Toyota 2009 Camry Owner's Manual page 220

Adjusting the position of and opening and closing the air outlets
Center outlets
Right and left side outlets
■
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.
■
Window defogger feature
In order to prevent the windows from fogging up, recirculated air mode may
automatically switch to outside air mode if the ambient temperature drops.
This feature can be cancelled by pushing and holding the air intake mode
switch for longer than 2 seconds. The feature will be reactivated when the
engine switch is turned to the "ACC" or "LOCK" position.
3-1. Using the air conditioning system and defogger
Direct air flow to the left or right,
up or down.
Direct air flow to the left or
right, up or down.
Turn the knob right to open the
vent and left to close the vent.
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