Lexus SC 430 2006 Owner's Manual page 140

3-1. Using the air conditioning system and defogger
Air flows from the lap-jet vents only when the retractable hardtop is opened.
Floor air vent (P.127)
■
Switching between recirculated air and outside air modes
Push
Pushing the button changes between recirculated (recycles air inside the
vehicle), AUTO and outside air modes (introduces air from outside the
vehicle).
126
.
Air flows to the feet.
3
Air flows to the feet and the
4
windshield defogger operates.