Lexus RX 450h Owner's Manual page 402

400 5-3. Using the air conditioning system and defogger
is pressed.
Type B

Press
The mode switches between
(recirculated air mode), automatic and
(outside air mode) modes each
time the button is pressed.
When the system is switched to automatic
mode, the air conditioning system operates
automatically.
Defogging the windshield
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Defoggers are used to defog the wind-
shield and front side windows.
Press the windshield defogger switch.
Set the outside/recirculated air mode but-
ton to outside air mode if the recirculated
air mode is used. (It may switch automati-
cally.)
To defog the windshield and the side win-
dows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press the
windshield defogger switch again when the
windshield is defogged.
Defogging the rear window and
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outside rear view mirrors (if
equipped)
Defoggers are used to defog the rear
window, and to remove raindrops, dew
and frost from the outside rear view
mirrors.
Press the rear window and outside rear
view mirror defoggers switch.
The defoggers will automatically turn off
after a period of time.
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P.405
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P.405
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The windows will easily fog up when the
humidity in the vehicle is high. Selecting
"A/C" on will dehumidify the air from the
outlets and defog the windshield effectively.
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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 mode be set to outside air
mode and the fan speed to any setting
except off.
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Blower customization (if equipped)
Windshield wiper de-icer (if
equipped)
Fogging up of the windows
If you turn "A/C" off, the windows may fog
up more easily.
The windows may fog up if the recircu-
lated air mode is used.
When driving on dusty roads
Outside/recirculated air mode
Setting to the recirculated air mode tem-
porarily is recommended in preventing
dirty air from entering the vehicle interior
and helping to cool the vehicle when the
outside air temperature is high.
Outside/recirculated air mode may auto-
matically switch depending on the tem-
perature setting or the inside
temperature.
Registering air conditioning settings to
electronic keys (vehicles with driving
position memory)
Unlocking the vehicle using an electronic
key and turning the power switch to ON
mode will recall that key's registered air
conditioning settings.
When the power switch is turned off, the
current air conditioning settings will auto-
matically be registered to the electronic
key that was used to unlock the vehicle.
The system may not operate correctly if