2023 TOYOTA SIENNA HYBRID Owners Manual

3595-1. Using the air conditioning system and defogger
5
Interior features
the left-hand side temperature
control switch to adjust the left-
hand rear seats. (The “SYNC” of
“RIGHT SYNC” display on the
rear air conditioning operation
panel disappears)
To change to the synchronous
mode from the individual mode,
press the “OFF” switch and then
press the “AUTO” switch.
■Adjusting the fan speed set-
ting
Operate the fan speed control
switch upwards to increase the
fan speed and downwards to
decrease the fan speed.
Press the “OFF” switch to turn off
the fan.
■Change the airflow mode
Press the airflow mode control
switch.
The airflow mode changes as fol-
lows each time the switch is
pressed.
1 Upper body
2 Upper body and feet 3
Feet
■Ventilation and air conditioning
odors
●During use, various odors from
inside the vehicle may enter into
and accumulate in the air condi-
tioning system. This may then
cause odor to be emitted from the
vents.
●To reduce potential odors from
occurring: The start timing of the
blower may be delayed for a short
period of time immediately after
the air conditioning system is
started in automatic mode.
1Press the “AUTO” switch.
(“AUTO” appears on the dis-
play)
The dehumidification function
begins to operate. Air outlets and
fan speed are automatically
adjusted according to the tempera-
ture setting.
2 Adjust the temperature set-
ting.
3 To stop the operation, press
the “OFF” switch.
If the fan speed se tting or air flow
modes are operated, the automatic
mode indicator goes off. However,
automatic mode for functions other
than that operated is maintained.
MODE
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the rear air condi-
tioning system on longer than
necessary when the hybrid sys-
tem is off.
Using the automatic mode

3605-1. Using the air conditioning system and defogger
■Using automatic mode
Fan speed is adjusted automati-
cally according to the temperature
setting. Therefore, the fan may stop
for a while until wa rm or cool air is
ready to flow immediately after the
“AUTO” switch is pressed.
 P.356
■Location of air outlets
The air outlets and air volume
changes according to the
selected air flow mode.
■Adjusting the air flow direc-
tion and opening/closing
the air outlets (side ceiling)
1 Direct air flow to up or down.
2 Direct air flow to the left or
right and turns the knob to
open or close the vent
To close the vent , move the knob
rearward.
Changing the rear seat
settings from the front
control panel
Air outlet layout and oper-
ations

3615-1. Using the air conditioning system and defogger
5
Interior features
*: If equipped
Turns the heated steering wheel
on/off
The indicator light comes on when
the heated steering wheel is oper-
ating.
■Operation condition
The power switch is in ON.
Each time the switch is pressed,
the operation condition changes
as follows.
Hi (3 segments lit)  Mid (2
segments lit)  Lo (1 segment
Heated steering
wheel*/seat heat-
ers*/seat ventilators*
 Heated steering wheel
Warm up the grip of the steer-
ing wheel
 Seat heaters
Warm up the seat upholstery
 Seat ventilators
Maintain good ventilation by
sucking air through the seat
upholstery
WARNING
■To prevent minor burn inju-
ries
Care should be taken if anyone in
the following categories comes in
contact with the steering wheel or
seats when the heater is on:
●Babies, small children, the
elderly, the sick and the physi-
cally challenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alco-
hol or drugs that induce sleep
(sleeping drugs, cold remedies,
etc.)
NOTICE
■To prevent damage to the
seat heaters and seat ventila-
tors
Do not put heavy objects that
have an uneven surface on the
seat and do not stick sharp
objects (needles, nails, etc.) into
the seat.
■To prevent 12-volt battery dis-
charge
Do not use the functions when the
hybrid system is off.
Heated steering wheel
Operating the seat heat-
ers

3625-1. Using the air conditioning system and defogger
lit)  Off
The level indicato r lights up during
operation.
Front
Rear (second outboard seats)
(if equipped)
■Operation condition
The power swit ch is in ON. 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 indicato r 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.
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)

3635-2. Using the interior lights
5
Interior features
5-2.Using the interior lights
Power switch illumination (P.234)
Front interior lights/personal lights
*1 (  P.364)
Shift lever light (if equipped)
Open tray light
*2 (if equipped)
Door courtesy lights
*1 (if equipped)
Console tray light
*2
Second row personal lights (Type A)*1 (  P.364)
Second row personal lights (Type B)
*1 (if equipped) ( P.364)
Third row interior light
*1 (  P.364)
Outer foot lights (if equipped)
*1: These lights turn on when a door is opened. When the shift lev er is in a
position other than P, these lights turn off.
*2: When the shift lever is in a pos ition other than P, the brightness of these
lights will reduce intensity.
Interior lights list
Location of the i nterior lights
A
B
C
D
E
F
G
H
I
J

3645-2. Using the interior lights
1Turns the lights on/off linked
to door positions
2 Turns the lights on
3 Turns the lights off
■Front
Turns the lights on/off
■Second row
Turns the lights on/off when the
personal/interior light main
switch is in the “DOOR” position.
When a door is opened while the
personal/interior light main switch is
in the “DOOR” position, the lights
turn on. When the personal/interior light
main switch is in th
e off position,
the second row personal lights will
not turn on even if the switch is on.
When the personal/interior light
main switch is in th e on position,
the second row personal lights will
turn on even if the switch is off.
Type A
Type B (if equipped)
1 Turns the door position on
The rear interior light turns on/off
Operating the per-
sonal/interior light main
switch
Operating the personal
lights
Third row interior light

3655-2. Using the interior lights
5
Interior features
together the front interior lights.
When a door is opened while the
front and rear interior light door
position is on, the lights turn on.
2Turns the light on
■Illuminated entry system
The lights automati cally turn on/off
according to the power switch
mode, the presence of the elec-
tronic key, whether the doors are
locked/unlocked, and whether the
doors are opened/closed.
■To prevent the 12-volt battery
from being discharged
If the interior lights remain on when
the power switch is turned to OFF,
the lights will go off automatically
after 20 minutes.
■The interior lights will turn on
automatically when
If any of the SRS airbags deploy
(inflate) or in the event of a strong
rear impact, the interior lights will
turn on automatically.
The interior lights will turn off auto-
matically after approximately 20
minutes.
The interior lights can be turned off
manually. However, in order to help
prevent further collisions, it is rec-
ommended that they be left on until
safety can be ensured.
(The interior lights may not turn on
automatically depending on the
force of the impact and conditions of
the collision.)
■Customization
Setting (e.g. the time elapsed before
the lights turn off) can be changed.
(Customizable features: P.549)
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the lights on longer
than necessary when the hybrid
system is off.

3665-3. Using the storage features
5-3.Using the storage features
Conversation mirror (P.370)
Open tray ( P.370)
Glove box ( P.367)
Door pockets ( P.370)
Bottle holders ( P.369)
Auxiliary storage (7-passenger models)
Cup holders ( P.368)
Console box ( P.367)
List of storage features
Location of the storage features
A
B
C
D
E
F
G
H