2023 TOYOTA SIENNA HYBRID Owners Manual

1593-2. Opening, closing and locking the doors
3
Before driving
●When an accessory is installed to
the rear bumper
If an accessory has been installed,
turn the Hands Free Power Back
Door (kick sensor) operation setting
off.
■Preventing unintentional opera-
tion of the Hands Free Power
Back Door (vehicles with Hands
Free Power Back Door)
When an electronic key is in the
operation range, the Hands Free
Power Back Door may operate unin-
tentionally, so be careful in the fol-
lowing situations.
●When a large amount of water is
applied to the rear bumper, such
as when the vehicle is being
washed or in heavy rain
●When dirt is wiped off the rear
bumper
●When a small animal or small
object, such as a ball, moves
under the rear bumper
●When an object is moved from
under the rear bumper
●If someone is swinging their legs
while sitting on the rear bumper
●If the legs or another part of some-
one’s body contacts the rear
bumper while passi ng by the vehi-
cle
●When the vehicle is parked near
an electrical noise source which
affects the sensitivity of the Hands
Free Power Back Door, such as a
pay parking spot , gas station,
electrically heated road, or fluo-
rescent light
●When the vehicle is near a TV
tower, electric power plant, radio
station, large display, airport or
other facility that generates strong
radio waves or electrical noise
●When the vehicle is parked in a
place where objects such as
plants are near the rear bumper
●If luggage, etc. is s et near the rear bumper
●If accessories or a vehicle cover is
installed/removed near the rear
bumper
●When the vehicle is being towed
To prevent unintentional operation,
turn the Hands F ree Power Back
Door (kick sensor) operation setting
off. ( P.112)
■If the back door opener is inop-
erative
The back door can be unlocked
from the inside.
1 Remove the both side covers.
2 Remove the bolts with a socket
wrench of an appropriate size.
3 Remove the inside panel.
4 Move the lever.

1603-2. Opening, closing and locking the doors
■Customization
Settings (e.g. power back door
opening angle) can be changed.
(Customizable features: P.544)
WARNING
■Back door closer
●In the event that the back door
is left slightly open, the back
door closer will automatically
close it to the fully closed posi-
tion. It takes several seconds
before the back door closer
begins to operate. Be careful
not to catch fingers or anything
else in the back door, as this
may cause bone fractures or
other serious injuries.
●Use caution when using the
back door closer as it still oper-
ates when the power back door
system is canceled.
■Power back door
Observe the following precautions
when operating the power back
door.
Failure to do so may cause death
or serious injury.
●Check the safety of the sur-
rounding area to make sure
there are no obs tacles or any-
thing that could cause any of
your belongings to get caught.
●If anyone is in the vicinity, make
sure they are safe and let them
know that the back door is
about to open or close.
●If the power back door system is
disabled while the back door is
operating automatically, the
automatic operation is stopped.
The back door then has to be
operated manually. Take extra
care when on an incline, as the
back door may open or close
unexpectedly.
●If the operating conditions of the
power back door are no longer
met, a buzzer may sound and
the back door may stop opening
or closing. The ba ck door then
has to be operated manually.
Take extra care when on an
incline, as the back door may
open or close abruptly.
●On an incline, the back door
may suddenly shut after it
opens. Make sure the back door
is fully open and secure.

1613-2. Opening, closing and locking the doors
3
Before driving
WARNING
●In the following situations, the
power back door may detect an
abnormality and automatic
operation may be stopped. In
this case, the back door has to
be operated manually. Take
extra care when on an incline,
as the back door may open or
close abruptly.
• When the back door contacts an obstacle
• When the 12-volt battery volt- age suddenly drops, such as
when the power switch is turned
to ON or the hybrid system is
started during automatic opera-
tion
■Jam protection function
Observe the following precau-
tions.
Failure to do so may cause death
or serious injury.
●Never use any part of your body
to intentionally a ctivate the jam
protection function.
●The jam protection function may
not work if something gets
caught just before the back door
fully closes. Be careful not to
catch fingers or anything else.
●The jam protection function may
not work depending on the
shape of the object that is
caught. Be careful not to catch
fingers or anything else.
■Hands Free Power Back Door
(if equipped)
Observe the following precautions
when operating the Hands Free
Power Back Door.
Failure to do so may cause death
or serious injury.
●Check the safety of the sur-
rounding area to make sure
there are no obs tacles or any-
thing that could cause any of
your belongings to get caught.
●When putting your foot near the
lower center part of the rear
bumper and moving it from the
rear bumper, be careful not to
touch the exhaust pipes until
they have cooled down suffi-
ciently, as touching hot exhaust
pipes can cause burns.
●Do not leave the electronic key
within the effective range
(detection area) of the luggage
compartment.
NOTICE
■Back door spindles
The back door is equipped with
spindles that hold the back door in
place.
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the back door spindle,
resulting in malfunction.
●Do not attach any foreign
objects, such as stickers, plastic
sheets, or adhesives to the
spindle rod.

