Toyota 2009 Avalon Owner's Manual page 218

Switching between outside air and recirculated air modes
n
Press
The mode switches between outside air mode (indicator off) and recircu-
lated air mode (indicator on) modes each time the button is pressed.
3-1. Using the air conditioning system and defogger
.
Air flows to the feet.
Air flows to the feet and the
windshield defogger operates.
3
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