Subaru BRZ 2018 Owner's Manual page 290

3-1. Using the air conditioning system and defogger
■
Air outlets and air flow
288
Air flows to the upper body.
Air flows to the upper body and
feet.
Air flows to the feet.
Air flows to the feet and the
windshield defogger operates.
The air intake is automatically
switched to outside air mode. It is
not possible to return to recircu-
lated air mode when the switch is
on.