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Fogging up of the windows
●
The windows will easily fog up when the humidity in the vehicle is high.
Turning
windshield effectively.
●
If you turn
●
The windows may fog up if the recirculated air mode is used.
■
Windshield fog detection function
When automatic mode is set, the humidity sensor (P. 431) detects fog on
the windshield and controls the air conditioning system to prevent fog.
■
When driving on dusty roads
Close all windows. If dust thrown up by the vehicle is still drawn into the vehi-
cle 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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Outside/recirculated air mode
●
Setting to the recirculated air mode temporarily is recommended in prevent-
ing 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 automatically switch depending on the
temperature setting or the inside temperature.
■
Fresh air intake system while parking
When parking, the system automatically switches to outside air mode to
encourage better air circulation throughout the vehicle, helping to reduce
odors that occur when starting the vehicle.
■
Operation of the air conditioning system in the air conditioning eco
mode
●
In the air conditioning eco mode, the air conditioning system is controlled as
follows to prioritize fuel efficiency:
• Engine speed and compressor operation controlled to restrict heating/
cooling capacity
• Fan speed restricted when automatic mode is selected
●
To improve air conditioning performance, perform the following operations:
• Adjust the fan speed
• Adjust the temperature setting
• Turn off the air conditioning eco mode
●
When the driving mode is set to Eco driving mode, the air conditioning eco
mode will be turned on automatically. Even in this case, the air conditioning
eco mode can be turned off by pressing
■
When the outside temperature falls to nearly 32F (0C)
The dehumidification function may not operate even when
PRIUS_OM_OM47E01U_(U)
5-1. Using the air conditioning system and defogger
on will dehumidify the air from the outlets and defog the
off, the windows may fog up more easily.
. (P. 335)
is pressed.
429
5
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