2021 TOYOTA SIENNA HYBRID warning

1503-2. Opening, closing and locking the doors
Back door
The back door can be
locked/unlocked and
opened/closed by the fol-
lowing procedures.
WARNING
■Before driving
Make sure that the back door is
fully closed.
If the back door is not fully closed,
it may open unexpectedly while
driving and hit near-by objects or
luggage in the luggage compart-
ment may be thro wn out, causing
an accident.
■When children ar e in the vehi-
cle
Observe the following precau-
tions. Failure to do so may result
in death or serious injury.
●Do not allow child ren to play in
the luggage compartment.
If a child is accidentally locked
in the luggage compartment,
they could get heat exhaustion
or other injuries.
●Do not allow a child to open or
close the back door.
Doing so may cause the back
door to operate unexpectedly,
or cause the child’s hands,
head, or neck to be caught by
the closing back door.
■Caution while driving
●Keep the back door closed
while driving.
If the back door is left open, it
may hit near-by objects or lug-
gage in the luggage compart-
ment may be thrown out,
causing an accident.
●Never let anyone sit in the lug-
gage compartment.
In the event of sudden braking,
sudden swerving or a collision,
they are susceptible to death or
serious injury.
■Back door handle
Do not hang any object to the
back door handle.
If any object is hung, the back
door may suddenly shut, causing
parts of the body to be caught,
resulting in dea th or serious
injury.
■Operating the back door
Observe the following precau-
tions.
Failure to do so may cause parts
of the body to be caught, resulting
in death or serious injury.
●Remove any heavy loads, such
as snow and ice, from the back
door before opening it. Failure
to do so may cause the back
door to suddenly shut again
after it is opened.
●When opening or closing the
back door, thoroughly check to
make sure the surrounding area
is safe.
●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.
●Use caution when opening or
closing the back door in windy
weather as it may move
abruptly in strong wind.

1513-2. Opening, closing and locking the doors
3
Before driving
■Using the entry function (if
equipped)
Carry the electronic key to
enable this function.
WARNING
●Vehicles without power back
door: The back door may sud-
denly shut if it is not opened
fully. It is more difficult to open
or close the ba ck door on an
incline than on a level surface,
so beware of the back door
unexpectedly opening or closing
by itself. Make sure that the
back door is fully open and
secure before using the luggage
compartment.
●Vehicles with power back door:
The back door may suddenly
shut if it is not opened fully,
while on a steep incline. Make
sure that the back door is
secured before using the lug-
gage compartment.
●When closing the back door,
take extra care to prevent your
fingers, etc. from being caught.
●Vehicles without power back
door: When closing the back
door, make sure to press it
lightly on its outer surface. If the
back door handle is used to fully
close the back door, it may
result in hands or arms being
caught.
●Do not pull on the back door
damper stay (vehicles without
power back door) ( P.153) or
back door spindle (vehicles with
power back door) ( P.161) to
close the back door, and do not
hang on the back door damper
stay (vehicles without power
back door) or back door spindle
(vehicles with power back door).
Doing so may cause hands to
be caught or the back door
damper stay (vehicles without
power back door) or back door
spindle (vehicles with power
back door) to break, causing an
accident.
●Do not attach a heavy acces-
sory part to the back door. If a
bicycle carrier or similar heavy
object is attached to the back
door, it may suddenly shut
again after being opened, caus-
ing someone’s hands, head or
neck to be caught and injured.
NOTICE
■Operating the back door
Do not attach a heavy accessory
part to the back d oor. Doing so
may cause the back door to be
damaged.
Unlocking and locking the
back door from the out-
side

1533-2. Opening, closing and locking the doors
3
Before driving
2Remove the bolts with a socket
wrench of an appropriate size.
3 Remove the inside panel.
4 Move the lever.
■Open door warning buzzer
 P.136
■Using the wireless remote
control
Press and hold the switch.
The power back door automatically
opens/closes.
Pressing the switch again while the
power back door is operating will
NOTICE
■Back door damper stays
The back door is equipped with
damper stays that hold the back
door in place.
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the back door damper stay,
resulting in malfunction.
●Do not attach any foreign
objects, such as stickers, plastic
sheets, or adhesives to the
damper stay rod.
●Do not touch the damper stay
rod with gloves or other fabric
items.
●Do not attach any accessories
other than genuine Toyota parts
to the back door.
●Do not place your hand on the
damper stay or apply lateral
forces to it.
Opening/closing the back
door (vehicles with power
back door)

1603-2. Opening, closing and locking the doors
■Customization
Settings (e.g. power back door
opening angle) can be changed.
(Customizable features: P.546)
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 obstacles 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.
●In the following si tuations, 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 activate the jam
protection function.

1613-2. Opening, closing and locking the doors
3
Before driving
WARNING
●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 obstacles or any-
thing that could cause any of
your belongings to get caught.
●When putting your foot near the
lower center par t 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 eff ective 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.
●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 t o malfunction.

1653-2. Opening, closing and locking the doors
3
Before driving
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 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 is 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 ala rm sounds, cir-
cumstances and c orrection proce-
dures are as follows.
●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 ord er 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 approximately 11.5 ft.
(3.5 m) of th e 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 cannot be unlocked at
any doors except the driver’s
door. In this case, take hold of the
driver’s door handle, or use the
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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.

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.