRIUS_U_(OM47614U)