Toyota 2013 Rav4 Owner's Manual page 256

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Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning system is controlled to prioritize fuel
efficiency by regulating the engine speed and compressor operation to
restrict the heating/cooling capacity.
To improve air conditioning performance, turn off Eco drive mode. (→P. 209)
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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.
●
If you turn
●
The windows may fog up if the recirculated air mode is used.
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Outside/recirculated air mode
When driving on dusty roads such as tunnels or in heavy traffic, set the out-
side/recirculated air mode button to the recirculated air mode. This is effective
in preventing outside air from entering the vehicle interior. During cooling
operation, setting the recirculated air mode will also cool the vehicle interior
effectively.
When outside air temperature approaches 32 °F (0 °C)
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The air conditioning system may not operate even when
RAV4_OM_OM42809U_(U)
5-1. 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.
293
5
is pressed.