Toyota Lexusc Owner's Handbook Manual page 300

Driver side setting air flow
Passenger side setting air flow
Mixed air flow
SETTING OPERATION — manual control
When one of the manual control buttons is depressed
while operating in automatic mode, the operation
corresponding to the depressed button is set. Other
conditions continue to be adjusted automatically.
If manual air flow selection is desired —
The outlets from which air is delivered can be selected
manually by pushing the button. The function of each mode is
as follows:
1 Panel — Air flows mainly from the instrument panel vents
and rear vents.
2 Bi-level — Air flows from both the floor vents, instrument
panel vents and rear vents.
When you set the temperature selector setting at about
the middle in automatic operation, warm air flows out of
the floor vents and relatively low-temperature air flows
out of the instrument panel vents and rear vents.
AIR CONDITIONING
281