2023 TOYOTA PRIUS PRIME Owners Manual

649What to do if... (Troubleshooting)
Is the 12-volt battery dis-
charged? ( P.589)
 Is the window lock switch
pressed?
The power window except for
the one at the driver’s seat
cannot be operated if the win-
dow lock switch is pressed.
( P.229)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON (the
hybrid system is not operat-
ing) for a period of time.
( P.255)
 The seat belt reminder light is
flashing
Are the driver and the passengers
wearing the seat belts? ( 
P.562)
The parking brake indicator is
on
Is the parking brake released?
(
P.263)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.555, 566) 
Is the message displayed on
the multi-information display?
Check the message on the
multi-information display.
( P.566)
 When a warning light turns on
or a warning message is dis-
played, refer to P.555, 566.
 Stop the vehicle in a safe
place and repair the flat tire
temporarily with the emer-
gency tire puncture repair kit.
( P.574)
 Try the procedure for when
the vehicle becomes stuck in
mud, dirt, or snow. ( P.597)
The windows do not open
or close by operating the
power window switches
The power switch is
turned off automatically
A warning buzzer sounds
during driving
A warning buzzer sounds
when leaving the vehicle
A warning light turns on
or a warning message is
displayed
When a problem has
occurred
If you have a flat tire
The vehicle becomes
stuck

650Alphabetical Index
Alphabetical Index
A
A/C ........................................... 434“My Room Mode” ................. 134
Air conditioning eco mode .... 437
Air conditioning filter ............. 535
Automatic air conditioning sys-tem ..................................... 434
Humidity sensor ................... 439
ABS (Anti-lock Brake System) ............................................... 424Function ............................... 424
Warning light ........................ 557
ACA (Active Cornering Assist) ............................................... 424
AC charging cable .................... 97 CCID (Charging Ci rcuit Interrupt-
ing Device) indicator............. 99
CCID (Charging Ci rcuit Interrupt-
ing Device) ........................... 98
Charging cable indicator ...... 118
If the charging connector cannot be unlocked ........................ 104
Locking and unlocking.......... 102
Maintenance......................... 101
Safety functions...................... 99
Acoustic Vehicle Alerting Sys- tem ........................................... 81
Active Cornering Assist (ACA) ............................................... 424
AHB (Automatic High Beam) . 272
Airbags ...................................... 35 Airbag operating conditions.... 37
Airbag precautions for your child............................................. 40
Airbag warning light.............. 557
Correct driving posture ........... 29
Curtain shield airbag operating conditions ............................. 38
Curtain shield airbag precautions ............................................. 40
Front passenger occupant clas- sification system ...................44
General airbag precautions ....40
Location of the SRS airbags...35
Locations of airbags ...............35
Modification and disposal of air- bags......................................42
Seat cushion airbag................35
Side airbag operating conditions .............................................38
Side airbag precautions..........40
Side and curtain shield airbags operating conditions .............38
Side and curtain shield airbags precautions ...........................40
SRS airbags ...........................35
SRS warning light .................557
Air conditioning filter .............535
Air conditioning system.........434 “My Room Mode” ..................134
Air conditioning eco mode ....437
Air conditioning filter .............535
Automatic air conditioning sys-tem .....................................434
Humidity sensor....................439
Alarm Warning buzzer .. ..................555
Anchor brackets .................53, 62
Antenna Smart key system .................203
Anti-lock brake system (ABS)424 Function................................424
Warning light ........................557
Armrest ......... ......................... ..465
Assist grips .............................466
AUTO EV/HV mode ...................73
AUTO EV/HV mode switch .......74
Automatic air conditioning sys- tem .........................................434“My Room Mode” ..................134
Air conditioning eco mode ....437
Air conditioning filter .............535
Humidity sensor....................439

