Lexus IS 350C 2012 Manual page 252

3-1. Using the air conditioning system and defogger
Micro dust and pollen filter
Adjusting the sensitivity of the air intake control in automatic mode (IS350C only)
STEP 1
252
Press .
Outside air mode switches to
(recirculated air) mode. Pol-
len is removed from the air and the
air flows to the upper part of the
body.
Usually the system will turn off
automatically after approximately 1
to 3 minutes.
To stop the operation, press
again.
Press for 2 or more sec-
onds.