2001 Lexus GS300 Air Conditioning

Automatic Air Conditioning Controls
85 3. Push the ºHIº of the air flow control switch
to obtain a maximum air flow.
4. Leave the air conditioning on±off button
off.
For further information for removing frost and
fog, see ºLower ventº on page 88.
When the ºFRONT WINDSHIELDº button is
pushed while operating in automatic mode,
the air conditioning is set to operate and the
OUTSIDE AIR mode is set.
If you push the ºFRONT WINDSHIELDº but-
ton once again while in the FRONT WIND-
SHIELD mode, the mode then returns to the
last mode used.
CAUTION
Do not use the ºFRONT WINDSHIELDº
button during cooled air operation in
extremely humid weather. The differ-
ence between the temperature of the
outside air and that of the windshield
could cause the outer surface of the
windshield to fog up blocking your vi-
sion.
When you turn the ignition switch on after the
removal and installation of the battery termi-
nal, the indicator light may flash and the oper-
ating sound of the motor may be heard. This
does not indicate a malfunction.
You may hear the operating sound of the mo-
tor about 70 seconds after the ignition switch
is turned off. This is not also a malfunction.(c) Outside temperature
display
UNG510
Outside temperature is displayed on the
screen.
The displayed temperature ranges from
±30C (±22F) up to 50C (122F). If the
temperature does not appear on the display
or it shows º± ± ±º, take your vehicle to your
Lexus dealer.

Automatic Air Conditioning Controls
86
(d) Air filter
The air filter may clog after long use and re-
duce air flow. You can inspect the filter easily.
When you inspect and replace the air filter,
be sure to turn off the fan.
UNG511
1. Open the glove box and remove the
two covers.
UNG512
2. Take out the air filter.
If it is dirty, it should be replaced. To maintain
the air conditioning efficiency, replace the air
filter according to the maintenance sched-
ule. (For scheduled maintenance informa-
tion, please refer to the ºOwner's Manual
Supplement / Maintenance Scheduleº.)
NOTICE
Do not drive with the air filter removed,
or the efficiency of air conditioning may
be lost.
(e) Operating tips
Make sure the air inlet grilles in front of
the windshield are not blocked by leaves
or other obstructions.
If air flow control is not satisfactory,
check the dashboard vents. (See ºCen-
ter ventsº, ºSide ventsº, ºLower ventº
and ºRear ventsº.)
To help cool down the interior after park-
ing in the hot sun, drive for the first few
minutes with the windows open. After
the excess heat has blown away, close
the windows.
When driving on dusty roads, close all
windows. If dust thrown up by the ve-
hicle is still drawn into the vehicle after
closing the windows, it is recommended
that the air intake control button be left
to the OUTSIDE AIR mode and the air
flow control switch be selected to any-
where except the ºOFFº button.

Automatic Air Conditioning Controls
87 If following another vehicle on a dusty
road, or driving in windy and dusty
conditions, 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 prevent outside air and
dust from entering the vehicle interior.
Center vents
UNG513
The center vents may be opened or
closed as shown.
Side vents
UNG514
The side vents may be opened or closed
as shown.

Automatic Air Conditioning Controls Automatic Air Conditioning Controls
88
Lower vent
UNG515
The lower vent may be opened or closed
as shown.
It is recommended to close the lower vent for
removing frost or fog on the side windows
button or use the ºFloorº, ºFloor/Windshieldº
or ºWindshieldº mode.
Rear vents
UNG516
The rear vents may be opened or closed
as shown.