Lexus SC 430 2001 Owner's Manual page 253

Changing interval
■
Inspect and replace the air conditioning filter according to the maintenance sched-
ule. In dusty areas or areas with heavy traffic flow, such as inner city or desert areas,
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 decreases dramatically
■
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
When using the air conditioning system
■
Use of the system with the air filter removed or improperly installed could result in a
malfunction.
Make sure that a filter is always installed.
Do not wash or air-blow the filter
■
Do not wash or air-blow the filter or it may cause the system to malfunction. Always
replace dirty filters.
4-3. Do-it-yourself maintenance
Filter
1
Filter case
2
Remove the air conditioning filter
from the filter case and replace it
with a new one.
The  UP marks shown on the filter
and the filter case should be point-
ing up.
4
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