2022 TOYOTA PRIUS battery

716What to do if... (Troubleshooting)
PRIUS_OM_OM47F01U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by your Toyota dealer. ( P. 177)
●If you lose your electronic keys, the risk of vehicle theft inc reases signifi-
cantly. Contact your Toyota dealer immediately. ( P. 180)
●Is the electronic key battery weak or depleted? (P. 555)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 241)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of t he radio
wave. ( P. 194)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 184)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

717What to do if... (Troubleshooting)
PRIUS_OM_OM47F01U_(U)
●Did you press the power switch while firmly depressing the brake pedal?
(P. 239)
●Is the shift position in P? ( P. 250)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 192)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way.
(P. 644)
●Is the 12-volt battery discharged? ( P. 646)
●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. 212)
●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. 241)
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

721Alphabetical index
PRIUS_OM_OM47F01U_(U)
Anti-lock brake system (ABS) ...................................... 415
Function ................................ 415
Warning light ......................... 589
Approach warning ................... 331
Armrest ..................................... 480
Assist grips .............................. 481
Audio input
*
Audio system*
Automatic air conditioning system ............................ 430, 440
Air conditioning eco mode .......................... 433, 443
Air conditioning filter ............. 543
Automatic air conditioning
system ....... ................. 430, 440
Eco score (A/C score)........... 148
Front seat concentrated
airflow mode
(S-FLOW) ................... 432, 442
Automatic door locking and unlocking systems ................ 184
Automatic High Beam
(AHB) ...................................... 262
Automatic light control system .................................... 260
AUX port
*
Auxiliary box ............................ 459 Back door ................................. 187
Back-up light............................ 564
Replacing light bulb .............. 567
Wattage ................................ 670
Battery (12-volt battery) .......... 520
Battery checking ................... 520
If the 12-volt battery is discharged.......................... 646
Preparing and checking before winter ...................... 425
Replacing.............................. 649
Warning light......................... 588
Battery (traction battery) .......... 89 Air intake vent ......................... 90
Location .................................. 89
Specification ......................... 663
Blind Spot Monitor (BSM) ....... 344
Blind Spot Monitor function............................... 349
Rear Cross Traffic Alert
function............................... 352
Bluetooth
®*
B
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

722Alphabetical index
PRIUS_OM_OM47F01U_(U)
Bottle holders .......................... 458
BrakeFluid ...................................... 667
Parking brake........................ 256
Regenerative braking.............. 87
Warning light ......................... 588
Brake assist ............................. 415
Brake Override System ........... 223
Break-in tips ............................. 224
Brightness control Instrument cluster light
control................................. 100
BSM (Blind Spot Monitor) ....... 344 Blind Spot Monitor
function ............................... 349
Rear Cross Traffic Alert function ............................... 352
Care................................... 492, 498 Aluminum wheels.................. 493
Exterior ................................. 492
Front camera ........................ 285
Interior................................... 498
Radar sensor ........................ 284
Seat belts .............................. 499
Water-repellent coating......... 493
Cargo capacity ......................... 236
Cargo hooks............................. 462 Catch protection function....... 213
CD player
*
Chains ...................................... 426
Child restraint system............... 56
Fixed with a LATCH
system .......... ..................... ... 69
Fixed with a seat belt .............. 63
Front passenger occupant classification syst em ............ 49
Points to remember ................ 57
Riding with children ................ 55
Types of child restraint system installation method ............... 59
Using an anchor bracket......... 72
Child safety ................................ 55 12-volt battery precautions ... 522
Airbag precautions.................. 38
Back door precautions .......... 189
Child restraint system ............. 56
How your child should wear the seat belt.......................... 31
Installing child restraints ......... 59
Moon roof precautions .......... 220
Power window lock switch .... 212
Power window precautions ... 215
Rear door child-protectors .... 184
Removed key battery precautions......................... 557
Riding with children ................ 55
Seat belt extender precautions........................... 34
Seat belt precautions .............. 68
Seat heater precautions ....... 450
Child-protectors ...................... 184
C

