Toyota 2008 Prius Quick Reference Manual page 422

Checking interval
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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".)
If air flow from the vents decreases dramatically
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The filter may be clogged. Check the filter and replace if necessary.
NOTICE
To prevent damage to the system
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When using the air conditioning system, make sure that a filter is always
l
installed.
When cleaning the filter, do not clean the with water.
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PRIUS_U_(L/O_0802)
4-3. Do-it-yourself maintenance
Remove the air conditioning
filter from the filter case and
replace it with a new one.
↑UP" marks shown on
"
The
the filter and the filter case
should be pointing up.
4
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