Alphabetical Index651
Automatic door locking and unlocking systems ............... 190
Automatic High Beam (AHB) . 272
Automatic light control system ............................................... 270
Average fuel economy ........... 163
Average vehicle speed .......... 163
B
Back door ................................ 191 Power back door .................. 194
Wireless remote control ....... 194
Back-up lights Replacing exterior lights ....... 543
Battery (12-volt battery) ......... 511 Checking the battery condition........................................... 513
If the 12-volt battery is dis- charged .............................. 589
Preparing and checking before winter.................................. 429
Replacing ............................. 591
Warning light ........................ 555
Battery (traction battery) ......... 83 Charging....................... 108, 116
Location.................................. 83
Specification ......................... 602
Blind Spot Monitor (BSM) ...... 354
Bottle holders ......................... 452
Brake Brake Hold ........................... 266
Fluid ..................................... 509
Parking brake ....................... 263
Regenerative braking ............. 78
Warning light ........................ 555
Brake assist ............................ 424
Brake Hold .............................. 266
Brake Override System .......... 240
Break-in tips ........................... 240
Brightness control Instrument panel light control160
BSM (Blind Spot Monitor) ...... 354
C
Care..................................486, 490 Aluminum wheels .................486
Exterior .................................486
Interior ..................................490
Seat belts .............................490
Cargo capacity ................246, 249
Cargo hooks............................454
Catch protection function Power windows ....................227
Chains......................................431
Charging ..........................108, 116 “My Room Mode” ..................134
AC charging cable ..................97
Charging equipment ...............94
Charging indicator ..................96
Charging messages .............143
Charging precautions ...........120
Charging procedure..............116
Charging schedule function ..123
Charging time may increase.114
High voltage components .......83
How to charge ......................116
Information related to charging display ................................111
Opening and closing the charging port lid ....................94
Power sources precautions ..107
Power sources that can be used ...........................................106
Safety functions ....................113
Solar charging system ..........136
When charging cannot be car- ried out ...............................139
Charging port ............................94 Opening and closing...............94
Child-protector lock ...............189
Child restraint system ..............51 Fixed with a LATCH system ...60
Fixed with a seat belt..............55
Front passenger occupant clas-

652Alphabetical Index
sification system ................... 44
Points to remember ................ 51
Riding with children ................ 50
Types of child restraint system installation method ............... 53
Using an anchor bracket ........ 62
Child safety ............................... 50 12-volt battery precautions . 511, 592
Airbag precautions ................. 40
Back door precautions ......... 191
Charging precautions ........... 115
Child restraint system............. 53
Heated steering wheel precau- tions.................................... 443
How your child should wear the seat belt................................ 32
Power window lock switch.... 229
Power window precautions .. 228
Rear door child-protector lock ........................................... 189
Removed key battery precau- tions.................................... 539
Seat belt extender precautions ............................................. 32
Seat belt precautions ............. 31
Seat heater precautions ....... 443
Window lock switch .............. 229
Cleaning .......................... 486, 490 Aluminum wheels ................. 486
Exterior ................................. 486
Interior .................................. 490
Radar sensor........................ 355
Seat belts ............................. 490
Condenser .............................. 508
Console box ............................ 451
Coolant Checking .............................. 507
Preparing and checking before winter.................................. 429
Warning light ........................ 556
Cooling system ...................... 507 Hybrid system overheating ...594
Coussins gonflables Emplacement des coussins gonflables SRS...................639
Modification et mise au rebut des coussins gonflables ............645
Précautions générales relatives aux coussins gonflables .....641
Précautions relatives aux couss- ins gonflables en rideau .....641
Précautions relatives aux couss- ins gonflables latéraux et en
rideau .................................641
Précautions relatives aux couss- ins gonflables latéraux........641
Précautions relatives aux couss- ins gonflables pour vos enfants...........................................641
Cruise control Cruise control .......................342
Dynamic radar cruise control 331
Cup holders.............................451
Current fuel economy ............163
Curtain shield airbags ..............35
Customizable features ...........618
Custom mode..........................422
D
Daytime running light system270 Replacing exterior lights .......543
Deck board ..............................454
Deck under tray ......................455
Defogger Outside rear view mirrors .....436
Rear window.........................436
Windshield ............................435
Digital Rear-view Mirror .........217
Dimensions .............................600
Dinghy towing .........................250
Display Cruise control .......................342
Driving information ...............163

