2023 TOYOTA PRIUS PLUG-IN HYBRID Owners Manual

711-2. Child safety
1
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
For safety and security
Remove the anchorage cov-
ers, and install the child
restraint system to the seat.
The bars are installed behind
the anchorage covers.
After installing the child restraint system, rock it back and forth to
ensure that it is installed securely. ( P. 6 9 )
2
WARNING
■When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
● After securing a child restraint system, never adjust the seat.
● When using the lower anchorages, be sure that there are no foreign
objects around the anchorages and that the seat belt is not caught behind
the child restraint system.
● Follow all installation instructions provided by the child restraint system
manufacturer.
3

721-2. Child safety
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
■Top tether anchorages
Top tether anchorages are pro-
vided for the outboard rear
seats.
Use top tether anchorages
when fixing the top strap.
■Fixing the top strap to the top tether anchorage
Install the child restraint system in accordance to the operation
manual enclosed with the child restraint system.
Adjust the head restraint to
the upmost position.
If the head restraint interferes
with the child restraint system or
top strap installation and the
head restraint can be removed,
remove the head restraint.
( P. 295)
Latch the hook onto the top
tether anchorage and tighten
the top strap.
Make sure the top strap is
securely latched. ( P. 69)
When installing the child
restraint system with the head
restraint being raised, be sure to
have the top strap pass under-
neath the head restraint.
Using a top tether anchorage
Top tether anchorages
Top strap
1
Hook
Top strap 2

731-2. Child safety
1
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
For safety and security
WARNING
■When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.
● Firmly attach the top strap and make sure that the belt is not twisted.
● Do not attach the top strap to anything other than the top tether anchor-
age.
● After securing a child restraint system, never adjust the seat.
● Follow all installation instructions provided by the child restraint system
manufacturer.
● When installing the child restraint system with the head restraint being
raised, after the head restraint has been raised and then the top tether
anchorage has been fixed, do not lower the head restraint.

741-3. Theft deterrent system
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Immobilizer system
The indicator light flashes after
the power switch has been turned
off to indicate that the system is
operating.
The indicator light stops flashing
after the power switch has been
turned to ACCESSORY or ON
mode to indicate that the system
has been canceled.
■ System maintenance
The vehicle has a maintenance-free type immobilizer system.
■ Conditions that may cause the system to malfunction
● If the grip portion of the key is in contact with a metallic object
● If the key is in close proximity to or touching a key registered to the security
system (key with a built-in transponder chip) of another vehicle
The vehicle’s keys have built-in transponder chips that prevent
the hybrid system from starting if a key has not been previously
registered in the vehicle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehi-
cle.
This system is designed to help prevent vehicle theft but does not
guarantee absolute security against all vehicle thefts.
NOTICE
■ To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper
operation of the system cannot be guaranteed.

75
1
1-3. Theft deterrent system
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
For safety and security
Double locking system
Vehicles employing this system
have labels on the window glass
of both front doors.
Turn the power switch off, have all the passengers exit the vehicle and
ensure that all the doors are closed.
Using the entry function:
Touch the sensor area on the outside door handle twice within 5 sec-
onds.
Using the wireless remote control:
Press twice within 5 seconds.
Using the entry function: Hold the outside door handle.
Using the wireless remote control: Press .
: If equipped
Unauthorized access to the vehicle is prevented by disabling the
door unlocking function from both the interior and exterior of
the vehicle.
IO13PH004
Setting the double locking system
Canceling the double locking system
WARNING
■ Double locking system precaution
Never activate the double locking system when there are people in the vehi-
cle, because all the doors cannot be opened from inside the vehicle.

761-3. Theft deterrent system
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Alar m
The alarm uses light and sound to give an alert when an intrusion is
detected.
The alarm is triggered in the following situations when the alarm is
set:
● A locked door or back door is unlocked or opened in any way other
than using the entry function or wireless remote control. (The doors
will lock again automatically.)
● The hood is opened.
● If equipped, the intrusion sensor detects something moving inside
the vehicle. (An intruder gets in the vehicle.)
Close the doors and hood, and
lock all the doors using the entry
function or wireless remote con-
trol. The system will be set auto-
matically after 30 seconds.
The indicator light changes from
being on to flashing when the sys-
tem is set.
Do one of the following to deactivate or stop the alarm.
● Unlock the doors using the entry function or wireless remote con-
trol.
● Start the hybrid system. (The alarm will be deactivated or stopped
after a few seconds.)
: If equipped
The alarm
Setting the alarm system
Deactivating or stopping the alarm

771-3. Theft deterrent system
1
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
For safety and security
■System maintenance
The vehicle has a maintenance-free type alarm system.
■ Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of
the following.
● Nobody is in the vehicle.
● The side windows are closed before the alarm is set.
● No valuables or other personal items are left in the vehicle.
■ Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
● The doors are unlocked using the
mechanical key.
● A person inside the vehicle opens a door
or hood, or unlocks the vehicle using an
inside lock button.
● The 12-volt battery is recharged or
replaced when the vehicle is locked.
( P. 699)

781-3. Theft deterrent system
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
■Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically
lock to prevent improper entry into the vehicle:
● When a person remaining in the vehicle unlocks the door and the alarm is
activated.
● While the alarm is activated, a person remaining in the vehicle unlocks the
door.
● When recharging or replacing the 12-volt battery
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper
operation of the system cannot be guaranteed.