Lexus 2003 LS Owner's Manual page 637

Automatic Air Conditioning Controls
21L184
8. After the replacement, push and hold
the "OFF" button for the front air condi-
tioning for more than 4 seconds to reset
the air filter clogging data. The "A/C FIL-
TER RESET" appears on the multi–infor-
mation display and a tone sounds to in-
form you that the data has been reset.
NOTICE
The air filter should be installed proper-
ly in position. The use of air condition-
ing with the air filter removed may
cause the malfunction of the air condi-
tioning system.
122
(e) Operating tips
D Make sure the air inlet grilles in front of the
windshield are not blocked by leaves or
other obstructions.
D If air flow control is not satisfactory, check
the dashboard vents. (See "Center
vents", "Side vents", "Lower vent" and
"Rear vents".)
D To help cool down the interior after parking
in the hot sun, drive for the first few min-
utes with the windows open. After the ex-
cess heat has blown away, close the win-
dows.
D When driving on dusty roads, close all
windows. If dust thrown up by the vehicle
is still drawn into the vehicle after closing
the windows, it is recommended that the
air intake control button be left to the OUT-
SIDE AIR mode and the air flow control
switch be selected to anywhere except
the "OFF" button.
D If following another vehicle on a dusty
road, or driving in windy and dusty condi-
tions, it is recommended that the air intake
control button be temporarily pressed in to
the RECIRCULATED AIR mode, which
will close off the outside passage and pre-
vent outside air and dust from entering the
vehicle interior.
Center vents
21L084c
The center vents may be opened or
closed as shown.
21L085b
Push the "SWING" button to swing the
vanes.