Alphabetical Index653
Energy monitor ..................... 173
Intuitive parking assist .......... 363
Multi-information display ...... 161
Parking Support Brake function (rear pedestrians) ............... 394
RCD (Rear Camera Detection) ........................................... 379
RCTA ................................... 373
Warning messages .............. 566
Do-it-yourself maintenance . 495, 499
Door lock Back door ............................. 191
Side doors ............................ 185
Smart key system................. 203
Wireless remote control ....... 182
Doors Automatic door locking and unlocking system................ 190
Back door ............................. 191
Door glasses ........................ 227
Door lock .............................. 185
Open door warning buzzer ... 189
Outside rear view mirrors ..... 225
Rear door child-protector lock ........................................... 189
Side doors ............................ 185
Driver’s seat belt reminder light ............................................... 562
Driver’s seat position memory ............................................... 231Driving position memory....... 231
Memory recall function ......... 232
Driver monitor ........................ 292
Drive-Start Control (DSC) ...... 245 Sudden start restraint control245
Driving ..................................... 239 Break-in tips ......................... 240
Correct posture ...................... 29
Driving in the rain ................. 240
Driving mode select switch... 422
Plug-in Hybrid Electric Vehicle driving tips ............................88
Procedures ...........................239
Winter drive tips....................429
Driving information display ...163
Driving mode select switch ...422
Driving position memory .......230 Memory recall function .........232
Power easy access system ..230
Seat position memory...........231
Driving support system informa- tion display............................165
DSC (Drive-Start Control) ......245 Sudden start restraint control245
Dynamic radar cruise control Function................................331
Warning message . ...............566
E
Eco drive mode .......................422
EDR (Event data recorder) .......10
Elapsed time ...........................165
Electric motor (traction motor)72
Location ..................................72
Specification .........................602
Electric Power Steering (EPS)
Function................................424
Warning light ........................558
Electronic key Battery-saving function .........204
If the electronic key does not operate properly .................587
Replacing the battery ...........538
Emergency, in case of If a warning buzzer sounds ..555
If a warning light turns on .....555
If a warning message is dis-played .................................566
If the 12-volt battery is dis- charged ..............................589
If the electronic key does not operate properly .................587
If the hybrid system will not start

654Alphabetical Index
........................................... 584
If the vehicle is submerged or water on the road is rising .. 548
If you have a flat tire ............. 574
If you lose your keys ............ 586
If you think something is wrong ........................................... 554
If your vehicle becomes stuck ........................................... 597
If your vehicle has to be stopped in an emergency................. 547
If your vehicle needs to be towed ........................................... 550
If your vehicle overheats ...... 594
Emergency flashers ............... 546
Emergency tire puncture repair kit ........................................... 574
Energy monitor ....................... 173
Engine Compartment ....................... 504
Hood..................................... 501
Identification number ............ 601
Engine coolant Capacity ............................... 603
Checking .............................. 507
Preparing and checking before winter.................................. 429
Warning light ........................ 556
Engine coolant temperature gauge..................................... 155
Engine oil Capacity ............................... 602
Checking .............................. 504
Preparing and checking before winter.................................. 429
Warning light ........................ 556
Engine oil maintenance data160, 506
Enhanced Vehicle Stability Con- trol (Enhanced VSC) ............ 424
Enhanced VSC (Enhanced Vehi- cle Stability Control) ............ 424 EPS (Electric Power Steering)
Function................................424
Warning light ........................558
EV/HV mode selection switch .74
EV driving range .......................90
Event data recorder (EDR) .......10
EV indicator...............................78
EV mode ....................................73
F
Flat tire.....................................574 Tire pressure warning system...........................................516
Floor mats .................................28
Fluid Brake ............................509, 604
Hybrid transmission ..............604
Washer .................................510
Footwell lights ........................446
Front doors .............................185
Front passenger’s seat belt reminder light........................562
Front passenger occupant clas- sification system ....................44
Front seat heaters ..................443
Front seats ..............................209 Adjustment ...........................209
Cleaning ...............................490
Correct driving posture ...........29
Driving position memory .......230
Head restraints .....................212
Memory recall function .........232
Power easy access system ..230
Seat heaters .........................443
Seat position memory...........231
Seat ventilators.....................444
Front side marker lights.........269 Replacing exterior lights .......543
Switch ...................................269
Front turn signal lights ..........262 Replacing exterior lights .......543
Turn signal lever ...................262

