Toyota SIENNA 2022 Manual page 354

354
5-1. Using the air conditioning system and defogger
for functions other than that
operated is maintained.
■ Using automatic mode
Fan speed is adjusted automati-
cally according to the temperature
setting and the ambient conditions.
Therefore, the fan may stop for a
while until warm or cool air is ready
to flow immediately after the auto-
matic mode switch is pressed.
Front seat concentrated
airflow mode (S-FLOW)
This function automatically con-
trols the air conditioning airflow
so that priority is given to the
front seats. When the front pas-
senger seat is not occupied, air-
flow may switch to only the
driver's seat. Unnecessary air
conditioning is suppressed, con-
tributing to increased fuel effi-
ciency.
Front seat concentrated airflow
mode operates in the following
situations.
 No passengers are detected
in the rear seats
 The windshield defogger is
not operating
While operating,
nates.
Manually turning front seat
■
concentrated airflow mode
on/off
In front seat concentrated air-
flow mode, directing airflow to
the front seats only and to all
seats can be switched via switch
operation. When the mode has
been switched manually, auto-
matic airflow control stops oper-
ating.
Press
ing operation panel and switch
the airflow.
 Indicator illuminated: Airflow
 Indicator off: Airflow to all the
■
●
●
■
Even if the function is manually
switched to directing airflow to only
the front seats, when a rear seat is
occupied, it may automatically direct
illumi-
airflow to all seats.
■
1
2
on the air condition-
to the front seats only
seats
Operation of automatic airflow
control
In order to maintain a comfortable
interior, airflow may be directed to
seats without passengers immedi-
ately after the hybrid system is
started and at other times depend-
ing on the outside temperature.
After the hybrid system is started,
if passengers move around inside
or enter/exit the vehicle, the sys-
tem cannot accurately detect the
presence of passengers and auto-
matic airflow control will not oper-
ate.
Operation of manual airflow
control
To return to automatic airflow
control
With the indicator off, turn the
power switch off.
After 60 minutes or more elapse,
turn the power switch to ON.