Fogging Up Of The Windows; Outside/Recirculated Air Mode; When The Outside Temperature Exceeds 75°F (24°C); Automatic Mode For Air Intake Control - Lexus GS350 Owner's Manual

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5-2. Using the air conditioning system and defogger

Fogging up of the windows

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The windows will easily fog up when the humidity in the vehicle is high. Selecting
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on will dehumidify the air from the outlets and defog the windshield effec-
tively.
If you turn
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The windows may fog up if the recirculated air mode is used.
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Outside/recirculated air mode

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When driving on dusty roads such as tunnels or in heavy traffic, set the outside/
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recirculated air mode button to the recirculated air mode. This is effective in pre-
venting outside air from entering the vehicle interior. During cooling operation, set-
ting the recirculated air mode will also cool the vehicle interior effectively.
Outside/recirculated air mode may automatically switch depending on the tem-
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perature setting or the inside temperature.
When the outside temperature exceeds 75°F (24°C) and the air conditioning sys-
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tem is on
In order to reduce the air conditioning power consumption, the air conditioning
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system may switch to recirculated air mode automatically. This may also reduce
fuel consumption.
Recirculated air mode is selected as a default mode when the engine switch is
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turned on.
It is possible to switch to outside air mode at any time by pressing
●

Automatic mode for air intake control

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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.
GS350_OM_OM30D41U_(U)
off, the windows may fog up more easily.
.