2021 TOYOTA HIGHLANDER HYBRID ECU

1313-2. Opening, closing and locking the doors
3
Before driving
HIGHLANDER HV_U
3-2.Opening, closing and locking the doors
■Smart key system
Carry the electronic key to
enable this function.
1 Grip the driver’s door handle
to unlock the door. Holding
the driver’s door handle for
approximately 2 seconds
unlocks all the doors. Grip
the front passenger’s door
handle to unlock all the
doors.
*
Make sure to touch the sensor on
the back of the handle.
The doors cannot be unlocked for 3
seconds after the doors are locked.
*: The door unlock settings can be
changed. ( P.131, 530)
2 Touch the lock sensor (the
indentation on the upper part of the front door handle) to
lock all the doors.
Check that the d
oor is securely
locked.
■Wireless remote control
1 Locks all the doors
Check that the d oor is securely
locked.
2 Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the button
again within 5 seconds unlocks the
other doors.
Press and hold to open the win-
dows
*1 and moon roof*1, 2
*1
: This setting must be customized at your Toyota dealer.
*2: If equipped
■Switching the door unlock func-
tion
It is possible to set which doors the
entry function unlocks using the
wireless remote control.
1 Turn the power switch off.
2 When the indicator light on the
key surface is not on, press and
hold , or for
approximately 5 seconds while
pressing and holding .
The setting changes each time an
operation is per formed, as shown
below. (When changing the setting
Side doors
The vehicle can be locked
and unlocked using the
entry function, wireless
remote control or door lock
switches.
Unlocking and locking the
doors from the outside

1323-2. Opening, closing and locking the doors
HIGHLANDER HV_Ucontinuously, release the buttons,
wait for at least 5 seconds, and
repeat step
2.)
For vehicles with an alarm: To pre-
vent unintended triggering of the
alarm, unlock the doors using the
wireless remote control and open
and close a door once after the set-
tings have been changed. (If a door
is not opened within 60 seconds
after is press ed, the doors will
be locked again an d the alarm will
automatically be set.)
In case that the alarm is triggered,
immediately stop the alarm. ( P. 8 1 )
■Impact detection door lock
release system
In the event that t he vehicle is sub-
ject to a strong impact, all the doors
are unlocked. Depending on the
force of the impact or the type of
accident, however, the system may
not operate.
■Operation signals
A buzzer sounds and the emer-
gency flashers flash to indicate that
the doors have been
locked/unlocked. (Locked: Once;
Unlocked: Twice)
A buzzer sounds to indicate that the
windows and the moon roof
* or pan-
oramic moon roof* are operating.
*: If equipped
■Security feature
If a door is not opened within
approximately 60 s econds after the
vehicle is unlocked, the security fea-
ture automatically locks the vehicle
again.
■When the door cannot be
locked by the lock sensor on
the surface of the front door
handle
If the door will not lock even when
the topside sensor area is touched,
try touching both the topside and
underside sensor areas at the same
time.
When gloves are being worn,
remove the gloves.
■Door lock buzzer
If an attempt to lock the doors using
the smart key system is made when
a door is not fully closed, a buzzer
will sound continuo usly for 5 sec-
onds. Fully close the door to stop
the buzzer, and lock the doors
again.
■Setting the alarm (if equipped)
Locking the doors will set the alarm
system. ( P. 8 1 )
Multi-informa-
tion display/BeepUnlocking func- tion
Exterior: Beeps 3 times
Interior: Pings once
Holding the
driver’s door
handle unlocks
only the driver’s
door.
Holding the front
passenger’s
door handle
unlocks all the
doors.
Exterior: Beeps twice
Interior: Pings once
Holding either
front door handle
unlocks all the
doors.

1363-2. Opening, closing and locking the doors
HIGHLANDER HV_U
■Smart key system
Carry the electronic key to
enable this function.
WARNING
●Do not allow a child to open or
close the back door.
Doing so may cause the back
door to move unexpectedly, or
cause the child’s hands, arms,
head, or neck to be caught by the
closing back door.
■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.
●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 luggage com-
partment.
●When closing the back door,
take extra care to prevent your
fingers, etc., from being caught.
●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
spindle (
P.143) to close the
power back door, and do not
hang on the back door spindle.
Doing so may cause hands to be
caught or the back door spindle to
break, causing an accident.
●If a heavy objec t is attached to
the back door, it may suddenly
shut again after being opened,
causing someone’s hands,
arms, head or neck to be caught
and injured. Do not attach any
accessories other than genuine
Toyota parts to the back door.
Unlocking and locking the
back door from the out-
side

1373-2. Opening, closing and locking the doors
3
Before driving
HIGHLANDER HV_U
1Unlocks all the doors
The doors cannot be unlocked for 3
seconds after the doors are locked.
2Locks all the doors
Check that the door is securely
locked.
■Wireless remote control
 P. 1 3 1
■Operation signals
 P. 1 3 2
■Door lock switches
 P. 1 3 4
■Opening/closing the back
door using the wireless
remote control
Press and hold the switch.
Pressing the switch while the back
door is opening/closing will stop the
operation. Pressing and holding the
switch again will operate the back
door in the opposite direction.
■Opening/closing the back
door using the power back
door switch on the instru-
ment panel
Press and hold the switch.
Unlock the back door before oper-
ating.
Pressing the switch while the back
door is opening/cl osing will stop the
operation. Pressing and holding the
switch again will operate the back
door in the opposite direction.
■Opening the back door
using the back door opener
switch
When the back door is
unlocked: Press the back door
opener switch.
When the back door is locked:
While carrying the electronic key
on your person, press the back
door opener switch.
Unlocking and locking the
back door from the inside
Opening/closing the back
door