723Alphabetical index
PRIUS_OM_OM47F01U_(U)
CleaningAluminum wheels.................. 493
Exterior ................................. 492
Front camera ........................ 285
Hybrid battery (traction
battery) air intake vent ........ 546
Interior................................... 498
Radar sensor ........................ 284
Seat belts .............................. 499
Water-repellent coating......... 493
Clock ........................................... 98
Adjustment ............................ 103
Coat hooks ............................... 480
Combination meter .................... 98 Clock adjustment .................. 103
Main display .......................... 115
Multi-information display ....... 124
Warning lights and indicators ............................ 107
Condenser ................................ 520
Console box ............................. 456
Consumption screen ....... 165, 170
Coolant ..................................... 518
Capacity ................................ 666
Checking ............................... 518
Preparing and checking before winter....................... 425
Cooling system ........................ 518 Engine overheating ............... 652
Hybrid system overheating ... 654
Cruise control Cruise control........................ 337
Dynamic radar cruise control with full-speed range .......... 321
Cup holders.............................. 457
Curtain shield airbags ............... 35
Customizable features ............ 686 Daytime running light
system.................................... 260
Deck board ............................... 461
Defogger Outside rear view
mirrors ........................ 434, 444
Rear window ................. 434, 444
Windshield .................... 434, 444
Dimension ................................ 660
Dinghy towing.......................... 238
Display BSM (Blind Spot Monitor) ..... 344
Drive information .................. 126
Dynamic radar cruise control with full-speed range .......... 321
Energy monitor ..... 127, 165, 170
Head-up display.................... 158
Intuitive parking assist .......... 359
LTA (Lane Tracing Assist) .... 311
Main display.......................... 115
Multi-information display ....... 124
Parking Support Brake function............................... 376
RCTA detection screen ........ 344
RSA (Road Sign Assist) ....... 318
S-APGS (Simple Advanced Parking Guidance
System) .............................. 385
Pre-collision warning ............ 292
Trip information..................... 119
Warning messages ............... 599
Do-it-yourself maintenance .... 508
Door courtesy lights ............... 452 Location ................................ 452
Wattage ................................ 670D
*: Refer to “MULTIMEDIA OWNER’S MANUAL”.

724Alphabetical index
PRIUS_OM_OM47F01U_(U)
DoorsAutomatic door locking and
unlocking system ................ 184
Back door.............................. 187
Door glasses ......................... 212
Door lock............................... 181
Open door warning buzzer ... 185
Open door warning light........ 590
Outside rear view mirrors...... 210
Rear door child-protectors .... 184
Side doors............................. 181
Side windows ........................ 212
Drive information ..................... 126
Drive-Start Control (DSC) ....... 223 Sudden start restraint control................................. 223
Driver’s seat belt reminder
light......................................... 591
Driving ...................................... 222 Break-in tips .......................... 224
Correct driving posture ........... 28
Driving in the rain .................. 223
Driving mode select switch ... 342
Hybrid vehicle driving tips ..... 422
Procedures ........................... 222
Winter drive tips .................... 425
DSC (Drive-Start Control) ....... 223
Sudden start restraint control................................. 223
Dynamic radar cruise control
with full-speed range ............ 321
ECB (Electronically Controlled Brake System) .... 415
Eco drive mode ........................ 342
EDR (Event data recorder) ........ 11
Electric motor (traction motor) Location .................................. 84
Specification ......................... 663 Electric Power Steering
(EPS) ...................................... 416
Function ................................ 416
Warning light......................... 589
Electronic key .......................... 176
Battery-saving function ......... 194
If the electronic key does not operate properly ........... 643
Replacing the battery............ 555
Electronically Controlled Brake System (ECB) ............. 415
Emergency flashers ................ 576
Emergency tire puncture repair kit ................................. 609
Emergency, in case of If a warning buzzer sounds... 588
If a warning light turns on ..... 588
If a warning message is displayed ............................ 599
If the 12-volt battery is
discharged.......................... 646
If the electronic key does not operate properly ........... 643
If the hybrid system will not start .............................. 641
If the vehicle becomes stuck ................................... 657
If the vehicle is submerged or water on the road is
rising................................... 578
If you have a flat tire ..... 607, 627
If you lose your keys ..... 177, 180
If you think something is wrong .............................. 587
If your vehicle has to be stopped in an emergency ... 577
If your vehicle needs to be towed.................................. 580
If your vehicle overheats....... 652
Energy monitor ........ 127, 165, 170
E

