2020 TOYOTA PRIUS PRIME key

771What to do if... (Troubleshooting)
PRIUS PRIME_OM_OM47C77U_(U)
●Did you press the power switch while firmly depressing the brake pedal?
(P. 336)
●Is the shift position in P? ( P. 343)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 291)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way.
(P. 700)
●Is the 12-volt battery discharged? ( P. 703)
●Is the window lock switch pressed?
The power windows except for the one at the driver’s seat canno t be oper-
ated if the window lock switch is pressed. ( P. 312)
●The auto power off function will be operated if the vehicle is left in
ACCESSORY or ON mode (the hybrid system is not operating) for a
period of time. ( P. 338)
If you think something is wrong
The hybrid system does not start
The windows do not open or close by operating the power
window switches
The power switch is turned off automatically

772What to do if... (Troubleshooting)
PRIUS PRIME_OM_OM47C77U_(U)
●The seat belt reminder light is flashing
Are the driver and all the passengers wearing the seat belts? (P. 667)
●The parking brake indicator is on
Is the parking brake released? (P. 349)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 662, 672)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 672)
●When a warning light turns on or a warning message is displayed , refer to
P. 662, 672.
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
A warning light turns on or a warning message is displayed

774Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Alphabetical index
A/C .................................... 500, 511Air conditioning eco
mode .......................... 503, 514
Air conditioning filter ............. 628
Automatic air conditioning system .... 500, 511
Eco score (A/C score)........... 241
Humidity sensor ............ 510, 521
Remote Air Conditioning System ............................... 522
S-FLOW mode .............. 501, 513
ABS (Anti-lock Brake System) .................................. 489 Function ................................ 489
Warning light ......................... 663
Air conditioning filter .............. 628
Air conditioning system ............................ 500, 511 Air conditioning eco mode .......................... 503, 514
Air conditioning filter ............. 628
Automatic air conditioning system .... 500, 511
Eco score (A/C score)........... 241
Humidity sensor ............ 510, 521
Remote Air Conditioning System ............................... 522
S-FLOW mode .............. 501, 513
Air intake vent ............................ 99 Cleaning................................ 570 Airbags ....................................... 36
Airbag operating conditions .... 44
Airbag precaut ions for your
child ...................................... 40
Airbag warning light .............. 663
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 45
Curtain shield airbag precautions........................... 42
Front passenger occupant
classification syst em ............ 50
General airbag precautions .... 39
Locations of airbags ............... 36
Modification and disposal of airbags ................................. 43
Side airbag operating
conditions ............................. 45
Side airbag precautions .......... 41
Side and curtain shield airbags operating
conditions ............................. 45
Side and curtain shield
airbags precautions .............. 42
SRS airbag instructions for Canadian owners ............... 757
SRS airbags ........................... 36
Anchor brackets ........................ 73
Antenna Smart key system ................. 290
Anti-lock brake system (ABS) ...................................... 489 Function ................................ 489
Warning light......................... 663
A

776Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Cargo capacity ......................... 333
Catch protection function ....... 313
CD player
*
Chains....................................... 496
Charging ................................... 110Charging cable...................... 115
Charging equipment ............. 110
Charging indicator................. 114
Charging messages .............. 185
Charging precautions............ 153
Charging procedure .............. 146
Charging time may increase .............................. 135
Charging timer function......... 157
High voltage components ....... 98
Information related to charging display ................. 140
Opening and closing the charging port lid .................. 111
Power sources
precautions ......................... 133
Power sources that can be used.................................... 131
Safety functions ............ 142, 151
When normal charging cannot be carried out.......... 180
Charging cable......................... 115
CCID (Charging Circuit Interrupting Device) ............ 115
If the charging cable
cannot be unlocked ............ 128
Indicator................................. 117
Maintenance ......................... 120
Safety functions .................... 116
Charging port ........................... 110 Opening and closing ............. 111
Smart lid & connector
locking system ..... ............... 121
If the charging port lid does
not open ............................. 124 Child restraint system............... 58
Fixed with a LATCH
system .......... ..................... ... 70
Fixed with a seat belt .............. 64
Front passenger occupant classification syst em ............ 50
Points to remember ................ 58
Riding with children ................ 57
Types of child restraint system installation method ............... 60
Using an anchor bracket......... 73
Child safety ................................ 57 12-volt battery precautions ... 596
Airbag precautions.................. 40
Back door precautions .......... 287
Charging precautions ........... 141
Child restraint system ............. 58
How your child should wear the seat belt.......................... 32
Installing child restraints ......... 60
Power window lock switch .... 312
Power window precautions ... 314
Rear door child-protectors .... 282
Removed key battery
precautions......................... 637
Riding with children ................ 57
Seat belt extender precautions........................... 34
Seat belt precautions .............. 69
Seat heater precautions ....... 526
Child-protectors ...................... 282
Cleaning ........................... 564, 569 Aluminum wheels ................. 565
Camera sensor ..................... 377
Exterior ................................. 564
Hybrid battery (traction
battery) air intake vent........ 570
Interior .................................. 569
Radar sensor ........................ 376
Seat belts.............................. 572
Water-repellent coating ........ 565

778Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Drive information ..................... 220
Drive-Start Control .................. 320
Driver’s seat belt reminder light......................................... 664
Driving ...................................... 318
Break-in tips .......................... 321
Correct driving posture ........... 28
Driving in the rain .................. 319
Driving mode select switch ... 419
Plug-in hybrid vehicle driving tips ...................................... 105
Procedures ........................... 318
Winter drive tips .................... 495
Dynamic radar cruise control
with full-speed range ............ 403
ECB (Electronically Controlled Brake System) .... 489
Eco drive mode ........................ 419
EDR (Event data recorder) ........ 11
Electric motor (traction motor) ....................................... 86
Location .................................. 86
Specification ......................... 721
Electric Power Steering (EPS)....................................... 490
Function ................................ 490
Warning light ......................... 663
Electronic key .......................... 274
Battery-saving function ......... 292
If the electronic key does not operate properly ........... 699
Replacing the battery ............ 635 Electronically Controlled
Brake System (ECB) ............. 489
Emergency, in case of If a warning buzzer sounds... 662
If a warning light turns on ..... 662
If a warning message is displayed ............................ 672
If the 12-volt battery is
discharged.......................... 703
If the electronic key does not operate properly ................. 699
If the hybrid system will not start .................................... 697
If the vehicle becomes
stuck ................................... 714
If the vehicle is trapped in rising water ......................... 654
If you have a flat tire ............. 680
If you lose your keys ..... 275, 278
If you think something is wrong .............................. 661
If your vehicle has to be stopped in an emergency ... 653
If your vehicle needs to be towed.................................. 655
If your vehicle overheats....... 709
Emergency flashers ................ 652
Emergency tire puncture
repair kit ................................. 680
Energy monitor ........ 221, 260, 266
E

782Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Jack........................................... 618Positioning a floor jack .......... 587
Vehicle-equipped jack........... 618
Jack handle .............................. 618
Jam protection function.......... 313
Keyless entry ........................... 280 Smart key system ................. 290
Wireless remote control ........ 280
Keys .......................................... 274
Battery-saving function ......... 292
Electronic key ....................... 274
Engine switch........................ 336
If the electronic key does not operate properly ................. 699
If you lose your keys ..... 275, 278
Key number plate.................. 274
Keyless entry ........................ 280
Mechanical key ..................... 275
Power switch......................... 336
Replacing the battery ............ 635
Smart key system ................. 290
Warning buzzer..................... 291
Wireless remote control ........ 274
Knee airbags .............................. 36 Language (multi-information
display) .................................. 246
LATCH system ........................... 70
LDA (Lane Departure Alert with steering control) ........... 393
Lever Auxiliary catch lever.............. 585
Hood lock release lever ........ 585
Shift lever.............................. 342
Tilt and telescopic steering lock release lever ............... 306
Turn signal lever ................... 348
Wiper lever ........................... 362
License plate lights ................. 350
Light switch ........................... 350
Replacing light bulbs ............ 648
Light
Automatic High Beam ........... 355
Door courtesy lights .............. 528
Emergency flasher switch..... 652
Fog light switch ..................... 360
Headlight switch ................... 350
Illuminated entry system ....... 530
Interior lights ................. 529, 530
Interior light list ..................... 528
Luggage compartment light..................................... 286
Personal lights ...................... 529
Replacing light bulbs ............ 643
Shift lever light ...................... 528
Turn signal lever ................... 348
Vanity lights .......................... 540
Wattage ................................ 726
Light bulbs Replacing.............................. 643
Wattage ................................ 726
Load capacity .......................... 333
Luggage cover ......................... 538
J
K
L

785Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Radar cruise controlDynamic radar cruise control with full-speed range .......... 403
Radiator .................................... 594
Radio
*
RCTA (Rear Cross Traffic Alert) ....................................... 428 Blind Spot Monitor function ............................... 425
Rear Cross Traffic Alert function ............................... 428
Rear Cross Traffic Alert
(RCTA) .................................... 428 Blind Spot Monitor function ............................... 425
Rear Cross Traffic Alert function ............................... 428
Rear passengers’ seat belt
reminder light ........................ 665
Rear seat .................................. 301
Rear side marker lights ........... 350
Light switch ........................... 350
Replacing light bulbs............. 648
Rear turn signal lights............. 348
Replacing light bulbs............. 648
Turn signal lever ................... 348
Rear view mirror Inside rear view mirror .......... 308
Outside rear view mirrors...... 310
Rear view monitor system
*
Rear window defogger .... 504, 515
Refueling .................................. 368 Capacity ................................ 720
Fuel types ............................. 720
Opening the fuel tank cap ..... 370
When the fuel filler door cannot be opened............... 371
Regenerative braking ................ 94
Remote Air Conditioning System ................................... 522 Replacing
Electronic key battery ........... 635
Fuses .................................... 638
Light bulbs ............................ 643
Tires...................................... 617
Wiper insert .......................... 632
Reporting safety defects for U.S. owners...................... 754
Resetting the message
indicating maintenance is
required.................................. 576
Road accident cautions .......... 102
S-APGS (Simple Advanced Parking Guidance
System) .................................. 455
S-FLOW mode.................. 501, 513
Safety Connect .......................... 76
Seat back pockets ................... 535
Seat belts ................................... 30 Adjusting the seat belt ............ 31
Automatic Locking Retractor (ALR) .................... 31
Child restra int system
installation ............................ 64
Cleaning and maintaining
the seat belt........................ 572
Emergency Locking Retractor (ELR) .................... 31
How to wear your seat belt ..... 30
How your child should wear the seat belt.......................... 32
Pregnant women, proper seat belt use ......................... 33
Reminder light and buzzer.... 664
Seat belt extender .................. 32
Seat belt instructions for Canadian owners ............... 755
Seat belt pretensioners........... 31
SRS warning light ................. 663
Seat heaters ............................. 526
R
S
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

786Alphabetical index
PRIUS PRIME_OM_OM47C77U_(U)
Seating capacity ...................... 333
Seats ................................. 299, 301Adjustment ............................ 299
Adjustment precautions ........ 300
Armrest ................................. 553
Child seats/child restraint
system installation . ............... 60
Cleaning................................ 569
Front seats ............................ 299
Head restraint ....................... 303
Properly sitting in the seat ...... 28
Rear seats ............................ 301
Seat back pocket .................. 535
Seat heaters ......................... 526
Sensor
Automatic headlight system ......... ....................... 353
Automatic High Beam ........... 355
BSM (Blind Spot Monitor) ..... 424
Camera sensor ..................... 375
Door handle .......................... 279
Humidity sensor ............ 510, 521
Inside rear view mirror .......... 309
Intuitive parking assist .......... 433
LDA (Lane Departure Alert
with steering control) .......... 393
Parking Support Brake function ............................... 444
Radar sensor ........................ 375
Rain-sensing windshield wipers ................................. 366
RCTA (Rear Cross Traffic Alert function) ..................... 424
S-APGS (Simple Advanced
Parking Guidance
System) .............................. 484
Service plug ............................... 98
Service reminder indicators ... 201
Shift lever ................................. 342
Shift lever light......................... 528
Side airbags ............................... 36
Side doors ................................ 279 Side marker lights ................... 350
Light switch ........................... 350
Replacing light bulbs ............ 648
Side mirrors ............................. 310 Adjustment............................ 310
BSM (Blind Spot Monitor) ..... 421
Folding .................................. 310
Outside rear view mirror
defoggers ................... 504, 515
Side windows........................... 312 Water-repellent coating ........ 565
Simple Advanced Parking Guidance System
(S-APGS) ................................ 455
Smart key system .................... 290 Antenna location ................... 290
Entry functions ...................... 279
Starting the hybrid system .... 336
Smart lid & connector locking system ...................... 121
Snow tires ................................ 495
“SOS” button ............................. 76
Spark plug ................................ 723
Specifications .......................... 718
Speedometer............................ 209
SRS airbags ............................... 36
Steering wheel ......................... 306 Adjustment............................ 306
Audio switches
*
Heated steering wheel .......... 526
Meter control switches .......... 193
Talk switch
*
Telephone switches*
TRIP switch .......................... 211
Stop lights Replacing light bulbs ............ 648
Storage feature ........................ 531
Storage precautions................ 531
Stuck If the vehicle becomes stuck ................................... 714
Sun visors ................................ 540