immobilizer TOYOTA PRIUS PRIME 2021 Owners Manual (in English)

TABLE OF CONTENTS2
PRIUS PRIME_OM_OM47D71U_(U)For your information....................... 8
Reading this manual .................... 14
How to search .............................. 15
Pictorial index .............................. 16
1-1. For safe use
Before driving ...................... 26
For safe driving ................... 28
Seat belts ............................ 30
SRS airbags ........................ 36
Front passenger occupant
classification system ......... 50
Exhaust gas precautions ..... 56
1-2. Child safety
Riding with children ............. 57
Child restraint systems ........ 58
1-3. Emergency assistance
Safety Connect.................... 76
1-4. Theft deterrent system
Immobilizer system ............. 83
2-1. Plug-in hybrid system
Plug-in hybrid system
features ............................. 86
Plug-in hybrid system
precautions ....................... 98
Plug-in hybrid vehicle
driving tips ....................... 105
EV driving range................ 1082-2. Charging
Charging equipment .......... 110
Charging cable .................. 115
Smart lid & connector
locking system ................. 121
Power sources that can be
used................................. 131
Charging methods ............. 134
Charging tips ..................... 139
Things to know before
charging........................... 141
How to charge ................... 146
Using the charging schedule
function ............................ 157
When normal charging
cannot be carried out....... 180
3. Instrument cluster
Combination meter ............ 192
Warning lights and
indicators ......................... 201
Main display....................... 209
Multi-information
display ............................. 220
Head-up display................. 253
Energy monitor/
consumption screen
(vehicles with 7-inch
display) ............................ 261
Energy monitor/
consumption screen/
detail screen (vehicles
with 11.6-inch display) ..... 267
1For safety and security
2Plug-in hybrid system
3Instrument cluster

25
PRIUS PRIME_OM_OM47D71U_(U)
For safety and security1
1-1. For safe use
Before driving ...................... 26
For safe driving ................... 28
Seat belts ............................ 30
SRS airbags ........................ 36
Front passenger occupant
classification system ......... 50
Exhaust gas precautions..... 56
1-2. Child safety
Riding with children ............. 57
Child restraint systems........ 58
1-3. Emergency assistance
Safety Connect ................... 76
1-4. Theft deterrent system
Immobilizer system ............. 83

831-4. Theft deterrent system
PRIUS PRIME_OM_OM47D71U_(U)
1
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
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4400030050004800570044004f004f004c0046000300520045[ject
●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.

841-4. Theft deterrent system
PRIUS PRIME_OM_OM47D71U_(U)■Certifications for the immobilizer system
For vehicles sold in the U.S.A. and Hawaii
For vehicles sold in Canada
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.

PRIUS PRIME_OM_OM47D71U_(U)
2954-2. Opening, closing and locking the doors
4
Operation of each component
■Conditions affecting operation
The smart key system, wireless remote control and immobilizer system use
weak radio waves. In the following situations, the communication between
the electronic key and the vehicle may be affected, preventing the smart key
system, wireless remote control and immobilizer system from operating prop-
erly. (Ways of coping: P. 711)
●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

PRIUS PRIME_OM_OM47D71U_(U)
3415-2. Driving procedures
5
Driving
■Conditions affecting operation
P. 295
■Note for the entry function
P. 296
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. (P. 83)
Contact your Toyota dealer.
●The charging cable may be connected to the vehicle. (P. 1 4 2 )
●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 your Toyota dealer
immediately.
■If the hybrid system is malfunctioning
P. 99
■If the electronic key battery is depleted
P. 647
■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 hybrid system shut off feature
●The vehicle is equipped with a feature that automatically shuts off the hybrid
system when the shift position is in P with the hybrid system operating for an
extended period.
●The hybrid system will automatically shut off after approximately 1 hour if it
has been left running while the shift position is in P.
●The timer for the automatic hybrid system shut off feature will reset if the
brake pedal is depressed or if the shift position is in a position other than P.
●After the vehicle is parked, if the door is locked with the door lock switch
(P. 283) from the inside or the mechanical key (P. 711) from the outside,
the automatic hybrid system shut off feature will be disabled. The timer for
the automatic hybrid system shut off feature will be re-enabled if the driver’s
door is opened.

667
PRIUS PRIME_OM_OM47D71U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
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 your Toyota dealer or commercial towing
service.
●There is a malfunction in the shift control system. (P. 342, 691)
●There is a malfunction in the immobilizer system. (P. 83)
●There is a malfunction in the smart key system. (P. 7 1 1 )
●The 12-volt battery is discharged. (P. 7 1 5 )
The following may indicate a problem with your hybrid transmission.
Contact your Toyota dealer or commercial towing service before tow-
ing.
●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 your Toyota dealer 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

709
PRIUS PRIME_OM_OM47D71U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The charging cable may be attached to the vehicle. (P. 146)
●The electronic key may not be functioning properly.
* (P. 711)
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (P. 100)
●There may be a malfunction in the immobilizer system.
* (P. 8 3 )
●There may be a malfunction in the shift control system.
*
(P. 342, 691)
●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. 710)
●There is a possibility that the temperature of the hybrid battery
(traction battery) is extremely low (approximately below -22°F
[-30°C]). (P. 100, 340)
*: 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. 715)
●The 12-volt battery terminal connections may be loose or corroded.
(P. 607)
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. 338)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.