726Alphabetical index
PRIUS_OM_OM47F01U_(U)
Front turn signal lights ........... 255Replacing light bulbs............. 572
Turn signal lever ................... 255
Fuel ........................................... 671 Capacity ................................ 663
Fuel gauge ............................ 116
Information ............................ 671
Refueling............................... 277
Type ...................................... 663
Warning light ......................... 590
Fuel consumption............ 133, 168
Fuel filler door.......................... 277
Opener .................................. 279
Refueling............................... 277
When the fuel filler door cannot be opened............... 280
Fuses ........................................ 558
Garage door opener ................ 482
Glove box ................................. 456
Hands-free system (for
cellular phone)
*
Head restraints ........................ 203
Head-up display ....................... 158
Headlights ................................ 257 AHB (Automatic High Beam) ................................. 262
Headlight aim ................ 561, 713
Light switch ........................... 257
Replacing light bulbs............. 572
Heated steering wheel............. 450
Heaters Automatic air conditioning
system ....... ................. 430, 440
Heated steering wheel .......... 450
Outside rear view mirrors ........................ 434, 444
Seat heaters ......................... 450 High coolant temperature
warning light.......................... 590
High mounted stoplight Replacing.............................. 572
High-voltage components ........ 89
Hill-start assist control ........... 416
Hood ......................................... 511
Hooks
Cargo hooks ......................... 462
Coat hooks ........................... 480
Grocery bag hook ................. 463
Retaining hooks (floor mat) .... 26
Horn .......................................... 206
Hybrid battery (tr action battery)
Air intake vent ......................... 90
Location .................................. 89
Specification ......................... 663
Hybrid battery (traction battery) air intake vent............ 90 Cleaning ............................... 546
Hybrid system............................ 84 Brake Override System ........ 223
Drive-Start Control ................ 224
Emergency shut off system .... 90
Energy monitor/consumption
screen ................ 127, 165, 170
EV drive mode ...................... 246
High voltage components ....... 89
Hybrid System Indicator ....... 129
Hybrid system precautions ..... 89
Hybrid vehicle driving tips ..... 422
If the hybrid system will not start .................................... 641
Overheating .......................... 652
Power switch ........................ 239
Regenerative braking ............. 87
Starting the hybrid system .... 239
Vehicle proximity notification system .......... ..................... ... 85
Hybrid System Indicator ......... 129
Hybrid transmission................ 249
G
H

727Alphabetical index
PRIUS_OM_OM47F01U_(U)
I/M test ...................................... 507
Identification ............................ 661Engine................................... 662
Vehicle .................................. 661
Ignition switch (power
switch) .................................... 239 Auto power off function ......... 241
Automatic hybrid system shut off feature ........................... 243
Changing the power switch modes................................. 241
If your vehicle has to be stopped in an emergency ... 577
Starting the hybrid system .... 239
Illuminated entry system ........ 454
Immobilizer system ................... 96
Indicators ................................. 107
Initialization .............................. 697 Items to initialize ................... 697
Maintenance data ................. 502
Moon roof.............................. 219
Parking Support Brake function ............................... 377
Power windows ..................... 213
S-APGS (Simple Advanced Parking Guidance
System) .............................. 405
Tire pressure warning system ......... ....................... 531
Inside rear view mirror ............ 208
Instrument cluster light
control .................................... 100
Interior lights............................ 452
Switch ........................... 453, 454
Wattage ................................ 670
Intuitive parking assist............ 358 Jack
Positioning a floor jack.......... 513
Vehicle-equipped
jack ............................. 609, 628
Jack handle ...................... 609, 628
Jam protection function
Moon roof ............................. 218
Power windows..................... 213
Keyless entry ........................... 182 Smart key system ................. 192
Wireless remote control ........ 182
Keys .......................................... 176
Battery-saving function ......... 194
Electronic key ....................... 176
Engine switch (power switch) ................................ 239
If the electronic key does not operate properly ........... 643
If you lose your keys ..... 177, 180
Key number plate ................. 176
Keyless entry ........................ 182
Mechanical key ..................... 177
Power switch ........................ 239
Replacing the battery............ 555
Smart key system ................. 192
Warning buzzer .................... 193
Wireless remote control ........ 182
Knee airbag ................................ 35
IJ
K
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.