1623-2. Opening, closing and locking the doors
NOTICE
●Do not touch the spindle rod
with gloves or other fabric items.
●Do not attach heavy accesso-
ries to the back door. When
attaching, ask your Toyota
dealer for details.
●Do not place your hand on the
spindle or apply lateral forces to
it.
■To prevent back door closer
malfunction
Do not apply excessive force to
the back door while the back door
closer is operating. Applying
excessive force may cause the
back door closer to malfunction.
■To prevent damage to the
power back door
●Make sure that there is no ice
between the back door and
frame that would prevent move-
ment of the back door. Operat-
ing the power back door when
excessive load is present on the
back door may cause a mal-
function.
●Do not apply excessive force to
the back door while the power
back door is operating.
●Take care not to damage the
sensors (installed on the right
and left edges of the power
back door) with a knife or other
sharp object. If the sensor is
disconnected, the power back
door will not close automati-
cally.
■Close & lock function
When closing the power back
door using the close & lock func-
tion, a different b uzzer than the
normal one will so und before the
operation begins.
To check that the operation has
started correctly, check that a dif-
ferent buzzer than the normal one
has sounded.
Additionally, when the power back
door is fully closed and locked,
operation signals will indicate that
all of the doors have been locked.
Before leaving the vehicle, make
sure that the operation signals
have operated and that all of the
doors are locked.
■Hands Free Power Back Door
precautions (if equipped)
The kick sensor is located behind
lower center p art of the rear
bumper. Observe the following to
ensure that the Hands Free
Power Back Door function oper-
ates properly:
●Keep the lower c enter part of
the rear bumper clean at all
times.
If the lower center part of the
rear bumper is dirty or covered
with snow or mud, the kick sen-
sor may not operate. In this situ-
ation, clean off th e dirt or snow,
move the vehicle from the cur-
rent position and then check if
the kick sensor operates.
If it does not o perate, have the
vehicle inspected by your
Toyota dealer.
●Do not apply coatings that have
a rain clearin g (hydrophilic)
effect, or other coatings, to the
lower center part of the rear
bumper.

1633-2. Opening, closing and locking the doors
3
Before driving
The power back door system can be enabled/disabled on the
multi-information display.
(
P.112)
If the power back door is dis-
abled, it will remain disabled
unless it is enabled on the multi-
information display. (It will not
be enabled even when the
power switch is turned off and
then back to ON.)
The Hands Free Power Back
Door (kick sensor) can be
enabled/disabled on the multi-
information display. ( P.112)
If the Hands Free Power Back
Door is disabled, it will remain
disabled unless it is enabled on
the multi-information display. (It
will not be enabled even when
the power switch is turned off
and then back to ON.)
The power back door open posi-
tion can be adjusted by using
the power back door switch on
the back door or on the multi-
information display.
NOTICE
●Do not park the vehicle near
objects that may move and con-
tact the lower center part of the
rear bumper, such as grass or
trees.
If the vehicle has been parked
for a while near objects that
may move and contact the
lower center par t of the rear
bumper, such as grass or trees,
the kick sensor may not oper-
ate. In this situation, move the
vehicle from the current position
and then check if the kick sen-
sor operates. If it does not oper-
ate, have the vehicle inspected
by your Toyota dealer.
●Do not subject the kick sensor
or its surrounding area to a
strong impact.
If the kick sensor or its sur-
rounding area has been sub-
jected to a strong impact, the
kick sensor may not operate
properly. If the kick sensor does
not operate in the following situ-
ations, have the vehicle
inspected by your Toyota
dealer.
• The kick sensor or its surround- ing area has been subjected to
a strong impact.
• The lower center part of the rear bumper is scratched or dam-
aged.
●Do not disassemble the rear
bumper.
●Do not attach an accessory con-
taining metal or apply metallic
paint to the rear bumper.
Canceling the power back
door system (vehicles
with power back door)
Canceling the Hands Free
Power Back Door (vehi-
cles with kick sensor)
Adjusting the open posi-
tion of the back door
(vehicles with power back
door)

