Air Conditioning Filter Checking Interval; If Air From The Vents Decreases Dramatically - Toyota Avensis Owner's Manual

 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, please refer to
the "Toyota Service Booklet" or "Toyota Warranty Booklet".)
 If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
 To prevent damage to the system
When using the air conditioning system, make sure that a filter is always
installed.
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4-3. Do-it-yourself maintenance
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