2023 TOYOTA BZ4X key

1634-1. Key information
Owners Manual_USA_M42C01_en
4
Before driving
key inside the vehicle, leaving the
vehicle carrying the electronic key
on your person without turning the
power switch to O FF or other pas-
sengers from unintentionally taking
the key out of the vehicle, etc., a
message that prompts the user to
confirm the state of the electronic
key or power switch mode may be
shown on the multi -information dis-
play. In those cases, follow the
instructions on the display immedi-
ately.
■If “Key Battery Low Replace
Key Battery” is displayed on
the multi-information display
The electronic key has a low battery.
Replace the electronic key battery.
(  P.497)
■Replacing the battery
 P. 4 9 7
■Confirmation of the registered
key number
The number of keys already regis-
tered to the vehicle can be con-
firmed. Ask your Toyota dealer for
details.
■If “A New Key has been Regis-
tered Contact Your Dealer for
Details” is displayed on the
multi-information display
This message will be displayed
each time the driver’s door is
opened when the doors are
unlocked from the outside for
approximately 10 days after a new
electronic key has been registered.
If this message is displayed but you
have not had a new electronic key
registered, ask your Toyota dealer to
check if an unknow n electronic key
(other than those in your posses-
sion) has been registered.
NOTICE
■To prevent key damage
●Do not drop the keys, subject
them to strong shocks, or bend
them.
●Do not expose the keys to high
temperatures for long periods of
time.
●Do not get the keys wet or wash
them in an ultrasonic washer,
etc.
●Do not attach m etallic or mag-
netic materials to the keys or
place the keys close to such
materials.
●Do not disassemble the keys.
●Do not attach a s ticker or any-
thing else to the surface of the
electronic key.
●Do not place the keys near
objects that produce magnetic
fields, such as TVs, audio sys-
tems and induction cookers.
●Do not place the keys near
medical electrical equipment
such as low-frequency therapy
equipment or microwave ther-
apy equipment, and do not
receive medical attention with
the keys on your person.
■Carrying the electronic key
on your person
Carry the electronic key 3.9 in.
(10 cm) or more away from elec-
tric appliances that are turned on.
Radio waves emitte d from electric
appliances within 3.9 in. (10 cm)
of the electronic key may interfere
with the key, causing the key to
not function properly.

1644-1. Key information
Owners Manual_USA_M42C01_en
The electronic keys are
equipped with the following
wireless remote control:Locks all the doors ( P.167)
Unlocks all the doors
( P.167)
Opens the side windows
*1
( P.167)
Opens and closes the power
back door
*2 (  P.175)
Operates Remote Air Condi-
tioning System ( P.409)
Sounds the alarm ( P.164)
*1: These settings must be custom-
ized at your Toyota dealer.
*2: If equipped
■Theft deterrent panic mode
When is pressed for longer
than about 1 second, an alarm will
sound intermittently and the vehicle
lights will flash to deter any person
from trying to break into or damage
your vehicle.
To stop the alarm, press any button
on the electronic key.
■Conditions affecting operation
 P.188
To take out the mechanical key,
slide the release lever and
take the key out.
The mechanical key can only be
inserted in one direction, as the key
only has grooves on one side. If the
key cannot be inserted in a lock cyl-
inder, turn it over a nd re-attempt to
insert it.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical k ey together with
the electronic key. If the electronic
key battery is depleted or the entry
function does not operate properly,
you will need the mechanical key.
(  P.539)
NOTICE
■In case of a smart key system
malfunction or other key-
related problems
 P. 5 3 9
■When an electronic key is lost
 P. 5 3 9
Wireless remote control
Using the mechanical key

