Lexus LS 460 2017 Manual page 435

Automatic mode for air intake control (type B)
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In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
When the dehumidification function is off, and the fan is operating, turning automatic
mode on will activate the dehumidification function.
Pollen removal mode
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In order to prevent the windshield from fogging up when the outside air is cold, the
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following may occur:
• Outside air mode does not switch to
• The dehumidification function operates.
• The operation cancels after approximately 1 minute.
In rainy weather, the windows may fog up. Press
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In extremely humid weather, the windows may fog up.
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The pollens are filtered out even if the pollen removal mode is turned off.
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Air purifier (with rear air conditioning system)
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The air purifier will turn on when turning the rear air conditioning system on.
When the outside temperature falls to nearly 0C (32F)
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The dehumidification function may not operate even when "A/C" is selected.
5-3. Using the air conditioning system and defogger
(recirculated air) mode.
or .
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