2003 Lexus GX470 Basic Functions / LEXUS 2003 GX470 OWNER'S MANUAL (OM60979U)

AIR CONDITIONING
188For manual operation
−
Fan speed To the desired fan speed
Temperature Towards low temperature
Air intake OUTSIDE AIR
Air flow PANEL
Air conditioning OFF
Defogging and defrosting
The inside of the windshield
For best results, set controls to:
For automatic operation −
Temperature Towards high temperature to heat;
low temperature to cool
Air intake OUTSIDE AIR
Air flow WINDSHIELD
For manual operation −
Fan speed To the desired fan speed
Temperature Towards high temperature to heat;
low temperature to cool
Air intake OUTSIDE AIR
Air flow WINDSHIELD
When the windshield air flow button is pushed, air flows mainly
from the windshield vents and turns on the defogging function
with the purpose of clearing the front view.
Pushing this button once again returns the air flow mode to the
last one used. This
button allows the air intake to select OUTSIDE AIR mode
automatically. This is to clean up the front view more quickly.
If you want to return the setting to RECIRCULATED AIR mode,
push the air intake control button once again.
Push the “A/C” button for dehumidified heating or cooling. This
setting clears the front view more quickly.
 On humid days, do not blow cold air on the windshield − the
difference between the outside and inside temperatures
could make the fogging worse.
The outside of the windshield
For best results, set controls to:
For automatic operation −
Temperature Towards high temperature
Air intake OUTSIDE AIR
Air flow WINDSHIELD
For manual operation −
Fan speed To the desired fan speed
Temperature Towards high temperature
Air intake OUTSIDE AIR
Air flow WINDSHIELD

AIR CONDITIONING
189
When
the windshield air flow button is pushed, air flows mainly
from the windshield vents and turns on the defogging function
with the purpose of clearing the front view.
Pushing this button once again returns the air flow mode to the
last one used.
This button allows the air intake to select OUTSIDE AIR mode
automatically. This is to clean up the front view more quickly.
If you want to return the setting to RECIRCULATED AIR mode,
push the air intake control button once again.
Push the “A/C” button for dehumidified heating or cooling. This
setting clears the front view more quickly.
 To heat the vehicle interior while defrosting the windshield,
choose floor/windshield air flow.
(d) Center vents and side vents
 Center vents
 Side vents
If air flow control is not satisfactory, check the center
vents and side vents. The center vents and side vents may
be opened or closed as shown.

AIR CONDITIONING
190
(e) Checking and replacing the airconditioning filter
The air conditioning filter is behind the glove box.
The air conditioning filter may clog after long use. The filter
may need to be replaced if the air flow of the air conditioner and
heater experiences extreme reductions in operating ef ficiency,
or if the windows become to fog up easily.
To maintain the air conditioning efficiency, inspect and replace
the air conditioning filter according to the maintenance
schedule. (For scheduled maintenance information, please
refer to the “Owner’s Manual Supplement / Scheduled
Maintenance”.)
1. Open the glove box and unhook the cip as shown
above.
2. Push each side of the glove box to disconnect the
claws.

AIR CONDITIONING
191
3. Take out the filter case.
4. Remove the filter from the filter case.
5. Inspect the filter on the surface.
If it is dirty, it should be replaced.
When installing the filter in the filter case, keep the arrow
pointing up.
INFORMATION
The air conditioning filter should be installed properly
in position. The use of air conditioning with the filter
removed may cause deteriorated dustproof
performance and then affect air conditioning
performance.

AIR CONDITIONING
192
REAR COOLER CONTROLS
21PY012
 1 Rear cooler vents

2 Fan speed control button

3 “REAR COOL” button

4 Temperature control button
(a) Rear cooler ONOFF
To turn the rear cooler on, push the “REAR COOL” button
with front air conditioning on. To turn the rear cooler off,
push the button once again.
When you turn the rear cooler on with the front air conditioning
off, the cooling device is not operated.
(b) Air flow control
The fan speed can be set to your desired speed by pushing
the appropriate side of the fan speed control button.
“AUTO” mode: The fan speed is automatically adjusted only
when the air flow setting of the front air conditioning is in the
panel mode.
(c) Temperature control
You can adjust the temperature within  10F ( 5C)
which compared with the temperature setting of the front
air conditioning. Push the left side of the button to lower
the temperature, and push the right side to raise the
temperature.
NOTICE
To prevent the battery from being discharged, do not
leave the rear cooler on longer than necessary when the
engine is not running.

AIR CONDITIONING
193

SECTION 2 – 2
194
AIR CONDITIONING AND AUDIO
Audio
Audio system195
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. . . . . . .
Rear seat audio system 220
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear seat entertainment system 233
. . . . . . . . . . . . . . . . . . . . . . . . . . .
For ”Audio system” instructions for vehicles
equipped with Navigation System, please refer to
the separate ”Navigation System Owner’s Manual”.

AUDIO
195
AUDIO SYSTEM
Quick reference for your audio system
22PY029
You can adjust the brightness of the display. See “Instrument panel light control” on page 60 for details.
If a Mark Levinson brand audio system is installed, the “Mark Levinso\
n” logo is shown on the panel.