immobilizer TOYOTA PRIUS PRIME 2020 Owners Manual (in English)

TABLE OF CONTENTS2
PRIUS PRIME_OM_OM47C77U_(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................ 108 2-2. 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 timer 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 ............................. 218
Head-up display................. 251
Energy monitor/ consumption screen
(vehicles with 7-inch
display) ............................ 259
Energy monitor/ consumption screen/
detail screen (vehicles
with 11.6-inch display) ..... 265
1For safety and security
2Plug-in hybrid system
3Instrument cluster

25
PRIUS PRIME_OM_OM47C77U_(U)
For safety and security1
1-1. For safe useBefore 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_OM47C77U_(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
●If the grip portion of the key is in contact with a metallic ob 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 ha ve built-in transponder chips that prevent
the hybrid system from starting if a key has not been previousl y
registered in the vehic le’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_OM47C77U_(U)■
Certification for th e 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_OM47C77U_(U)
2934-2. Opening, closing and locking the doors
4
Operation of each component
■Conditions affecting operation
The smart key system, wireless remote control and immobilizer s ystem 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. 699)
● When the electronic key battery is depleted
● Near a TV tower, electric power plant, gas station, radio stati on, large dis-
play, airport or other facility that generates strong radio wav es 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 n earby
● When carrying the electronic key together with the following devices that
emit radio waves
• Portable radio, cellular phone, cordless phone or other wirele ss 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 ele ctronic
devices

PRIUS PRIME_OM_OM47C77U_(U)
3395-2. Driving procedures
5
Driving
■Conditions affecting operation
P. 293
■ Note for the entry function
P. 294
■ 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-informat ion 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 a fter perform-
ing the proper procedures for starting the vehicle, contact you r Toyota dealer
immediately.
■ If the hybrid system is malfunctioning
P. 99
■ If the electronic key battery is depleted
P. 635
■ 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 tu rning 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 t he hybrid sys-
tem.
■ Automatic P position selection function
P. 345
■ When the shift contr ol system malfunctions
When attempting to turn the power switch off while there is a m alfunction in
the shift control system, the power switch mode may change to A CCES-
SORY mode. In this case, ACCESSORY mode may be turned off by ap plying
the parking brake and pressing the power switch again. If there is a malfunc-
tion in the system, have the vehicle inspected by your Toyota d ealer immedi-
ately.

655
PRIUS PRIME_OM_OM47C77U_(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 lock ed due
to the parking lock. Contact your Toyota dealer or commercial towing
service.
● There is a malfunction in t he shift control system. (P. 339, 678)
● There is a malfunction in the immobilizer system. ( P. 83)
● There is a malfunction in the smart key system. (P. 699)
● The 12-volt battery is discharged. ( P. 7 0 3 )
The following may indicate a problem with your hybrid transmiss ion.
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 o r commercial towing service,
using a wheel-lift type t ruck or flatbed truck.
Use a safety chain system for all towing, and abide by all stat e/
provincial and local laws.
Situations when it is not possibl e to be towed by another vehicle
Situations when it is necessary to contact dealers before towing

697
PRIUS PRIME_OM_OM47C77U_(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 a ttached to the vehicle. (P. 146)
● The electronic key may no t be functioning properly.
* ( P. 699)
● There may not be sufficient f uel 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 i n the shift control system.
*
(  P. 339, 678)
● The hybrid system may be malfunc tioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. H ow-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. ( P. 698)
● There is a possibility that the t emperature of the hybrid battery
(traction battery) is extremely low (approximately below -22°F
[-30°C]). ( P. 100, 338)
*: 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. 703)
● The 12-volt battery terminal connections may be loose or corrod ed.
(  P. 595)
Reasons for the hybrid system not starting vary depending on
the situation. Check the followi ng and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 336)
The interior lights and headlights are dim, or the horn does no t
sound or sounds at a low volume.

781Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Hybrid battery (traction battery) ..................................... 98
Air intake vent ......................... 99
Charging ............................... 110
Location .................................. 98
Specification ......................... 721
Status indicator ..................... 112
Hybrid battery (traction
battery) air intake vent ............ 99 Cleaning................................ 570
Hybrid system ............................ 86
Brake Override System......... 320
Consumption screen................. 231, 263, 269
Drive-Start Control ................ 320
Emergency shut off system .... 99
Energy monitor ..... 221, 260, 266
High voltage components ....... 98
Hybrid System Indicator........ 223
If the hybrid system will not start .................................... 697
Overheating .......................... 709
Plug-in hybrid system precautions ........................... 98
Plug-in hybrid vehicle driving tips ...................................... 105
Power switch......................... 336
Regenerative braking.............. 94
Starting the hybrid system .... 336
Vehicle proximity notification
system ......... ......................... 93
Hybrid System Indicator ......... 223
Hybrid transmission ................ 342 I/M test ...................................... 581
Identification ............................ 719
Engine .................................. 720
Vehicle .................................. 719
Ignition switch (power
switch).................................... 336 Auto power off function ......... 338
Changing the power switch modes ................................ 338
If your vehicle has to be stopped in an emergency ... 653
Starting the hybrid system .... 336
Illuminated entry system ........ 530
Immobilizer system ................... 83
Indicators ................................. 201
Initialization.............................. 752 Items to initialize ................... 752
Maintenance data ................. 576
Parking Support Brake function............................... 452
Power windows..................... 313
S-APGS (Simple Advanced Parking Guidance
System) .............................. 479
Tire pressure warning system .......... ...................... 604
Inside rear view mirror ............ 308
Instrument cluster light
control .................................... 194
Interior lights ........................... 528
Switch ........................... 529, 530
Wattage ................................ 726
Intuitive parking assist ........... 433I
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

787Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
SwitchAudio remote control switches
*
Automatic High Beam
switch ................................. 355
Charging timer switch ........... 161
Cruise control switch............. 403
Door lock switches ................ 281
Driving mode select switch ... 419
Emergency flashers switch ... 652
Engine switch........................ 336
EV auto mode switch .............. 90
EV/HV mode selection
switch ................................... 90
Fog light switch ..................... 360
Fuel filler door opener
switch ................................. 370
Garage door opener
switches.............................. 555
Heated steering wheel switch ................................. 527
“HUD” (Head-up display) switch ................................. 253
Ignition switch ....................... 336
Instrument cluster light
control switch...................... 194
LDA (Lane Departure Alert with steering control)
switch ................................. 396
Light switch ........................... 350
Meter control switches .......... 193
Outside rear view mirror switches.............................. 310
P position switch ................... 343
Power door lock switches ..... 281
Power switch......................... 336
Power window switch............ 312
Rear window and outside
rear view mirror
defoggers switch ........ 504, 515
S-APGS switch ..................... 458
Seat heater switches ............ 527 “SOS” button........................... 76
Talk switch
*
Telephone switches*
TRIP switch .......................... 211
Vehicle-to-vehicle distance
switch ................................. 411
VSC OFF switch ................... 490
Window lock switch .............. 312
Windshield wipers and washer switch..................... 362
Wireless charger power
supply switch ...................... 544
Tail lights.................................. 350 Light switch ........................... 350
Replacing light bulbs ............ 648
Talk switch
*
Telephone switch*
Theft deterrent system Immobilizer system .. ............... 83
Tire inflation pressure............. 611 Maintenance data ................. 725
Warning light......................... 665
Tire information ....................... 730 Glossary ............................... 735
Size....................................... 731
Tire Identification Number .... 731
Uniform Tire Quality Grading .............................. 733
Tire pressure warning system.................................... 603 Function ................................ 603
Initializing .............................. 603
Installing tire pressure warning valves and
transmitters ........................ 603
Registering ID codes ............ 604
Warning light......................... 665
T
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.