Toyota 2009 Tundra, Manual, Page: 279 / 663

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3-1. Using the air conditioning system and defogger
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n Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature set-
ting and ambient conditions. As a result, the following may occur.
l The system may switch automatically to recirculated mode when the
coolest temperature setting is selected in summer.
l
Immediately after the switch is pressed, the fan may stop for a while until
warm or cool air is ready to flow.
l
Cool air may flow to the area around the upper body when the heater is
on.
n Using the system in recirculated air mode
The windows will fog up more easily if the recirculated air mode is used for
an extended period.
n Window defogger feature
Recirculated air mode may automatically switch to (outside air) mode
in situations where the windows need to be defogged.
n When outside temperature approaches 32
°
F (0
°
C)
The air conditioning system may not operate even when is pressed.
n
When the indicator on flashes
Press and turn off the air conditioning system before turning it on
once more. There may be a problem in the air conditioning system if the indi-
cator continues to flash. Turn the air conditioning system off and have it
inspected by your Toyota dealer.