2021 TOYOTA SIENNA HYBRID Owners Manual (in English)

1683-2. Opening, closing and locking the doors
■To operate the system properly
Make sure to carry the electronic
key when operating the system. Do
not get the electronic key too close
to the vehicle when operating the
system from the ou tside of the vehi-
cle.
Depending on the position and hold-
ing condition of the electronic key,
the key may not be detected cor-
rectly and the system may not oper-
ate properly. (The alarm may go off
accidentally, or the door lock pre-
vention may not operate.)
■If the smart key system does
not operate properly
●If the doors cannot be locked or
unlocked, perform the following.
• Bring the electronic key close to
the door handle and perform a
lock or unlock operation.
• Use the wireless remote control.
If the doors cannot be locked or
unlocked by perform the above, use
the mechanical key. ( P.504)
However, if the mechanical key is
used while the alarm system is set,
the warning will sound. ( P.83)
●If the hybrid system cannot be
started, refer to P.505
■Customization
Settings (e.g. smart key system)
can be changed.
(Customizable features: P.544)
If the smart key system has been
deactivated in a customized setting,
refer to the explanations for the fol-
lowing operations.
●Locking and unlocking the doors:
Use the wireless remote control or
mechanical key. ( P.132, 504)
●Starting the hybrid system and
changing power switch modes:
P.505
●Stopping the hybrid system:
P.233
WARNING
■Caution regarding interfer-
ence with electronic devices
●People with implantable car-
diac pacemakers, cardiac
resynchronization therapy-
pacemakers or implantable car-
dioverter defibrillators should
maintain a reasonable distance
between themselves and the
smart key system antennas.
( P.164)
The radio waves may affect the
operation of such devices. If
necessary, the e ntry function
can be disabled. Ask your
Toyota dealer for details, such
as the frequency of radio waves
and timing of the emitted radio
waves. Then, consult your doc-
tor to see if you should disable
the entry function.
●Users of any electrical medical
device other than implantable
cardiac pacemakers, cardiac
resynchronization therapy-
pacemakers or implantable car-
dioverter defibrillators should
consult the manufacturer of the
device for information about its
operation under the influence of
radio waves.
Radio waves could have unex-
pected effects on the operation
of such medical devices.
Ask your Toyota dealer for details
on disabling the entry function.

1693-3. Adjusting the seats
3
Before driving
3-3.Adjusting the seats
Manual seat (passenger’s
side only)Seat position adjustment
lever
Seatback angle adjustment
lever
Power seatSeat position adjustment
switch
Seatback angle adjustment
switch
Seat cushion (front) angle
adjustment switch (driver’s
side only)
Vertical height adjustment
switch (driver’s side only)
Lumbar support adjustment
switch (driver’s side only) (if
equipped)
Pelvic support adjustment
(driver’s side only) (if
equipped)
■When adjusting the seat
●Make sure that any surrounding
passengers or objects are not
contacting the seat.
●Take care when adjusting the seat
so that the head restraint does not
touch the ceiling.
Front seats
The seats can be adjusted
(longitudinally, vertically,
etc.). Adjust the seat to
ensure the correct driving
posture.
Adjustment procedure
A
B
A
B
C
D
E
F

1703-3. Adjusting the seats
■Power easy access system (if
equipped)
The driver’ seat and steering wheel
move in accordance with power
switch mode and the driver’ seat
belt condition. ( P.178)
■Jam protection function (vehi-
cles with driving position mem-
ory)
While the driving position is recalled
or the power easy access system is
operating, if an object is stuck
behind the front sea t, the front seat
will stop and then slightly move for-
ward.
When the jam protection function
operates, the seat stops at a posi-
tion other than the set seat position.
Check the seat position.
WARNING
■When adjusting the seat posi-
tion
●Take care when adjusting the
seat position to ensure that
other passengers are not
injured by the moving seat.
●Do not put your hands under the
seat or near the moving parts to
avoid injury.
Fingers or hands may become
jammed in the seat mechanism.
●Make sure to leave enough
space around the feet so they
do not get stuck.
■Seat adjustment
●To reduce the risk of sliding
under the lap bel t during a colli-
sion, do not recline the seat
more than necessary.
If the seat is too reclined, the lap
belt may slide past the hips and
apply restraint forces directly to
the abdomen, or your neck may
contact the shoulder belt,
increasing the risk of death or
serious injury in the event of an
accident.
Adjustments should not be
made while driving as the seat
may unexpectedly move and
cause the driver to lose control
of the vehicle.
●Manual seat only: After adjust-
ing the seat, make sure that the
seat is locked in position.