795Alphabetical index
PRIUS PRIME_OM_OM47D71U_(U)
Hybrid battery (traction
battery) ..................................... 98
Air intake vent ......................... 99
Charging ............................... 110
Location .................................. 98
Specification ......................... 733
Status indicator ..................... 112
Hybrid battery (traction
battery) air intake vent ............ 99
Cleaning................................ 582
Hybrid system ............................ 86
Brake Override System......... 322
Consumption
screen................. 233, 265, 271
Drive-Start Control ................ 322
Emergency shut off system .... 99
Energy monitor ..... 223, 262, 268
High voltage components ....... 98
Hybrid System Indicator........ 225
If the hybrid system will not
start .................................... 709
Overheating .......................... 721
Plug-in hybrid system
precautions ........................... 98
Plug-in hybrid vehicle driving
tips ...................................... 105
Power switch......................... 338
Regenerative braking.............. 94
Starting the hybrid system .... 338
Vehicle proximity notification
system .................................. 93
Hybrid System Indicator ......... 225
Hybrid transmission ................ 345I/M test ...................................... 593
Identification ............................ 731
Engine .................................. 732
Vehicle .................................. 731
Ignition switch (power
switch).................................... 338
Auto power off function ......... 340
Changing the power switch
modes ................................ 340
If your vehicle has to be
stopped in an emergency ... 665
Starting the hybrid system .... 338
Illuminated entry system ........ 543
Immobilizer system ................... 83
Indicators ................................. 201
Initialization.............................. 765
Items to initialize ................... 765
Maintenance data ................. 588
Parking Support Brake
function............................... 464
Power windows..................... 315
S-APGS (Simple Advanced
Parking Guidance
System) .............................. 491
Tire pressure warning
system ................................ 616
Inside rear view mirror ............ 310
Instrument cluster light
control .................................... 194
Interior lights ........................... 541
Switch ........................... 542, 543
Wattage ................................ 738
Intuitive parking assist ........... 445I
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or
“MULTIMEDIA OWNER’S MANUAL”.

801Alphabetical index
PRIUS PRIME_OM_OM47D71U_(U)
Switch
Audio remote control switches
*
Automatic High Beam
switch ................................. 358
Charging schedule switch ..... 161
Cruise control switch............. 414
Door lock switches ................ 283
Driving mode select switch ... 430
Emergency flashers switch ... 664
Engine switch........................ 338
EV auto mode switch .............. 90
EV/HV mode selection
switch ................................... 90
Fog light switch ..................... 363
Fuel filler door opener
switch ................................. 373
Garage door opener
switches.............................. 568
Heated steering wheel
switch ................................. 540
“HUD” (Head-up display)
switch ................................. 255
Ignition switch ....................... 338
Instrument cluster light
control switch...................... 194
LTA (Lane Tracing Assist)
switch ................................. 403
Light switch ........................... 353
Meter control switches .......... 193
Outside rear view mirror
switches.............................. 312
P position switch ................... 346
Power door lock switches ..... 283
Power switch......................... 338
Power window switch............ 314
Rear window and outside
rear view mirror
defoggers switch ........ 516, 527
S-APGS switch ..................... 470
Seat heater switches ............ 540“SOS” button........................... 76
Talk switch
*
Telephone switches*
TRIP switch .......................... 213
Vehicle-to-vehicle distance
switch ................................. 422
VSC OFF switch ................... 502
Window lock switch .............. 314
Windshield wipers and
washer switch..................... 365
Wireless charger power
supply switch ...................... 557
Tail lights.................................. 353
Light switch ........................... 353
Replacing light bulbs ............ 660
Talk switch
*
Telephone switch*
Theft deterrent system
Immobilizer system ................. 83
Tire inflation pressure............. 623
Maintenance data ................. 737
Warning light......................... 677
Tire information ....................... 742
Glossary ............................... 747
Size....................................... 743
Tire Identification Number .... 743
Uniform Tire Quality
Grading .............................. 745
Tire pressure warning
system.................................... 615
Function ................................ 615
Initializing .............................. 615
Installing tire pressure
warning valves and
transmitters ........................ 615
Registering ID codes ............ 616
Warning light......................... 677
T
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or
“MULTIMEDIA OWNER’S MANUAL”.