User Manual - Page 419

For 2019 Tundra.

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417
6-1. Using the air conditioning system
6
Interior features
TUNDRA_OM_USA_OM0C017U_19MY
Fogging up of the windows
The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air from the outlets and defog the
windshield effectively.
If you turn off, the windows may fog up more easily.
The windows may fog up if the recirculated air mode is used.
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 the outside temperature exceeds 75F (24C) and air conditioning
system is on
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.
Recirculated air mode is selected as a default mode when the engine switch
is in the “ON” position.
It is possible to switch to outside air mode at any time by pressing .
When the outside temperature falls to nearly 32F (0C)
The dehumidification function may not operate even when is
pressed.
Ventilation and air conditioning odors
To let fresh air in, set the air conditioning system to the outside air mode.
During use, various odors from inside and outside the vehicle may enter into
and accumulate in the air conditioning system. This may then cause odor to
be emitted from the vents.
To reduce potential odors from occurring:
It is recommended that the air conditioning system be set to outside air
mode prior to turning the vehicle off.
Air conditioning filter
P. 513
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