2022 TOYOTA PRIUS PRIME key battery

781What to do if... (Troubleshooting)
PRIUS PRIME_OM_OM47E74U_(U)
●Did you press the power switch while firmly depressing the brake pedal?
(P. 332)
●Is the shift position in P? ( P. 340)
●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. 709)
●Is the 12-volt battery discharged? ( P. 712)
●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. 309)
●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. 334)
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

786Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
Care................................... 574, 579Aluminum wheels.................. 575
Exterior ................................. 574
Front camera ........................ 373
Interior................................... 579
Radar sensor ........................ 372
Seat belts .............................. 582
Water-repellent coating......... 575
Cargo capacity ......................... 329
Catch protection function ....... 310
CD player
*
Chains....................................... 503
Charging ................................... 111 Charging cable...................... 116
Charging equipment ............. 111
Charging indicator................. 115
Charging messages .............. 186
Charging precautions............ 154
Charging procedure .............. 147
Charging time may
increase .............................. 136
Charging schedule function .. 158
High voltage components ....... 99
Information related to charging display ................. 141
Opening and closing the charging port lid .................. 112
Power sources precautions ......................... 134
Power sources that can be
used.................................... 132
Safety functions ............ 143, 152
When normal charging cannot be carried out.......... 181
Charging cable......................... 116 CCID (Charging Circuit
Interrupting Device) ............ 116
If the charging cable cannot be unlocked ............ 129
Indicator................................. 118
Maintenance ......................... 121
Safety functions .................... 117 Charging port........................... 111
Opening and closing ............. 112
Smart lid & connector
locking system...... .............. 122
If the charging port lid does
not open ............................. 125
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 ... 606
Airbag precautions.................. 40
Back door precautions .......... 287
Charging precautions ........... 142
Child restraint system ............. 58
How your child should wear the seat belt.......................... 32
Installing child restraints ......... 60
Power window lock switch .... 309
Power window precautions ... 311
Rear door child-protectors .... 282
Removed key battery precautions......................... 646
Riding with children ................ 57
Seat belt extender precautions........................... 34
Seat belt precautions .............. 69
Seat heater precautions ....... 535
Child-protectors ...................... 282
Cleaning ........................... 574, 579 Aluminum wheels ................. 575
Exterior ................................. 574
Front camera ........................ 373
Hybrid battery (traction
battery) air intake vent........ 580
Interior .................................. 579
C

788Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
Drive information ..................... 222
Drive-Start Control (DSC) ....... 315Sudden start restraint control................................. 315
Driver’s seat belt reminder
light......................................... 674
Driving ...................................... 314 Break-in tips .......................... 317
Correct driving posture ........... 28
Driving in the rain .................. 316
Driving mode select switch ... 425
Plug-in hybrid vehicle driving
tips ...................................... 106
Procedures ........................... 314
DSC (Drive-Start Control) ....... 315 Sudden start restraint control................................. 315
Winter drive tips .................... 502
Dynamic radar cruise control with full-speed range ............ 409
ECB (Electronically Controlled Brake System) .... 496
Eco drive mode ........................ 425
EDR (Event data recorder) ........ 11
Electric motor (traction motor) ....................................... 86 Location .................................. 86
Specification ......................... 729
Electric Power Steering (EPS)....................................... 497 Function ................................ 497
Warning light ......................... 672
Electronic key .......................... 274 Battery-saving function ......... 292
If the electronic key does
not operate properly ........... 708
Replacing the battery ............ 644 Electronically Controlled
Brake System (ECB) ............. 496
Emergency, in case of If a warning buzzer sounds... 671
If a warning light turns on ..... 671
If a warning message is displayed ............................ 681
If the 12-volt battery is
discharged.......................... 712
If the electronic key does not operate properly ................. 708
If the hybrid system will not start .................................... 706
If the vehicle becomes
stuck ................................... 723
If the vehicle is submerged or water on the road
is rising ............................... 662
If you have a flat tire ............. 689
If you lose your keys ..... 275, 278
If you think something is wrong .............................. 670
If your vehicle has to be
stopped in an emergency ... 661
If your vehicle needs to be towed.................................. 664
If your vehicle overheats....... 718
Emergency flashers ................ 660
Emergency tire puncture repair kit ................................. 689
Energy monitor ........ 223, 261, 266
E

792Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
Jack........................................... 627Positioning a floor jack .......... 597
Vehicle-equipped jack........... 627
Jack handle .............................. 627
Jam protection function.......... 310
Keyless entry ........................... 280 Smart key system ................. 290
Wireless remote control ........ 280
Keys .......................................... 274
Battery-saving function ......... 292
Electronic key ....................... 274
Engine switch........................ 332
If the electronic key does not operate properly ................. 708
If you lose your keys ..... 275, 278
Key number plate.................. 274
Keyless entry ........................ 280
Mechanical key ..................... 275
Power switch......................... 332
Replacing the battery ............ 644
Smart key system ................. 290
Warning buzzer..................... 291
Wireless remote control ........ 274
Knee airbags .............................. 36 Language (multi-information
display) .................................. 248
LATCH system ........................... 70
Lever Auxiliary catch lever.............. 595
Hood lock release lever ........ 595
Shift lever.............................. 339
Tilt and telescopic steering
lock release lever ............... 303
Turn signal lever ................... 345
Wiper lever ........................... 359
License plate lights ................. 347 Light switch ........................... 347
Replacing light bulbs ............ 657
Light AHB (Automatic High Beam)................................. 352
Door courtesy lights .............. 537
Emergency flasher switch..... 660
Fog light switch ..................... 357
Headlight switch ................... 347
Illuminated entry system ....... 539
Interior lights ................. 538, 539
Interior light list ..................... 537
Luggage compartment
light..................................... 286
Personal lights ...................... 538
Replacing light bulbs ............ 652
Shift lever light ...................... 537
Turn signal lever ................... 345
Vanity lights .......................... 549
Wattage ................................ 734
Light bulbs
Replacing.............................. 652
Wattage ................................ 734
Load capacity .......................... 329
LTA (Lane Tracing Assist) ...... 390
Luggage cover ......................... 547
J
K
L

795Alphabetical index
PRIUS PRIME_OM_OM47E74U_(U)
Radar cruise controlDynamic radar cruise control with full-speed range .......... 409
Radiator .................................... 604
Radio
*
RCTA (Rear Cross Traffic Alert) ....................................... 435 Blind Spot Monitor function ............................... 432
Rear Cross Traffic Alert function ............................... 435
Rear Cross Traffic Alert
(RCTA) .................................... 435 Blind Spot Monitor function ............................... 432
Rear Cross Traffic Alert function ............................... 435
Rear passengers’ seat belt
reminder light ........................ 674
Rear seat .................................. 298
Rear seat reminder function ... 284
Rear side marker lights ........... 347 Light switch ........................... 347
Replacing light bulbs............. 657
Rear turn signal lights............. 345 Replacing light bulbs............. 657
Turn signal lever ................... 345
Rear view mirror Inside rear view mirror .......... 305
Outside rear view mirrors...... 307
Rear view monitor system
*
Rear window defogger .... 512, 523
Refueling .................................. 365 Capacity ................................ 728
Fuel types ............................. 728
Opening the fuel tank cap ..... 367
When the fuel filler door cannot be opened............... 368
Regenerative braking ................ 95
Remote Air Conditioning System ................................... 531 Replacing
Electronic key battery ........... 644
Fuses .................................... 647
Light bulbs ............................ 652
Tires...................................... 626
Wiper insert .......................... 641
Reporting safety defects for U.S. owners...................... 764
Resetting the message
indicating maintenance is
required.................................. 586
Road accident cautions .......... 103
Road Sign Assist (RSA) .......... 405
RSA (Road Sign Assist) ......... 405
S-APGS (Simple Advanced Parking Guidance
System) .................................. 462
S-FLOW (Front seat concentrated airflow
mode) ............................. 510, 522
Safety Connect .......................... 76
Seat back pockets ................... 544
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........................ 582
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.... 674
Seat belt extender .................. 32
R
S
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.