1654-1. Key information
Owners Manual_USA_M42C01_en
4
Before driving
■When required to leave the
vehicle’s key with a parking
attendant
Remove the mechanical key for
your own use and provide the atten-
dant with the electronic key only.
■If you lose your mechanical
keys
 P. 5 3 9
■If a wrong key is used
The key cylinder rotates freely to
isolate inside mechanism.
*: If equipped
■Free/open source software
information
This product contains Free/open
source software (FOSS).
License information and/or the
source code of this FOSS can be
obtained at th e following URL:
https://www.denso .com/global/en/op
ensource/dkey/toyota/
In order to use the Digital Key,
you need to install the Toyota
App, Register the Vehicle to the
customer’s Toyota App profile,
and subscribe to Remote Ser-
vices, and enroll in Digital Key
 A Digital Key can be used
when the smartphone and
server can communicate. The
Digital Key may become
unusable if the smartphone is
not connected to the Internet.
Be sure to carry the electronic
Digital key*
A smartphone can be used
instead of the electronic key
of the vehicle by installing
the dedicated Digital Key
App on a smartphone. Also,
Digital Key can be shared
with your family or friends
using the Digital Key App.
Digital key usage condi-
tions
Digital key precautions

1664-1. Key information
Owners Manual_USA_M42C01_en
key of the vehicle if traveling
to a location with unreliable
communications.
 If the smartphone battery is
depleted, the smartphone
cannot be used as Digital Key.
If the battery level is low, be
sure to charge the smart-
phone prior to going out.
 The Digital Key system is
related to the Smart key sys-
tem. If the Smart key system
has been deactivated in the
vehicle customization setting,
the Digital Key will also be
disabled.
 Depending on the radio wave
environment, the Digital Key
may not be able to be used.
P. 1 8 8
 When transferring vehicle
ownership, make sure to
delete the Digital Keys.
 If the vehicle is not operated
for 14 days or more, the Digi-
tal Key will not connect auto-
matically. Therefore, it may
take some time before the
system operates after a door
handle is touched.
 A part of the services may be
stopped for a certain period of
time due to server mainte-
nance. However, registered
Digital Keys can be used
during the maintenance.
 A smartphone with the Digital
Key App enabled will be able to lock and unlock the doors,
start the EV system and per-
form any other operations as
same as the electronic key of
the vehicle. Be especially
careful not to lose the smart-
phone or allow it to be stolen.
If the smartphone is lost or
stolen, contact your Toyota
dealer immediately.
 When taking your vehicle to a
Toyota dealer for an inspec-
tion or repairs, make sure to
bring an electronic key.

1674-2. Opening, closing and locking the doors
Owners Manual_USA_M42C01_en
4
Before driving
4-2.Opening, closing and locking the doors
■Using the entry function
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 (some models)
or rear door handle (some
models) 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.167)
2 Touch the lock sensor (the
indentation on the side of the
door handle) to lock the
doors.
Check that the d oor is securely
locked.
■Using the 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 side
windows.
*
*
: This setting must be customized at your Toyota dealer.
■Switching the door unlock func-
tion
It is possible to set which doors the
entry function unlocks using the
wireless remote control. Perform the
switching operation in the vehicle or
within approximately 3.2 ft. (1 m) of
the vehicle.
1 Turn the power switch to OFF.
Side doors
The vehicle can be locked
and unlocked using the
entry function, wireless
remote control, door lock
switches or inside lock but-
tons.
Unlocking and locking the
doors from the outside

1684-2. Opening, closing and locking the doors
Owners Manual_USA_M42C01_en2
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 performed, as shown
below. (When changing the setting
continuously, release the buttons,
wait for at least 5 seconds, and
repeat step 2.)
Vehicles with alarm: To prevent
unintended triggering of the alarm,
unlock the doors us ing the wireless
remote control and open and close
a door once after t he settings have
been changed. (If a door is not
opened within 60 seconds after
is pressed, the doors will be
locked again a nd the alarm will
automatically be set.) In a case that the alarm is triggered,
immediately stop the alarm. (
P. 6 9 )
■Locking the front doors from
the outside without a key
1 Move the inside l ock button to
the lock position. ( P.170)
2 Close the door.
The door cannot be locked if the
power switch is in ACC or ON, or
the electronic key is left inside the
vehicle.
Depending on the position of the
electronic key, the key may not be
detected correctly and the door may
be locked.
■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
Doors: A buzzer sounds and the
emergency flashers flash to indicate
that the doors have been
locked/unlocked. (Locked: Once;
Unlocked: Twice)
Side windows: A buzzer sounds to
indicate that the side windows are
operating.
■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. (However, depending on the
location of the electronic key, the
key may be detected as being in the
vehicle. In this case, vehicle may be
unlocked.)
■When the door cannot be
locked by the lock sensor on
the surface of the door handle
When the door cannot be locked
even if the lock se nsor on the sur-
face of the door handle is touched
Multi-informa-
tion dis-
play/BeepUnlocking func- tion
Exterior: Beeps 3 times
Holding the
driver’s door han-
dle unlocks only
the driver’s door.
Holding the pas-
senger’s door
handle or press-
ing the back door
opener switch
unlocks all the
doors.
Exterior: Beeps twice
Holding a door
handle or press-
ing the back door
opener switch
unlocks all the
doors.

