Lexus LS460 Owner's Manual page 345

Feet
Feet and windshield
Switching between outside air and recirculated air modes
Press
The mode switches among
(outside air mode) modes each time the button is pressed.
When the system is switched to automatic mode, the air conditioning system
operates automatically.
Turning the air purifier off (with rear air conditioning system)
Select
1
Select "Air Purifier".
2
The air purifier will turn off when the indicator on the switch goes off. Air will not
flow from the roof vents.
To turn the air purifier on, select "Air Purifier" again.
LS460/LS460L_U (OM50G04U)
5-3. Using the air conditioning system and defogger
.
(recirculated air mode), automatic and
on the operation screen.
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