2023 TOYOTA PRIUS immobilizer

TABLE OF CONTENTS2
PRIUS_OM_OM47F32E_(EE)
For your information .......................8
Reading this manual.....................12
How to search ..............................13
Pictorial index ...............................14
1-1. For safe use
Before driving.......................30
For safe driving ....................32
Seat belts .............................34
SRS airbags.........................39
Exhaust gas precautions .....50
1-2. Child safety
Airbag manual on-off
system ...............................51
Riding with children..............53
Child restraint systems ........54
1-3. Emergency assistance
ERA-GLONASS/EVAK ........74
1-4. Hybrid system
Hybrid system features ........79
Hybrid system
precautions ........................84
1-5. Theft deterrent system
Immobilizer system ..............91
Double locking system .........92
Alarm ...................................93
2. Instrument cluster
Combination meter ............ 100
Warning lights and
indicators......................... 110
Main display ...................... 117
Multi-information
display ............................. 127
Head-up display ................ 160
Energy monitor/
consumption screen ........ 166
3-1. Key information
Keys .................................. 172
3-2. Opening, closing and
locking the doors
Side doors ......................... 177
Back door .......................... 182
Smart entry & start
system............................. 187
3-3. Adjusting the seats
Front seats ........................ 194
Rear seats ......................... 196
Head restraints .................. 199
3-4. Adjusting the steering
wheel and mirrors
Steering wheel .................. 203
Inside rear view mirror....... 205
Outside rear view
mirrors ............................. 207
3-5. Opening and closing the
windows and moon roof
Power windows ................. 210
Moon roof .......................... 215
1For safety and security
2Instrument cluster
3Operation of each
component

29
1For safety and security
PRIUS_OM_OM47F32E_(EE)
1-1. For safe use
Before driving....................... 30
For safe driving .................... 32
Seat belts ............................. 34
SRS airbags......................... 39
Exhaust gas precautions ..... 50
1-2. Child safety
Airbag manual on-off
system ............................... 51
Riding with children.............. 53
Child restraint systems ........ 54
1-3. Emergency assistance
ERA-GLONASS/EVAK ........ 74
1-4. Hybrid system
Hybrid system features ........ 79
Hybrid system
precautions ........................ 84
1-5. Theft deterrent system
Immobilizer system .............. 91
Double locking system ......... 92
Alarm ................................... 93

91
1
1-5. Theft deterrent system
PRIUS_OM_OM47F32E_(EE)
For safety and security
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.

1903-2. Opening, closing and locking the doors
PRIUS_OM_OM47F32E_(EE)■Conditions affecting operation
The smart entry & start system, wireless remote control and immobilizer sys-
tem use weak radio waves. In the following situations, the communication
between the electronic key and the vehicle may be affected, preventing the
smart entry & start system, wireless remote control and immobilizer system
from operating properly. (Ways of coping: P. 636)
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electrical
noise
●When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless key (that emit radio waves) is 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 commu-
nication devices
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or metallic objects are attached to the
rear window
●When the electronic key is placed near a battery charger or electronic
devices

2474-2. Driving procedures
4
Driving
PRIUS_OM_OM47F32E_(EE)■When the ambient temperature is low, such as during winter driving con-
ditions
When starting the hybrid system, the flashing time of the “READY” indicator
may be long. Leave the vehicle as it is until the “READY” indicator is steady
on, as steady means the vehicle is able to move.
■Conditions affecting operation
P. 190
■Note for the entry function
P. 191
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. (P. 9 1 )
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
●If a message related to start-up is shown on the multi-information display,
read the message and follow the instructions.
■If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even after perform-
ing the proper procedures for starting the vehicle, contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer immedi-
ately.
■If the hybrid system is malfunctioning
P. 8 5
■If the electronic key battery is depleted
P. 554
■Operation of the power switch
●If the switch is not pressed shortly and firmly, the power switch mode may
not change or the hybrid system may not start.
●If attempting to restart the hybrid system immediately after turning the power
switch off, the hybrid system may not start in some cases. After turning the
power switch off, please wait a few seconds before restarting the hybrid sys-
tem.
■Automatic P position selection function
P. 256
■When the shift control system malfunctions
When attempting to turn the power switch off while there is a malfunction in
the shift control system, the power switch mode may change to ACCES-
SORY mode. In this case, ACCESSORY mode may be turned off by applying
the parking brake and pressing the power switch again. If there is a malfunc-
tion in the system, have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer immediately.