1713-3. Adjusting the seats
3
Before driving
■Second seat
Except ottoman seat (7-pas-
senger models)Seatback angle adjustment
lever
Seat position adjustment
lever
Except ottoman seat (8-pas-
senger models)Seatback angle adjustment
lever
Seat position adjustment
lever
Ottoman seatSeatback angle adjustment
lever
Seat position adjustment
lever
Ottoman angle adjustment
Rear seats
Reclining adjustments and
folding the seatbacks can
be done with lever opera-
tion.
Adjustment procedure
A
B
A
B
A
B
C

1723-3. Adjusting the seats
lever
■Third seats
Seatback angle adjustment
strap
■When using the ottoman seats
(vehicles with o ttoman seats)
Adjust the angle of the cushion
while pulling the ottoman angle
adjustment lever.
If necessary, sli de the cushion to
adjust the ottoman to the desired
position.
WARNING
■Seat adjustment
●Be careful that the seat does
not hit passengers or luggage.
●To reduce the risk of sliding
under the lap bel t during a colli-
sion, do not recline the seat
more than necessary. If the seat
is reclined too far, the lap belt
may slide past the hips and
apply restraint forces directly to
the abdomen, or your neck may
contact the shoulder belt,
increasing the risk of death or
serious injury in the event of an
accident.
Adjustments should not be made
while driving as the seat may
unexpectedly move and cause
the driver to lose control of the
vehicle.
■When adjusting the seat posi-
tion or the ottoman (vehicles
with Ottoman seats)
Make sure to leave enough space
around the feet so as not to get
them caught.
■When using the ottoman
(vehicles with Ottoman seats)
●Do not sit on the ottoman. Seat
belts may not be properly worn
which may result in death or
serious injury.
●Stow the ottoman when you get
in and out of the vehicle or when
the ottoman is n ot in use to
avoid stumbling over it.
●Do not use the ottoman feature
when the vehicle is in motion.
The ottoman feature should
only be used when the vehicle
is stationary. If the ottoman fea-
ture is in use during an accident
the lap belt may slide past the
hips. This could also result in
restraint forces being applied to
the abdomen or your neck may
contact the shoulder belt,
increasing the risk of death or
serious injury.

1733-3. Adjusting the seats
3
Before driving
■Getting in the vehicle
Pull the seatback angle adjust-
ment lever and fold down the
seatback. The cushion will tip
up. The seat can slide forward.
Move the seat to the frontmost
position.
■Getting out of the vehicle
Pull the strap and fold down the
seatback. The seat can slide for-
ward. The cushion will tip up.
Move the seat to the frontmost position.
Make sure that no passenger is
seated on the second seat before
pulling the strap.
■After passengers have
entered/exited the vehicle
Lift up the seatback. Either fold
cushion down or pull slide lever
to slide seat backward until it
locks.
1 Pull the lock release strap
and fold down the second
center seatback.
Make sure that the head restraint is
in the lowest position.
NOTICE
■To prevent an ottoman mal-
function (vehicles with Otto-
man seats)
●Do not place any objects in the
second passenger footwell that
could prevent the operation of
the ottoman.
●Do not place heavy luggage on
the ottoman.
●Do not place anything under the
ottoman when in use. There is a
possibility that something may
get caught and cause damage
when stowing the ottoman.
Moving a second seat for
third seat access
Removing the second
center seat (8-passenger
models)

1743-3. Adjusting the seats
2Pull the lock release strap in
front of the cushion to
release the rear latch.
3 Pull the lock release strap
under the seat to remove the
seat.
Retract the cushion leg.
4After detaching the second
center seat, remove it from
the vehicle or store it
securely in the luggage com-
partment.
1 Latch the buckles onto the
anchors.
The cushion leg opens by itself.
2Unfold the seatback and lock
it.
Make sure the seat is locked in
place by trying to shake the seat-
back and lift up the seat cushion.
■Before folding the third
seats
1 Fold the outside head
restraints and lower the cen-
ter head restraint to the low-
Installing the second cen-
ter seat (8-passenger
models)
Folding down the third
seats

1753-3. Adjusting the seats
3
Before driving
est position (P.182) and
stow the seat belt buckles.
2 Stow the center seat belt.
( P.38)
■Folding down the third seat-
backs
Pull the “TO RECLINE” strap
and fold down the seatback.
■Returning the third seat-
backs
Pull the “TO RECLINE” strap,
and raise the seatback and the
outside head restraints. Before stowing or returning third
seat, remove any items from the
floor area to prevent interfer-
ence with moving parts.
■Before stowing the third
seats
1 Lower the center head
restraint to the lowest posi-
tion ( P.182) and stow the
seat belt buckles.
2 Stow the center seat belt.
( P.38)
■Stowing the third seats
1 Pull the handle to move the
seat rearward. Then push the
seat down.
The outside head r estraints are
Stowing the third seats