2023 TOYOTA PRIUS PLUG-IN HYBRID stop start

740What to do if... (Troubleshooting)
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
●The seat belt reminder light is flashing
Are the driver and all the passengers wearing the seat belts? (P. 664)
●The parking brake indicator is on
Is the parking brake released? (P. 336)
Depending on the situation, other types of warning buzzer may also sound.
(P. 659, 667)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (P. 76)
To stop the alarm, turn the power switch to ON mode or start the hybrid sys-
tem.
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. (P. 667)
●When a warning light turns on or a warning message is displayed, refer to
P. 659, 667.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
(vehicles with alarm)
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

746Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Doors ................................ 273, 278
Back door .............................. 278
Door glasses ......................... 303
Door lock ............................... 273
Open door warning buzzer.... 276
Open door warning light ........ 662
Outside rear view mirrors ...... 301
Rear door child-protectors .... 276
Side doors ............................. 273
Side windows ........................ 303
Double locking system.............. 75
Drive information ..................... 222
Drive-Start Control (DSC)........ 309
Sudden start restraint
control................................. 309
Driver’s seat belt reminder
light ......................................... 662
Driving ...................................... 308
Break-in tips .......................... 311
Correct driving posture............ 32
Driving in the rain .................. 310
Driving mode select switch ... 418
Plug-in hybrid vehicle driving
tips ...................................... 105
Procedures............................ 308
Winter drive tips .................... 516
DSC (Drive-Start Control)........ 309
Sudden start restraint
control................................. 309
Dynamic radar cruise control
with full-speed range ............ 401
ECB (Electronically
Controlled Brake System) .... 509
Eco drive mode ........................ 418
Electric motor (traction
motor) ....................................... 84
Location .................................. 84
Specification.......................... 717Electric Power Steering
(EPS)....................................... 510
Function ................................ 510
Warning light ......................... 660
Electronic key .......................... 268
Battery-saving function ......... 285
If the electronic key does not
operate properly ................. 695
Replacing the battery ............ 632
Electronically Controlled
Brake System (ECB) ............. 509
Emergency, in case of
If a warning buzzer sounds ... 659
If a warning light turns on...... 659
If a warning message is
displayed ............................ 667
If the 12-volt battery is
discharged .......................... 699
If the electronic key does not
operate properly ................. 695
If the hybrid system will not
start .................................... 693
If the vehicle becomes
stuck ................................... 710
If the vehicle is submerged
or water on the road
is rising ............................... 650
If you have a flat tire ............. 675
If you lose your keys ..... 269, 272
If you think something is
wrong.................................. 658
If your vehicle has to be
stopped in an emergency ... 649
If your vehicle needs to be
towed .................................. 652
If your vehicle overheats ....... 705
E

747Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Emergency brake signal ......... 510
Emergency flashers................. 648
Emergency brake signal ....... 510
Emergency tire puncture
repair kit ................................. 675
Energy monitor ................ 223, 261
Engine
Accessory mode ................... 325
Compartment ........................ 587
Engine switch ........................ 323
Exhaust gas precautions......... 50
Hood ..................................... 584
How to start the hybrid
system ................................ 323
Identification number............. 716
If the hybrid system will not
start..................................... 693
If your vehicle has to be
stopped in an emergency ... 649
Ignition switch (power
switch) ................................ 323
Overheating .......................... 705
Power switch ......................... 323
Engine coolant ......................... 591
Capacity ................................ 720
Checking ............................... 591
Preparing and checking
before winter....................... 516Engine oil ................................. 588
Capacity ................................ 717
Checking ............................... 588
Oil pressure warning light ..... 660
Preparing and checking
before winter....................... 516
Engine switch (power
switch) .................................... 323
Auto power off function ......... 325
Changing the power switch
modes................................. 325
If your vehicle has to be
stopped in an emergency ... 649
Starting the hybrid system .... 323
EPS (Electric Power
Steering)................................. 510
Function ................................ 510
Warning light ......................... 660
EV City mode switch ................. 88
EV driving range ...................... 109
EV mode ..................................... 85
EV/HV mode selection
switch ....................................... 88
Exhaust gas precautions .......... 50
Extended Headlight
Lighting system..................... 338

748Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Flat tire ...................................... 675
Floor mats .................................. 30
Fluid
Brake..................................... 722
Transmission......................... 721
Washer.................................. 598
Fog lights.................................. 347
Replacing light bulbs ............. 644
Switch ................................... 347
Footwell lights.......................... 541
Front doors............................... 273
Front fog lights ........................ 347
Replacing light bulbs ............. 644
Switch ................................... 347
Front passenger’s seat belt
reminder light ........................ 662
Front position lights ................ 337
Light switch ........................... 337
Replacing light bulbs ............. 644
Front seat concentrated
airflow mode (S-FLOW)......... 525
Front seats ............................... 290
Adjustment ............................ 290
Cleaning ................................ 572
Correct driving posture............ 32
Head restraints...................... 294
Seat heaters.......................... 539
Front turn signal lights............ 335
Replacing light bulbs ............. 644
Turn signal lever ................... 335
Fuel ........................................... 351
Capacity ................................ 716
Fuel gauge ............................ 212
Information ............................ 724
Refueling ............................... 351
Type ...................................... 716
Warning light ......................... 662
Fuel consumption ............ 234, 264
Average fuel consumption .... 234
Current fuel consumption ...... 264Fuel filler door.......................... 353
Opener .................................. 353
Refueling............................... 351
When the fuel filler door
cannot be opened............... 353
Fuses ........................................ 635
Glove box ................................. 545
Hands-free system (for
cellular phone)
*
Head restraints ........................ 294
Head-up display ....................... 254
Headlights ................................ 337
AHS (Adaptive High-beam
System) .............................. 341
Automatic headlight
leveling ............................... 339
Extended Headlight
Lighting system .................. 338
Light switch ........................... 337
Replacing light bulbs............. 644
Heaters
Automatic air conditioning
system ................................ 522
Hybrid battery (traction
battery) ............................... 144
Outside rear view mirrors...... 527
Seat heaters ......................... 539
High coolant temperature
warning light .......................... 661
High mounted stoplight
Replacing .............................. 644
High-voltage components ........ 98
Hill-start assist control............ 509
Hood ......................................... 584
F
G
H

749Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Hooks
Coat hooks ............................ 563
Grocery bag hook ................. 551
Retaining hooks (floor mat) ..... 30
Horn .......................................... 297
HV mode ..................................... 85
Hybrid battery (traction
battery) ..................................... 98
Air intake vent ......................... 99
Charging ............................... 111
Location .................................. 98
Specification.......................... 717
Status indicator ..................... 113
Hybrid battery (traction
battery) air intake vent ............ 99
Cleaning ................................ 573
Hybrid system ............................ 84
Brake Override System ......... 310
Consumption screen ..... 234, 264
Drive-Start Control ................ 310
Emergency shut off system..... 99
Energy monitor.............. 223, 261
High voltage components ....... 98
Hybrid System Indicator ........ 226
If the hybrid system will not
start..................................... 693
Overheating .......................... 705
Plug-in hybrid system
precautions ........................... 98
Plug-in hybrid vehicle driving
tips ...................................... 105
Power switch ......................... 323
Regenerative braking .............. 93
Starting the hybrid system .... 323
Vehicle proximity notification
system .................................. 93
Hybrid System Indicator ......... 226
Hybrid transmission ................ 329Identification ............................ 715
Engine................................... 716
Vehicle .................................. 715
Ignition switch (power
switch) .................................... 323
Auto power off function ......... 325
Changing the power switch
modes................................. 325
If your vehicle has to be
stopped in an emergency ... 649
Starting the hybrid system .... 323
Illuminated entry system ........ 543
Immobilizer system ................... 74
Indicators ................................. 204
Initialization .............................. 736
Items to initialize ................... 736
Parking Support Brake
function ............................... 470
Power windows ..................... 304
S-IPA (Simple Intelligent
Parking Assist System) ...... 498
Tire pressure warning
system ................................ 602
Inside rear view mirror ............ 299
Instrument cluster light
control .................................... 196
Interior lights............................ 541
Switch ........................... 542, 543
Wattage ................................ 723
Intrusion sensor ........................ 79
ISOFIX lower anchorages ......... 70I
*: Refer to “Navigation system Owner’s manual”.

753Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Power outlets ........................... 556
Power sources ......................... 139
Power steering (Electric
Power Steering) ..................... 510
Function ................................ 510
Warning light ......................... 660
Power switch ............................ 323
Auto power off function ......... 325
Changing the power
switch modes...................... 325
If your vehicle has to be
stopped in an emergency ... 649
Starting the hybrid system .... 323
Power windows ........................ 303
Catch protection function ...... 304
Door lock linked window
operation............................. 305
Jam protection function ......... 304
Operation .............................. 303
Window lock switch ............... 303
Pre-Collision System (PCS) .... 368
Enabling/disabling the
system ................................ 372
Function ................................ 368
Warning light ......................... 661
Radar cruise control
Dynamic radar cruise control
with full-speed range .......... 401
Radiator .................................... 593
Radio
*
RCTA (Rear Crossing Traffic
Alert) ....................................... 443
Blind Spot Monitor
function ............................... 439
Rear Crossing Traffic Alert
function ............................... 443Rear Crossing Traffic Alert
(RCTA) .................................... 443
Blind Spot Monitor
function ............................... 439
Rear Crossing Traffic Alert
function ............................... 443
Rear fog light ........................... 347
Replacing light bulbs............. 644
Switch ................................... 347
Rear passengers’ seat belt
reminder light ........................ 662
Rear seat .................................. 292
Rear seat reminder function ... 276
Rear turn signal lights............. 335
Replacing light bulbs............. 644
Turn signal lever ................... 335
Rear view mirror
Inside rear view mirror .......... 299
Outside rear view mirrors...... 301
Rear view monitor system
*
Rear window defogger ............ 527
Refueling .................................. 351
Capacity ................................ 716
Fuel types ............................. 716
Opening the fuel tank cap ..... 353
When the fuel filler door
cannot be opened............... 353
Regenerative braking ................ 93
Remote Air Conditioning
System ................................... 535
Replacing
Electronic key battery ........... 632
Fuses .................................... 635
Light bulbs ............................ 639
Tires ...................................... 612
Wiper insert........................... 629
Road accident cautions .......... 102
Road Sign Assist (RSA) .......... 395
RSA (Road Sign Assist) .......... 395
R
*: Refer to “Navigation system Owner’s manual”.

755Alphabetical index
Prius Plug-in Hybrid_OM_OM47F38E_(EE)
Side turn signal lights ............. 335
Replacing light bulbs ............. 644
Turn signal lever ................... 335
Side windows ........................... 303
Water-repellent coating ......... 567
Simple Intelligent Parking
Assist System (S-IPA) ........... 473
Smart entry & start system ..... 283
Antenna location ................... 283
Entry functions ...................... 273
Starting the hybrid system .... 323
Smart lid & connector
locking system ...................... 130
Snow tires................................. 516
Solar charging system ............ 178
Spark plug ................................ 720
Specifications .......................... 714
Speech command system
*
Speed limiter ............................ 420
Speedometer ............................ 212
SRS airbags................................ 39
Steering wheel ......................... 297
Adjustment ............................ 297
Audio switches
*
Meter control switches .......... 195
Talk switch
*
Telephone switches*
TRIP switch ........................... 214
Stop lights
Replacing light bulbs ............. 644
Storage feature ........................ 544
Storage precautions ................ 544
Stuck
If the vehicle becomes
stuck ................................... 710
Sun visors ................................ 555Switch
Adaptive High-beam System
switch ................................. 342
Audio remote control
switches
*
Camera switch*
Charging schedule switch ..... 169
Cruise control switch............. 401
Door lock switches ................ 275
Driving mode select switch ... 418
Emergency flashers switch ... 648
Engine switch........................ 323
EV City mode switch ............... 88
EV/HV mode selection
switch ................................... 88
Fog light switch ..................... 347
Fuel filler door opener
switch ................................. 353
“HUD” (Head-up display)
switch ................................. 256
Ignition switch ....................... 323
Instrument cluster light
control switch...................... 196
LTA (Lane Tracing Assist)
switch ................................. 387
Light switch ........................... 337
Meter control switches .......... 195
Outside rear view mirror
switches.............................. 301
P position switch ................... 330
Power door lock switches ..... 275
Power switch......................... 323
Power window switch............ 303
*: Refer to “Navigation system Owner’s manual”.