1643-2. Opening, closing and locking the doors
■Using the multi-information
display
The power back door open posi-
tion can be adjusted on the
multi-information display.
( P.112)
■Using the power back door
switch on the back door
1 Stop the back door in the
desirable position. ( P.153)
2 Press and hold the power
back door switch on the back
door for approximately 2 sec-
onds.
When the settings are completed,
the buzzer sounds 4 times.
When opening the back door the
next time, the back door will stop at
that position.
■Canceling the adjusted open
position of the back door
Press and hold the power back door
switch on the back door for approxi-
mately 7 seconds.
After the buzzer sounds 4 times, it
sounds twice more. When the
power back door do es the opening
operation the next time, the door will
open to the initial settings position.
■Customization
The opening position can be set
with the multi-info rmation display.
(  P.544)
Priority for the stop position is given
to the last position set by either the
power back door switch on the back
door or multi-information display.

1653-2. Opening, closing and locking the doors
3
Before driving
■Antenna location
Antennas outside the cabin
(vehicles with entry function)
Antenna outside the luggage compartment (vehicles with entry
function)
Antennas inside the cabin
■Effective range
(areas within
which the electronic key is
detected)
When locking or unlocking the
doors (vehicles with entry func-
tion)
The system can be operated when
the electronic key is within about 2.3
ft. (0.7 m) of either of the outside
front door handles or back door
opener switch. (Only the doors
detecting the key can be operated.)
When starting the hybrid system
or changing power switch modes
The system can be operated when
the electronic key i s inside the vehi-
cle.
■If an alarm sounds or a warning
message is displayed
An alarm sounds and warning mes-
sage displays shown on the multi-
information display are used to pro-
tect against unexpected accidents
or theft of the vehicl e resulting from
erroneous operation. When a warn-
ing message is displayed, take
appropriate measures based on the
displayed message.
When only an alarm sounds, cir-
cumstances and correction proce-
dures are as follows.
Smart key system
The following operations
can be performed simply by
carrying the electronic key
on your person, for example
in your pocket. The driver
should always carry the
electronic key.
 Locks and unlocks the front
doors (vehicles with entry
function) ( P.132)
 Locks and unlocks the slid-
ing doors (vehicles with
entry function) ( P.138)
 Locks and unlocks the back
door (vehicles with entry
function) ( P.151)
 Starts the hybrid system
( P.234)
A
B
C
A
B

1663-2. Opening, closing and locking the doors
●When an exterior alarm sounds
once for 5 seconds
●When an interior alarm pings con-
tinuously
■Battery-saving function (vehi-
cles with entry function)
The battery-saving function will be
activated in order to prevent the
electronic key battery and the 12-
volt battery from being discharged
while the vehicle is not in operation
for a long time.
●In the following situations, the
smart key system may take some
time to unlock the doors.
• The electronic key has been left in an area of approxi mately 11.5 ft.
(3.5 m) of the outside of the vehi-
cle for 2 minutes or longer.
• The smart key system has not been used for 5 days or longer.
●If the smart key system has not
been used for 14 days or longer,
the doors canno t be unlocked at
any doors except the driver’s
door. In this case, take hold of the
driver’s door handle, or use the wireless remote c
ontrol or the
mechanical key, to unlock the
doors.
■Turning an electronic key to
battery-saving mode
●When battery-saving mode is set,
battery depletion is minimized by
stopping the electronic key from
receiving radio waves.
Press twice while pressing
and holding .
Confirm that the ele ctronic key indi-
cator flashes 4 times.
While the battery-saving mode is
set, the smart key system cannot be
used. To cancel the function, press
any of the electronic key buttons.
●Electronic keys that will not be
used for long periods of time can
be set to the battery-saving mode
in advance.
■Conditions affecting operation
The smart key system uses weak
radio waves. In the following situa-
tions, the communication between
the electronic key and the vehicle
may be affected, preventing the
smart key system, wireless remote
control and immobilizer system from
operating properly.
(Ways of coping: P.502)
●When the electronic key battery is
depleted
●Near a TV tower, electric power
plant, gas station, radio station,
large display, airpo rt or other facil-
ity that generates strong radio
waves or electrical noise
SituationCorrection pro-
cedure
An attempt was
made to lock the
vehicle while a
door was open.Close all of the
doors and lock
the doors again.
SituationCorrection pro-cedure
The power
switch was
turned to ACC
while the driver’s
door was open
(or the driver’s
door was opened
while the power
switch was in
ACC).
Turn the power
switch to OFF
and close the
driver’s door.