Lexus 2008 IS250 Owner's Manual page 194

Switching between outside air and recirculated air modes
n
IS250
Press
The mode switches between
(introduces air from outside the vehicle) modes each time the but-
ton is pressed.
IS350
Press
The mode switches among
"AUTO" and
time the button is pressed.
When the system is switched to automatic mode, the air conditioning
system operates automatically.
Defogging the front windshield
3-1. Using the air conditioning system and defogger
.
.
(introduces air from outside the vehicle) modes each
(recycles air inside the vehicle) and
(recycles air inside the vehicle),
Defogging
The air conditioning system control
operates automatically.
Recirculated air mode may auto-
matically switch to
air) mode.
3
(outside
195