2021 TOYOTA PRIUS PLUG-IN HYBRID warning light

807Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Main display ............................. 222
Maintenance
Do-it-yourself maintenance ... 631
Maintenance data ................. 770
Maintenance requirements ... 628
Malfunction indicator lamp ..... 715
Master warning light ................ 723
Meter ......................................... 204
Clock adjustment .................. 210
Combination meter................ 204
Head-up display .................... 264
Indicators .............................. 216
Instrument cluster light
control................................. 206
Main display .......................... 222
Multi-information display ....... 230
Warning lights ....................... 215
Warning messages ............... 723
Microphone
*
Mirrors
Inside rear view mirror .......... 348
Outside rear view mirror
defoggers............................ 577
Outside rear view mirrors ...... 350
Vanity mirrors ........................ 605Multi-information display ........ 230
Air conditioning system
settings screen ................... 252
Audio system-linked
display ................................ 251
BSM (Blind Spot Monitor) ..... 473
Display contents ................... 230
Drive information................... 232
Driving assist system
information.......................... 256
Dynamic radar cruise control
with full-speed range .......... 451
Energy monitor ..................... 233
Language .............................. 260
LTA (Lane Tracing Assist) .... 438
Parking Support Brake
function ............................... 516
Pre-collision warning............. 419
RSA (Road Sign Assist)........ 446
S-IPA (Simple Intelligent
Parking Assist System) ...... 527
Settings ................................. 257
Toyota parking assist
sensor................................. 500
Warning message ................. 256
M
*: Refer to “Navigation system Owner’s manual”.

808Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Navigation system*
Odometer .................................. 224
Oil
Engine oil .............................. 773
Opener
Back door .............................. 288
Fuel filler door ....................... 403
Hood ..................................... 634
Outside rear view mirrors ....... 350
Adjustment ............................ 350
BSM (Blind Spot Monitor) ..... 473
Folding .................................. 350
Outside rear view mirror
defoggers............................ 577
Outside temperature
display .................................... 222
Overhead console.................... 598
Overheating .............................. 761
P position switch ..................... 380
Panoramic view monitor
*
Parking assist sensors
Parking Support Brake
function ............................... 510
S-IPA (Simple Intelligent
Parking Assist System)....... 523
Toyota parking
assist-sensor ...................... 499Parking brake ........................... 386
Operation .............................. 386
Parking brake engaged
warning buzzer ................... 386
Parking lock ............................. 380
Parking Support Brake
function .................................. 510
PCS (Pre-Collision System) .... 418
Enabling/disabling the
system ................................ 422
Function ................................ 418
Warning light ......................... 716
Personal lights ......................... 591
Switch ................................... 592
Wattage ................................ 779
Plug-in hybrid system ............... 94
Driving tips ............................ 115
EV City mode .......................... 95
EV driving range ................... 119
EV mode ................................. 95
EV/HV mode selection
switch ................................... 98
Features.................................. 94
How to charge....................... 165
HV mode ................................. 95
Hybrid battery (traction
battery) charge mode ........... 95
Power control unit coolant ..... 641
Capacity ................................ 776
Checking ............................... 641
Preparing and checking
before winter....................... 566
Radiator ................................ 643
N
O
P

809Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Power outlets ........................... 606
Power sources ......................... 149
Power steering (Electric
Power Steering) ..................... 560
Function ................................ 560
Warning light ......................... 715
Power switch ............................ 373
Auto power off function ......... 375
Changing the power
switch modes...................... 375
If your vehicle has to be
stopped in an emergency ... 705
Starting the hybrid system .... 373
Power windows ........................ 352
Catch protection function ...... 353
Door lock linked window
operation............................. 354
Jam protection function ......... 353
Operation .............................. 352
Window lock switch ............... 352
Pre-Collision System (PCS) .... 418
Enabling/disabling the
system ................................ 422
Function ................................ 418
Warning light ......................... 716
Radar cruise control
Dynamic radar cruise control
with full-speed range .......... 451
Radiator .................................... 643
Radio
*
RCTA (Rear Crossing Traffic
Alert) ....................................... 493
Blind Spot Monitor
function ............................... 489
Rear Crossing Traffic Alert
function ............................... 493Rear Crossing Traffic Alert
(RCTA) .................................... 493
Blind Spot Monitor
function ............................... 489
Rear Crossing Traffic Alert
function ............................... 493
Rear fog light ........................... 397
Replacing light bulbs............. 700
Switch ................................... 397
Rear passengers’ seat belt
reminder light ........................ 717
Rear seat .................................. 341
Rear turn signal lights............. 385
Replacing light bulbs............. 700
Turn signal lever ................... 385
Rear view mirror
Inside rear view mirror .......... 348
Outside rear view mirrors...... 350
Rear view monitor system
*
Rear window defogger ............ 577
Refueling .................................. 401
Capacity ................................ 772
Fuel types ............................. 772
Opening the fuel tank cap ..... 403
When the fuel filler door
cannot be opened............... 403
Regenerative braking .............. 103
Remote Air Conditioning
System ................................... 585
Replacing
Electronic key battery ........... 688
Fuses .................................... 691
Light bulbs ............................ 695
Tires ...................................... 669
Wiper insert........................... 685
Road accident cautions .......... 112
Road Sign Assist (RSA) .......... 445
RSA (Road Sign Assist) .......... 445
R
*: Refer to “Navigation system Owner’s manual”.

810Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
S-FLOW (Front seat
concentrated airflow
mode)...................................... 575
S-IPA (Simple Intelligent
Parking Assist System) ........ 523
Seat back pockets ................... 599
Seat belts .................................... 34
Adjusting the seat belt............. 35
Child restraint system
installation............................. 68
Cleaning and maintaining
the seat belt ........................ 625
Emergency Locking
Retractor (ELR) .................... 36
How to wear your seat belt ..... 32
How your child should wear
the seat belt .......................... 36
Pregnant women, proper
seat belt use ......................... 37
Reminder light and buzzer .... 717
Seat belt pretensioners ........... 35
SRS warning light ................. 715
Seat heaters ............................. 589
Seats ................................. 339, 341
Adjustment ............................ 339
Adjustment precautions ........ 340
Armrest ................................. 613
Child seats/child restraint
system installation ................ 67
Cleaning ................................ 622
Front seats ............................ 339
Head restraint ....................... 343
Properly sitting in the seat....... 32
Rear seats............................. 341
Seat back pocket .................. 599
Seat heaters.......................... 589Sensor
AHS (Adaptive High-beam
System) .............................. 391
Automatic headlight
system ................................ 388
BSM (Blind Spot Monitor) ..... 488
Door handle .......................... 283
Front camera ........................ 406
Humidity sensor .................... 584
Inside rear view mirror .......... 349
Intrusion sensor ...................... 90
LTA (Lane Tracing Assist) .... 429
Parking Support Brake
function ............................... 499
Radar sensor ........................ 406
Rain-sensing windshield
wipers ................................. 399
RCTA (Rear Crossing Traffic
Alert function) ..................... 488
S-IPA (Simple Intelligent
Parking Assist System) ...... 553
Toyota parking
assist-sensor ...................... 499
Service plug ............................. 108
Service reminder indicators ... 214
Shift lever ................................. 379
Shift lever light......................... 591
Side airbags ............................... 39
Side doors ................................ 283
Side mirrors ............................. 350
Adjustment ............................ 350
BSM (Blind Spot Monitor) ..... 473
Folding .................................. 350
Outside rear view mirror
defoggers ........................... 577
S

812Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Rear window and outside
rear view mirror defoggers
switch.................................. 577
S-IPA switch.......................... 526
Seat heater switches............. 590
Speed limiter switch .............. 470
Talk switch
*
Telephone switches*
TRIP switch ........................... 224
Vehicle-to-vehicle distance
switch.................................. 459
VSC OFF switch ................... 561
Window lock switch ............... 352
Windshield wipers and
washer switch ..................... 398
Wireless charger power
supply switch ...................... 607
Tail lights .................................. 387
Light switch ........................... 387
Replacing light bulbs ............. 700
Talk switch
*
Telephone switch*
Theft deterrent system
Alarm....................................... 87
Double locking system ............ 86
Immobilizer system ................. 74
Intrusion sensor ...................... 90
Tire inflation pressure ............. 665
Maintenance data ................. 779
Warning light ......................... 718
Tire pressure warning
system .................................... 651
Function ................................ 651
Initializing .............................. 651
Installing tire pressure
warning valves and
transmitters......................... 651
Registering ID codes............. 653
Warning light ......................... 718Tires .......................................... 650
Chains................................... 567
Checking ............................... 650
Emergency tire puncture
repair kit.............................. 733
If you have a flat tire ............. 731
Inflation pressure .................. 665
Replacing .............................. 669
Rotating tires......................... 650
Size ....................................... 779
Snow tires ............................. 566
Tire pressure warning
system ................................ 651
Warning light ......................... 718
Tonneau cover ......................... 603
Tools ......................................... 670
Top strap .................................... 72
Top tether anchorages .............. 72
Towing
Emergency towing ................ 707
Towing eyelet........................ 709
Trailer towing ........................ 372
Toyota parking
assist-sensor ......................... 499
Toyota Safety Sense ............... 405
Traction battery (hybrid
battery) ................................... 108
Air intake vent ....................... 109
Charging ............................... 121
Location ................................ 108
Specification ......................... 773
Status indicator ..................... 123
Traction control (TRC) ............ 559
Function ................................ 559
VSC OFF switch ................... 561
Traction motor (electric
motor) ....................................... 94
Trailer towing ........................... 372
Transmission ........................... 379
Driving mode select switch ... 468
Hybrid transmission .............. 379
P position switch ................... 380
T

813Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
TRC (Traction Control) ............ 559
Function ................................ 559
VSC OFF switch ................... 561
Trip meters ............................... 224
Turn signal lights ..................... 385
Replacing light bulbs ............. 700
Turn signal lever ................... 385
USB port
*
Vanity lights ............................. 605
Wattage................................. 779
Vanity mirrors .......................... 605
Vehicle data recording .............. 10
Vehicle identification
number ................................... 771
Vehicle proximity notification
system .................................... 103
Vehicle Stability Control
(VSC)....................................... 559
VSC (Vehicle Stability
Control) .................................. 559
VSC+ (Vehicle Stability
Control+) ................................ 559Warning buzzers
Approach warning ................. 461
Brake system ........................ 714
LTA (Lane Tracing Assist) .... 434
Open door ..................... 286, 717
Parking Support Brake
function ............................... 516
Pre-collision warning............. 419
Radar cruise control.............. 461
RCTA (Rear Crossing Traffic
Alert)................................... 473
RSA (Road Sign Assist)........ 445
Seat belt reminder ................ 717
Shift position ......................... 381
Toyota parking assist
sensor................................. 503
U
V
W
*: Refer to “Navigation system Owner’s manual”.

814Alphabetical index
Prius Plug-in Hybrid_OM_OM47D72E_(EE)
Warning lights .......................... 215
ABS ....................................... 715
Brake Override System ......... 719
Brake system ........................ 714
Charging system ................... 714
Drive-Start Control ................ 719
Driver’s seat belt reminder
light ..................................... 717
Electronic engine control
system ................................ 715
Electric power steering
system ................................ 715
Front passenger’s seat belt
reminder light...................... 717
High coolant temperature...... 716
Low engine oil pressure ........ 715
Low fuel level ........................ 717
Malfunction indicator lamp .... 715
Master warning light .............. 717
Open door ............................. 717
Parking Support Brake
function ............................... 719
PCS....................................... 716
PKSB OFF indicator.............. 717
Rear passengers’ seat belt
reminder light...................... 717
Seat belt reminder light ......... 717
Slip indicator ......................... 716
SRS....................................... 715
Tire pressure ......................... 718
Warning messages .................. 723Warning reflector storage
space ...................................... 602
Washer...................................... 398
Checking ............................... 648
Preparing and checking
before winter....................... 566
Switch ................................... 398
Washing and waxing ............... 616
Water-repellent coating........... 617
Wheels ...................................... 667
Replacing wheels.................. 669
Size ....................................... 779
Window glasses....................... 352
Window lock switch ................ 352
Windows ................................... 352
Power windows ..................... 352
Rear window defogger .......... 577
Washer ................................. 398
Windshield wipers ................... 398
Handling the wiper arms ....... 621
Rain-sensing windshield
wipers ................................. 398
Replacing the wiper insert .... 685
Winter driving tips ................... 566
Wiper insert replacement........ 685
Wireless charger...................... 607
Wireless remote control.......... 278
Battery-Saving Function ....... 295
Locking/Unlocking................. 283
Remote Air Conditioning
System ............................... 585
Replacing the battery ............ 688