service schedule Lexus ES350 2007 Do-it-yourself maintenance

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4-3. Do-it-yourself maintenance
■Changing interval
Inspect and replace the air conditioning filter according to the maintenance sched-
ule. In dusty areas or areas with heavy traffic flow, 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
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the system.