Fogging Up Of The Windows; Windshield Fog Detection Function; Outside/Recirculated Air Mode; Operation Of The Air Conditioning System In Eco Heat/Cool Mode - Toyota Mirai 2017 Owner's Manual

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Fogging up of the windows

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The windows will easily fog up when the humidity in the vehicle is high.
Turning
shield effectively.
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If you turn
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The windows may fog up if the recirculated air mode is used.
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Windshield fog detection function

When automatic mode is set, the humidity sensor (→P. 266) detects fog on
the windshield and controls the air conditioning system to prevent fog.
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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 out-
side/recirculated air mode button to recirculated air mode. This is effective in
preventing outside air from entering the vehicle interior. During cooling oper-
ation, setting the recirculated air mode will also cool the vehicle interior
effectively.
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Outside/recirculated air mode may automatically switch depending on the
temperature setting or the inside temperature.
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Operation of the air conditioning system in ECO HEAT/COOL mode

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In ECO HEAT/COOL mode, the air conditioning system is controlled as fol-
lows to prioritize fuel efficiency:
• Fluid (heating) heater and compressor operation controlled to restrict
heating/cooling capacity
• Fan speed restricted when automatic mode is selected
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To improve air conditioning performance, perform the following operations:
• Adjust the temperature settings and fan speed
• Touch
• Touch
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Operation of the air conditioning system in Eco drive mode
When ECO MODE switch is pressed, operations switch over to ECO HEAT/
COOL mode. (→P. 183)
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When the outside temperature exceeds 75°F (24°C) and the air condition-
ing system is on
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In order to reduce the air conditioning power consumption, the air condition-
ing system may switch to recirculated air mode automatically. This may also
reduce fuel consumption.
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Recirculated air mode is selected as a default mode when the power switch
is turned to ON mode.
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It is possible to switch to outside air mode at any time by pressing
6-1. Using the air conditioning system and defogger
on will dehumidify the air from the outlets and defog the wind-
off, the windows may fog up more easily.
while in , and
while in , and ECO HEAT/COOL mode is canceled
is set
263
6
.