Alphabetical Index655
Fuel .......................................... 279Capacity ............................... 601
Fuel gauge ........................... 155
Information ........................... 607
Refueling .............................. 279
Type ............................. 601, 607
Warning light ........................ 562
Fuel filler door ..... ................... 280
Opener switch ...................... 280
Refueling .............................. 279
Fuel gauge .............................. 155
Fuses ....................................... 540
G
Garage door opener ............... 477
Gauges .................................... 155
Glove box ................................ 451
H
Headlights ............................... 269 AHB (Automatic High Beam) 272
Headlight aim ....................... 542
Replacing exterior lights ....... 543
Switch................................... 269
Headlights aim ........................ 542
Head restraints ....................... 212
Heated steering wheel ........... 443
Heaters Automatic air conditioning sys-tem ..................................... 434
Heated steering wheel ......... 443
Hybrid battery (traction battery) ........................................... 108
Outside rear view mirrors ..... 436
Seat heaters ......................... 443
High mounted stoplight Replacing exterior lights ....... 543
High voltage components ....... 83
Hill-start assist control .......... 424
Hood ........................................ 501
Hooks Cargo hooks .........................454
Retaining hooks (floor mat) ....28
Horn .........................................215
HV mode ....................................73
Hybrid battery (traction battery) .................................................83Charging ...............................116
Location ..................................83
Specification .........................602
Hybrid battery (traction battery) charge mode ...........................75
Hybrid system ...........................72 ACC ......................................254
Acoustic Vehicle Alerting System.............................................81
Brake Override System ........240
Drive-Start Control (DSC) .....245
Emergency shut off system ....87
Energy monitor/consumption screen.................................173
High voltage components .......83
How to start the hybrid system ...........................................251
Hybrid System Indicator .......155
If the hybrid system will not start ...........................................584
If your vehicle has to be stopped in an emergency .................547
Ignition switch (power switch) ...........................................251
Overheating ..........................594
Plug-in Hybrid Electric Vehicle driving tips ............................88
Plug-in hybrid system precau- tions ......................................83
Power (ignition) switch .........251
Regenerative braking .............78
Starting the hybrid system ....251
Hybrid System Indicator ........155
I
I/M test .....................................498

656Alphabetical Index
IdentificationEngine .................................. 601
Vehicle ................................. 600
Ignition switch (power switch) ............................................... 251Auto power off function ........ 255
Changing the power switch modes ................................ 254
If your vehicle has to be stopped in an emergency................. 547
Starting the hybrid system.... 251
Illuminated entry system ....... 446
Illumination notification ......... 448
Immobilizer system .................. 70
Indicators ................................ 150
Initialization ............................ 634 Items to initialize................... 634
Maintenance......................... 495
Power back door .................. 199
Power windows .................... 227
Inside rear view mirror........... 216
Instrument panel light control ............................................... 160
Instrument panel ornament lights...................................... 446
Interior lights .......................... 446
Intuitive parking assist Function ............................... 363
Warning message ................ 365
J
JackPositioning a floor jack ......... 502
Vehicle-equipped jack .. 527, 575
Jack handle ..................... 527, 575
Jam protection function Memory recall function ......... 234
Power back door .................. 197
Power easy access system .. 231
Power windows .................... 227
Seat position memory .......... 231
K
Keyless entrySmart key system .................203
Wireless remote control........182
Keys .........................................180 Battery-saving function .........204
Electronic key .......................180
If the electronic key does not operate properly .................587
If you lose your keys.............586
Key number plate .................180
Keyless entry ................182, 203
Mechanical key.....................182
Power switch ........................251
Replacing the battery ...........538
Warning buzzer .. ..................204
Wireless remote control key .182
Knee airbags .............................35
L
Lane Tracing Assist (LTA) .....305 Operation..............................305
LATCH anchors ........................60
Lever Auxiliary catch le ver .............501
Hood lock releas e lever ........501
Shift lever .............................256
Tilt and telescopic steering lock release lever .......................215
Turn signal lever ...................262
Wiper lever ...........................275
License plate lights Replacing exterior lights .......543
Switch ...................................269
Lights AHB (Automatic High Beam) 272
Footwell lights.......................446
Front personal lights .............447
Headlight switch ...................269
Illuminated entry system .......446
Illumination notification .........448