1423-2. Opening, closing and locking the doors
HIGHLANDER HV_U
●When luggage, etc. is set in or
removed from the luggage com-
partment from outside of the vehi-
cle.
●If accessories or a vehicle cover is
installed/removed near the rear
bumper.
●When snow attached to the inner
side of the rear bumper melts.
To prevent unintentional operation,
turn the kick sensor operation set-
ting off. ( P.530)
■When reconnecting the 12-volt
battery
To enable the power back door to
operate properly, close the back
door manually.
■Customization
Some functions can be customized.
(  P.530)
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 get fingers caught or any-
thing 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 disabled.
■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 power back
door is operating, the back door
will stop operating. The back
door must then be operated
manually. Take extra care in this
situation, as the back door may
open or close suddenly.
●If the operating conditions of the
power back door (
P.140) are
no longer met, a buzzer may
sound and the back door may
stop opening or closing. The
back door must then be oper-
ated manually. Take extra care
on an incline in this situation, as
the back door may move sud-
denly.
●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 must
then be operated manually.
Take extra care in this situation,
as the stopped back door may
suddenly open or close, causing
an accident.
• When the back door contacts an obstacle

1483-2. Opening, closing and locking the doors
HIGHLANDER HV_U• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that
emit radio waves) are being used
nearby
●When carrying the electronic key
together with the following devices
that emit radio waves
• Portable radio, cellular phone, cordless phone or other wireless
communication devices
• Another electronic key or a wire- less key that emits radio waves
• Personal computers or personal
digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic con-
tent or metallic objects are
attached to the rear window
●When the electronic key is placed
near a battery charger or elec-
tronic devices
●When the vehicle is parked in a
pay parking spot where radio
waves are emitted
■Note for the entry function
●Even when the electronic key is
within the effective range (detec-
tion areas), the system may not
operate properly in the following
cases:
• The electronic key is too close to the window or outside door han-
dle, near the ground, or in a high
place when the doors are locked
or unlocked.
• The electronic key is on the instru-
ment panel, luggage compart-
ment, floor, or in the door pockets
or glove box when the hybrid sys-
tem is started or power switch
modes are changed.
●Do not leave the electronic key on
top of the instrument panel or near
the door pockets when exiting the
vehicle. Depending on the radio
wave reception conditions, it may
be detected by the antenna out- side the cabin and the door will
become lockable from the outside,
possibly trapping the electronic
key inside the vehicle.
●As long as the electronic key is
within the effective range, the
doors may be locked or unlocked
by anyone. However, only the
doors detecting the electronic key
can be used to unlock the vehicle.
●Even if the electro
nic key is not
inside the vehicle, it may be possi-
ble to start the hybrid system if the
electronic key is near the window.
●The doors may unlock or lock if a
large amount of water splashes on
the door handle, such as in the
rain or in a car wash when the
electronic key is within the effec-
tive range. (The doors will auto-
matically be locked after
approximately 60 seconds if the
doors are not opened and closed.)
●If the wireless remote control is
used to lock the doors when the
electronic key is near the vehicle,
there is a possib ility that the door
may not be unlocked by the entry
function. (Use the wireless remote
control to unlock the doors.)
●Touching the door lock or unlock
sensor while wearing gloves may
prevent lock or unlock operation.
●When the lock operation is per-
formed using the lock sensor, rec-
ognition signals will be shown up
to two consecutive times. After
this, no recognition signals will be
given.
●If the door handle becomes wet
while the electronic key is within
the effective range, the door may
lock and unlock repeatedly. In that
case, follow the following correc-
tion procedures to wash the vehi-
cle:
• Place the electronic key in a loca- tion 6 ft. (2 m) or more away from
the vehicle. (Take care to ensure
that the key is not stolen.)
• Set the electronic key to bat-

1543-3. Adjusting the seats
HIGHLANDER HV_U
WARNING
●Manual seat only: After adjust-
ing the seat, make sure that the
seat is locked in position.
Rear seats
The seat position and seat-
back angle can be adjusted,
and the seatback can be
folded by operating a seat-
back angle adjustment
lever.
WARNING
■Seat adjustment
●To reduce the risk of sliding
under the lap belt 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 for ces directly to
the abdomen, or your neck may
contact the shoulder belt, increas-
ing 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.
●Be careful that the seat does
not hit passengers or luggage.
●Be careful not to get your hands
or feet caught in the seat.
■After adjusting or returning
the seats
Observe the following precau-
tions. Failure to do so may result
in death or serious injury.
●Make sure that the seat and
seatback are securely locked in
position by lightly rocking them
back and forth.
●Check that the seat belts are
not twisted or caught in the
seatback.

1573-3. Adjusting the seats
3
Before driving
HIGHLANDER HV_U
2Stow the second seat belt
buckles.
3 Pass the outer seat belts
through the seat belt hangers
and secure the seat belt
plates.
This prevents the shoulder belts
from being damaged.
4Lower the head restraints to
the lowest position. ( P.162)
■Folding down the second
seats
1 Pull the seatback angle
adjustment lever or to
tilt the seatback forward.
Each seatback may be folded sep- arately.
2
Pull the seatback folding
lever to unlock the seatback.
The seatback will be folded
down.
■After folding down the sec-
ond seats
Slide the folded second seats
backward until they lock.