Lexus ES 350 Owner's Manual page 408

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Cleaning method
Checking interval
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Inspect, clean and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, more frequent cleaning or
early replacement may be required. (For scheduled maintenance information,
please refer to the "Warranty and Services Guide/Owner's Manual Supplement/
Scheduled Maintenance".)
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 installed.
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When cleaning the filter, do not clean the filter with water.
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4-3. Do-it-yourself maintenance
If the filter is dirty, clean by blow-
ing compressed air through the
filter from the downward side.
Hold the air gun 2 in. (5 cm)
from the filter and blow for
approximately 2 minutes at 72
psi (500 kPa, 5.0 kgf/cm
bar).
If it is not available, have the filter
cleaned by your Lexus dealer.
2
or
4
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