lock TOYOTA PRIUS PRIME 2023 Service Manual

1814-1. Key information
4
Before driving
■If a message regarding the state
of the electronic key or power
switch mode, etc. is shown
To prevent trapping the electronic
key inside the vehicle, leaving the
vehicle carrying the electronic key
on your person without turning the
power switch to OFF 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 bat-
tery. Replace the electronic key bat-
tery. ( P.538)
■Replacing the battery
 P.538
■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 unknown electronic
key (other than those in your pos-
session) 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 me tallic or mag-
netic materials to the keys or
place the keys close to such
materials.
●Do not disassemble the keys.
●Do not attach a sticker 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-fr equency 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 emitted 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.
■In case of a smart key system
malfunction or other key-
related problems
 P.587

1824-1. Key information
The electronic keys are
equipped with the following
wireless remote control:Locks all the doors ( P.185)
Unlocks all the doors
( P.185)
Opens the side windows
*
( P.185)
Opens and closes the power
back door (if equipped)
( P.194)
Sounds the alarm
*: This setting must be customized at your Toyota dealer.
■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.
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
and re-attempt to
insert it.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical key 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.587)
■If you lose your mechanical
keys
 P.586
NOTICE
■When an electronic key is lost
 P.586
Wireless remote control
A
B
C
D
E
Using the mechanical key
A

1844-1. Key information
Be sure to carry the electronic
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.205)
 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 hybrid system and
perform 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.
 With the Digital Key alone, no
vehicle lights will illuminate
when approached to the vehi-
cle. Also, with the Digital Key
alone, some functions, such
as the power back door’s
close & lock (walk-away)
function, etc., cannot be used.

1854-2. Opening, closing and locking the doors
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 with the sensor
(if equipped) 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.185)
2 Touch the lock sensor (the
indentation on the surface of
the door handle) to lock the
doors.
Check that the do or is securely
locked.
■Using the wireless remote
control
1 Locks all the doors
Check that the do or 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.
2 When the indicator light on the
key surface is not on, press and
hold , (if equipped)
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

1864-2. Opening, closing and locking the doors
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 .)
■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 seconds 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 sensor on the sur-
face of the door handle is touched
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 entry function is made when a
door other than the door you are
locking is open, a buzzer sounds
continuously for 5 seconds. Fully
close all the doors, and lock the
vehicle once more.
■Conditions affecting the opera-
tion of the smart key system or
wireless remote control
 P.205
■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.587)
●Replace the key battery with a
new one if it is depleted. ( P.538)
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 front
passenger’s door
handle with the
sensor (if
equipped)
unlocks all the
doors.
Exterior: Beeps twice
Holding the
driver’s door han-
dle or front pas-
senger’s door
handle with the
sensor (if
equipped)
unlocks all the
doors.

1874-2. Opening, closing and locking the doors
4
Before driving
■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.587)
■Customization
Settings (e.g. unlocking function
using a key) can be changed.
(Customizable features: P.618)
■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.
■Locking the front doors from
the outside without a key
1 Move the inside lock button to
the lock position.
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.
■When all the doors are locked
with the entry function or wire-
less remote control
●The doors cannot be unlocked
with the door lock switch.
●The door lock switches can be
reset by unlocking all the doors
with the entry function or wireless
remote control.
WARNING
■When using the wireless
remote control 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. It is
possible for children and other
passengers to get caught in the
power window.
Unlocking and locking the
doors from the inside

1884-2. Opening, closing and locking the doors
■Opening the front door
Unlock the door, and pull the
door handle.
■Opening the rear door
Unlock the door, and press the
door opener switch of the
door handle to open the door.
Make sure to se curely press the
door opener switch on the inner
side of the door handle.
■Rear door opener switch oper-
ating conditions
When all of the following conditions
are met:
●The vehicle speed is less than 2
mph (4 km/h)
●The door is unlocked
■If a rear door cannot be opened
using the door opener switch
Check the following:
●The 12-volt battery is not
depleted.
●The door is unlocked.
If a door cannot be opened using
the door opener switch, the door
can be opened using the manual
release button. Firmly press the but-
ton until the door opens.
■When opening the rear door
with the manual release button
in low temperatures
If the manual release button
becomes frozen in low tempera-
tures, it may feel heavier to operate.
■When the vehicle is subjected
to a strong impact
In the event that the vehicle is sub-
ject to a strong impact, the rear door
opener switch cannot be operated
for approximately 10 seconds. In
this case, use the manual release
button.
■If the rear door opener switch is
operated repeatedly over a
short period of time
The system may restrict operation
to prevent overheating. If this hap-
pens, refrain from operating the rear
door opener switch. Normal opera-
tion will return after a short time.
■Rear seat reminder function
As the first reminder so as not to for-
get luggage, etc. in the rear seat,
when the power switch is turned off
after any of the following conditions
are met, a buzze r will sound and a
Opening the doors from
the outside
A
A

1894-2. Opening, closing and locking the doors
4
Before driving
message will be displayed on the
multi-information display for approx-
imately 6 seconds.
Also, as the second reminder, when
the doors are locked, a buzzer will
sound and the emergency flashers
will flash for a few seconds, and a
message will be displayed on the
multi-information display.
●The hybrid system is started
within approximately 10 minutes
after opening and closing a rear
door.
●A rear door has been opened and
closed after the hybrid system
was started.
The second reminder will not be
activated if a rear door was opened
before the doors are locked.
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 situa-
tion, the rear seat reminder function
may not operate and you may still
forget luggage, etc. in the rear seat,
or it may operate unnecessarily.
■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.
■Customization
The rear seat reminder function can
be enabled/disabled. (Customiz-
able features: P.618)The door cannot be opened
from inside the vehicle when the
lock is set.
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 or serious
injury.
●Ensure that all doors are prop-
erly closed and locked.
●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.
Rear door child-protector
lock

1904-2. Opening, closing and locking the doors
1Unlock
2 Lock
These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear doors.
The following functions can be
set or canceled:
For instructions on customizing,
refer to P.618.
Automatic door locking
and unlocking systems
FunctionOperation
Speed linked
door locking
function
All doors are
automatically
locked when
vehicle speed is
approximately 12
mph (20 km/h) or
higher.
Shift position
linked door lock-
ing function
All doors are
automatically
locked when the
shift position is
shifted to a posi-
tion other than P.
Shift position
linked door
unlocking func-
tionAll doors are
automatically
unlocked when
the shift position
is shifted to P.
Driver’s door
linked door
unlocking func-
tion
All doors are
automatically
unlocked when
driver’s door is
opened within
approximately 45
seconds after
turning the power
switch to OFF.

1914-2. Opening, closing and locking the doors
4
Before driving
Back door
The back door can be
locked/unlocked and
opened/closed by the fol-
lowing procedures.
WARNING
Observe the following precau-
tions.
Failure to do so may result in
death or serious injury.
■Before driving
●Make sure that the back door is
fully closed.
If the back door is not fully
closed, it may open unexpect-
edly while driving and hit near-
by objects or luggage in the lug-
gage compartment may be
thrown out, causing an acci-
dent.
●Do not allow children to play in
the luggage compartment.
If a child is accidentally locked
in the luggage compartment,
they could have heat exhaus-
tion or other injuries.
●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, head,
or neck to be caught by the
closing back door.
■Important points 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.
■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.