TOYOTA 2011 Yaris Hatchback - Manual (Page 295)

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4-3. Do-it-yourself maintenance
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, please refer to
the “Scheduled Maintenance Guide” or “Owner’s Manual Supplement”.)
n If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
Pull out the filter.
Rotate the filter to remove it.
n Installing method
Set a new filter.
The
“↑UP” marks shown on the
filter should be pointing up.
Rotate the filter.
Push in the filter.