Lexus LS460 Owners Book page 676

4-3. Do-it-yourself maintenance
Changing interval for the front air conditioning filter
■
Inspect and replace the air conditioning filter when a message is appeared on the
multi-information display. In dusty areas or areas with heavy traffic flow, early
replacement may be required.
If air flow from the vents decreases dramatically
■
The filter may be clogged. Check the filter and replace if necessary.
After changing the air conditioning filter
■
The air conditioning filter maintenance data should be reset. Perform the following
procedures:
Turn the "ENGINE START STOP" switch to IGNITION ON mode.
STEP 1
Press and hold
STEP 2
more.
A buzzer will sound to indicate that the maintenance data has been successfully
reset.
Rear air conditioning filter (if equipped)
■
If it is necessary to clean or replace the filter, contact your Lexus dealer.
Climate control seat filter (if equipped)
■
Filters are installed in the seats. When it is necessary to clean or replace the filters,
contact your Lexus dealer.
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.
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(on the air conditioning panel) for 4 seconds or