Toyota 2010 Prius Owner's Manual page 482

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Replacement method
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Checking interval
Inspect, clean and replace the air conditioning filter according to the mainte-
nance 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".)
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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.
●
When cleaning the filter, do not clean the filter with water.
4-3. Do-it-yourself maintenance
Replace the air conditioning
filter with a new one.
"
The
the filter should be pointing up.
ITO43P125
↑UP" marks shown on
4
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