1694-2. Opening, closing and locking the doors
Owners Manual_USA_M42C01_en
4
Before driving
by a finger, touch the lock sensor
with the palm.
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 other than t he door you are
locking is open, a buzzer sounds
continuously for 5 seconds. Fully
close all the doors, and lock the
vehicle once more.
■Setting the alarm (if equipped)
Locking the doors will set the alarm
system. ( P.69)
■Conditions affecting the opera-
tion of the smart key system or
wireless remo te control
 P. 1 8 8
■If the smart key system or the
wireless remote control does
not operate properly
●Use the mechanical key to lock
and unlock the doors. ( P.539)
●Replace the key battery with a
new one if it is depleted. ( P.497)
■If the 12-volt battery is dis-
charged
The doors cannot be locked and
unlocked using the smart key sys-
tem or wireless remote control. Lock
or unlock the doors using the
mechanical key. ( P.539)
■Rear seat reminder function
●In order to remind you not to for-
get luggage, etc., in the rear seat,
when the power switch is turned to
OFF after any of the following con-
ditions are met, a buzzer will sound and a message will be dis-
played on the multi-information
display for approximately 6 sec-
onds.
• The EV system is started within 10 minutes after opening and closing
a rear door.
• A rear door has been opened and closed after the EV system was
started.
However, if a rear door is opened
and then closed within approxi-
mately 2 seconds, the rear seat
reminder function may not operate.
●The rear seat reminder function
determines that luggage, etc., has
been placed in a rear seat based
on opening and closing of a rear
door. Therefore, depending on the
situation, the rear seat reminder
function may not operate and you
may still forget l uggage, etc., in
the rear seat, or it may operate
unnecessarily.
●The rear seat reminder function
can be enabled/disabled.
(  P.566)
■Customization
Settings (e.g. unlocking function
using a key) can be changed.
(Customizable features:  P.569)
WARNING
■To prevent an accident
Observe the following precautions
while driving the vehicle.
Failure to do so may result in a
door opening and an occupant
could be thrown out of the vehicle,
resulting in death o r serious injury.
●Ensure that all doors are prop-
erly closed and locked.

1704-2. Opening, closing and locking the doors
Owners Manual_USA_M42C01_en
■Using the door lock
switches
1 Locks all the doors
2 Unlocks all the doors
■Using the inside lock but-
tons
1 Locks the door
2 Unlocks the door
The front doors can be opened by
pulling the inside handle even if the
lock buttons are in the lock position.
■Open door warning buzzer
If the vehicle speed reaches 3 mph
(5 km/h), a buzzer sounds to indi-
cate that the door( s) or the hood is
not fully closed.
The open door(s) or hood is dis-
played on the multi-information dis-
play.
WARNING
●Do not pull the inside handle of
the doors while driving.
Be especially careful for the
front doors, as the doors may
be opened even if the inside
lock buttons are in locked posi-
tion.
●Set the rear door child-protector
locks when children are seated
in the rear seats.
■When opening or closing a
door
Check the surroundings of the
vehicle such as whether the vehi-
cle is on an incline, whether there
is enough space for a door to
open and whether a strong wind
is blowing. When opening or clos-
ing the door, hold the door handle
tightly to prepare for any unpre-
dictable movement.
■When using the wireless
remote control or mechanical
key and operating the power
windows
Operate the power window after
checking to make sure that there
is no possibility of any passenger
having any of their body parts
caught in the side window. Also,
do not allow children to operate
the wireless remote control or
mechanical key. It is possible for
children and other passengers to
get caught in the side window.
Unlocking and locking the
doors from the inside