Toyota SIENNA 2022 Manual page 362

362
5-1. Using the air conditioning system and defogger
lit)  Off
The level indicator lights up during
operation.
Front

Rear (second outboard seats)

(if equipped)
■ Operation condition
The power switch is in ON.
WARNING
To prevent causes of over-
■
heating and minor burn inju-
ries
Observe the following precautions
when using a seat heater:
● Do not cover the seat with a
blanket or cushion when using
the seat heater.
● Do not use seat heater more
than necessary.
Operating the seat venti-
lators (front seats)
Each time the switch is pressed,
the operation condition changes as
follows.
Hi (3 segments lit)  Mid (2 seg-
ments lit)  Lo (1 segment lit) 
Off
The level indicator lights up during
operation.
■ Operation condition
The power switch is in ON.
■ Air conditioning system-linked
control mode
When a seat ventilator is set to Hi,
the fan speed of the seat ventilator
may increase according to the fan
speed of the air conditioning sys-
tem.