5727-2. Steps to take in an emergency
PRIUS_OM_OM47F32E_(EE)
If your vehicle needs to be towed
In the following situations, it is not possible to be towed by another
vehicle using cables or chains, as the front wheels may be locked due
to the parking lock. Contact any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer or commercial towing ser-
vice.
● There is a malfunction in the shift control system. (P. 247, 597)
● There is a malfunction in the immobilizer system. (P. 9 1 )
● There is a malfunction in the smart entry & start system. (P. 636)
● The 12-volt battery is discharged. (P. 639)
The following may indicate a problem with your hybrid transmission.
Contact any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer or commercial towing service before towing.
● The hybrid system warning message is displayed and the vehicle
does not move.
● The vehicle makes an abnormal sound.
If towing is necessary, we recommend having your vehicle
towed by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer or commercial towing service,
using a wheel-lift type truck or flatbed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws.
Situations when it is not possible to be towed by another vehicle
Situations when it is necessary to contact dealers before towing

6347-2. Steps to take in an emergency
PRIUS_OM_OM47F32E_(EE)
If the hybrid system will not star t
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.* (P. 636)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 8 6 )
● There may be a malfunction in the immobilizer system.* (P. 9 1 )
● There may be a malfunction in the shift control system.*
( P. 247, 597)
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 635)
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 639)
● The 12-volt battery terminal connections may be loose or corroded.
( P. 521)
Reasons for the hybrid system not starting vary depending on
the situation. Check the following and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 244)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

693Alphabetical index
PRIUS_OM_OM47F32E_(EE)
Identification ............................ 655
Engine ................................... 656
Vehicle .................................. 655
Ignition switch (power
switch) .................................... 244
Auto power off function ......... 246
Changing the power switch
modes................................. 246
If your vehicle has to be
stopped in an emergency ... 569
Starting the hybrid system .... 244
Illuminated entry system......... 472
Immobilizer system ................... 91
Indicators.................................. 110
Initialization .............................. 679
Items to initialize ................... 679
Moon roof .............................. 217
Parking Support Brake
function ............................... 402
Power windows ..................... 211
S-IPA (Simple Intelligent
Parking Assist System)....... 430
Tire pressure warning
system ................................ 531
Inside rear view mirror ............ 205
Instrument cluster light
control .................................... 102
Interior lights ............................ 470
Switch ........................... 471, 472
Wattage................................. 667
Intrusion sensor......................... 96
ISOFIX lower anchorages ......... 70Jack
Positioning a floor jack .......... 513
Vehicle-equipped jack... 600, 619
Jack handle ...................... 600, 619
Jam protection function
Moon roof.............................. 216
Power windows ..................... 211
Keyless entry ........................... 177
Smart entry & start system ... 187
Wireless remote control ........ 177
Keys .......................................... 172
Battery-saving function ......... 189
Electronic key ....................... 172
Engine switch (power
switch) ................................ 244
If the electronic key does not
operate properly ................. 636
If you lose your keys ..... 173, 176
Key number plate.................. 172
Keyless entry ........................ 177
Mechanical key ..................... 173
Power switch......................... 244
Replacing the battery ............ 554
Smart entry & start system ... 187
Warning buzzer..................... 188
Wireless remote control ........ 177
Knee airbag ................................ 39
IJ
K
*: Refer to “Navigation and multimedia system Owner’s manual”.