2019 TOYOTA PRIUS PLUS battery

548What to do if... (Troubleshooting)
PRIUS +_OM_OM47D30E_(EE)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by any authorized Toyota retailer or Toyota authorized repairer, or
any reliable repairer. (P. 141)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immediately. (P. 143)
●Is the electronic key battery weak or depleted? (P. 417)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. (P. 227)
●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 the radio
wave. (P. 156)
●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. 147)
If you have a problem, check the following before contacting any
authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
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

549What to do if... (Troubleshooting)
PRIUS +_OM_OM47D30E_(EE)
●Did you press the power switch while firmly depressing the brake pedal?
( P. 224)
●Is the shift position in P? (P. 224)
●Is the electronic key anywhere detectable inside the vehicle? (P. 153)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way.
( P. 5 1 1 )
●Is the 12-volt battery discharged? (P. 513)
●Is the window lock switch pressed?
The power windows except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 208)
●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. 2 2 8 )
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

553Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Alarm......................................... 104
Alarm..................................... 104
Warning buzzer ..................... 444
Anchor brackets ........................ 67
Antenna
Smart entry & start system.... 153
Anti-lock brake system
(ABS) ...................................... 318
Function ................................ 318
Warning light ......................... 445
Approach warning ................... 307
Assist grips .............................. 357
Audio input
*
Audio system*
Automatic air conditioning
system
Air conditioning filter.............. 413
Automatic air conditioning
system ................................ 332
Automatic headlight leveling
system .................................... 243
Function ................................ 243
Warning light ......................... 449
Automatic High Beam ............. 244
Automatic light control
system .................................... 242
AUX port
*
Auxiliary boxes ................ 349, 351Back door ................................. 148
Back-up lights
Replacing light bulbs............. 428
Wattage ................................ 536
Battery (12-volt battery)
Battery checking ................... 389
If the 12-volt battery is
discharged .......................... 513
Preparing and checking
before winter....................... 327
Warning light ......................... 444
Battery (traction battery)........... 85
Bluetooth
®*
Bottle holders .......................... 347
Brake
Fluid ...................................... 534
Parking brake........................ 240
Regenerative braking.............. 82
Warning light ......................... 444
Brake assist ............................. 318
Brake Override System ........... 213
Break-in tips ............................. 214
Brightness control
Instrument cluster light
control................................. 120
B
*: Refer to the “Navigation and multimedia system Owner’s Manual”.

554Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Card holder............................... 350
Care
Aluminum wheels .................. 363
Exterior.................................. 362
Interior ................................... 367
Panoramic roof...................... 366
Radar sensor ........................ 262
Seat belts .............................. 368
Cargo hooks ............................. 351
CD player
*
Chains ....................................... 328
Child restraint system ............... 59
Baby seat definition................. 60
Baby seat installation .............. 68
Child seat definition................. 60
Child seat installation .............. 70
Installing CRS with ISOFIX
rigid anchors ......................... 74
Installing CRS with seat belt ... 68
Installing CRS with top strap ... 76
Junior seats definition ............. 60
Junior seat installation ............ 72
Child safety ................................ 58
12-volt battery precautions.... 391
Airbag precautions .................. 48
Back door precautions .......... 150
Child restraint system ............. 59
How your child should wear
the seat belt .......................... 42
Installing child restraints.......... 67
Power window lock switch .... 208
Power window precautions ... 210Rear door child-protectors .... 147
Removed key battery
precautions......................... 418
Seat belt precautions .............. 44
Seat heater precautions........ 341
Child-protectors....................... 147
Cleaning
Aluminum wheels.................. 363
Exterior ................................. 362
Interior................................... 367
Panoramic roof ..................... 366
Radar sensor ........................ 262
Seat belts .............................. 368
Climate remote control ........... 340
Clock ......................................... 355
Condenser ................................ 386
Console box ............................. 346
Coolant
Capacity ................................ 532
Checking ............................... 385
Preparing and checking
before winter....................... 327
Cooling system ........................ 385
Hybrid system overheating ... 518
Consumption screen ............... 134
Cruise control
Cruise control........................ 313
Dynamic radar cruise
control................................. 299
Cup holders.............................. 347
Curtain shield airbags ............... 46
Customizable features ............ 539
C

555Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Daytime running light
system .................................... 242
Defogger
Outside rear view mirrors ...... 335
Rear window ......................... 335
Windshield ............................ 335
Dimension ................................ 526
Display
Drive information ................... 128
Dynamic radar cruise
control................................. 299
Energy monitor............... 128,134
LDA (Lane Departure
Alert) ................................... 284
Multi-information display ....... 126
RSA (Road Sign Assist) ........ 295
Trip information ..................... 121
Warning messages ............... 458
Do-it-yourself maintenance .... 373
Door courtesy lights ................ 342
Location ................................ 342
Wattage................................. 536
Doors
Back door .............................. 148
Door glasses ......................... 208
Door lock ............................... 144
Open door warning buzzer.... 449
Open door warning light ........ 449
Outside rear view mirrors ...... 206
Rear door child-protectors .... 147
Side doors ............................. 144
Double locking system............ 103
Drive information ..................... 128Drive-Start Control .................. 213
Driver’s seat belt reminder
light......................................... 450
Driving
Break-in tips .......................... 214
Correct posture ....................... 36
Driving in the rain .................. 213
Driving mode select switch ... 317
Hybrid vehicle driving tips ..... 324
Procedures ........................... 212
Winter drive tips .................... 327
Dynamic radar cruise control
Function ................................ 299
Warning
message ............. 459, 461, 462
ECB (Electronically
Controlled Brake System) .... 318
Eco drive mode ........................ 317
Electric motor
Location .................................. 81
Specification ......................... 529
Electric Power Steering (EPS)
Function ................................ 318
Warning light ......................... 445
Electronic key
If the electronic key does not
operate properly ................. 511
Replacing the battery ............ 417
Electronically Controlled
Brake System (ECB) ............. 318
Emergency brake signal ......... 319
Emergency flashers ................ 434
D
E
*: Refer to the “Navigation and multimedia system Owner’s Manual”.

556Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Emergency, in case of
If a warning buzzer sounds ... 444
If a warning light turns on ...... 444
If a warning message is
displayed ............................ 458
If the 12-volt battery is
discharged .......................... 513
If the electronic key does not
operate properly ................. 511
If the hybrid system will not
start..................................... 509
If the vehicle is trapped in
rising water ......................... 436
If you have a flat tire...... 478, 492
If you lose your keys ............. 143
If you think something is
wrong .................................. 443
If your vehicle becomes
stuck ................................... 523
If your vehicle has to be
stopped in an emergency ... 435
If your vehicle needs to be
towed .................................. 437
If your vehicle overheats ....... 518
Energy monitor ........................ 134Engine
Accessory mode ................... 227
Compartment ........................ 379
Engine switch........................ 224
Exhaust gas precautions ........ 80
Hood ..................................... 375
How to start the hybrid
system ................................ 224
Identification number ............ 528
If the hybrid system will not
start .................................... 509
If your vehicle has to be
stopped in an emergency ... 435
Ignition switch
(power switch) .................... 224
Overheating .......................... 518
Power switch......................... 224
Engine coolant
Capacity ................................ 532
Checking ............................... 385
Preparing and checking
before winter....................... 327
Engine coolant temperature
warning light .......................... 449

558Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Front turn signal lights
Replacing light bulbs ............. 427
Turn signal lever ................... 239
Wattage................................. 536
Fuel
Capacity ................................ 528
Fuel gauge ............................ 118
Gas station information ......... 568
Information ............................ 537
Refueling ............................... 256
Type ...................................... 528
Warning light ......................... 449
Fuel filler door .......................... 258
Fuses ........................................ 419
Gas station information .......... 568
Gauges...................................... 117
Glove box ................................. 346
Head restraints......................... 199
Headlights ................................ 241
Automatic headlight
leveling ............................... 243
Automatic High Beam
system ................................ 244
Light switch ........................... 241
Replacing light bulbs ............. 430
Heaters
Automatic air conditioning
system ................................ 332
Outside rear view mirrors ...... 335
Seat heaters.......................... 341High mounted stoplight
Replacing .............................. 430
Hill-start assist control............ 319
Hood ......................................... 375
Hooks
Cargo hooks ......................... 351
Retaining hooks (floor mat)..... 34
Horn .......................................... 202
Hybrid battery (traction battery)
Location .................................. 85
Specification ......................... 529
Hybrid battery
(traction battery) air intake
vent ........................................... 86
Hybrid system ............................ 81
Brake Override System......... 213
Drive-Start Control ................ 213
Emergency shut off system .... 86
Energy monitor/consumption
screen.......................... 128,134
EV drive mode ...................... 231
High voltage components ....... 85
Hybrid System Indicator........ 124
Hybrid system precautions ..... 85
Hybrid vehicle driving tips ..... 324
If the hybrid system will not
start .................................... 509
Overheating .......................... 518
Power switch......................... 224
Regenerative braking.............. 82
Starting the hybrid system .... 224
Hybrid System Indicator ......... 124
Hybrid transmission ................ 233
G
H

559Alphabetical index
PRIUS +_OM_OM47D30E_(EE)
Identification
Engine ................................... 528
Vehicle .................................. 527
Ignition switch
(Power switch) ....................... 224
Auto power off function ......... 228
Changing the power switch
modes................................. 227
If your vehicle has to be
stopped in an emergency ... 435
Starting the hybrid
system ................................ 224
Ignition switch light
(power switch light)............... 342
Illuminated entry system......... 344
Immobilizer system ................... 91
Indicators.................................. 112
Initialization
Item to initialize ..................... 546
Tire pressure warning
system ................................ 395
Inside rear view mirror ............ 204
Instrument cluster light
control .................................... 120
Interior lights ............................ 342
Switch ........................... 343, 344
Wattage................................. 536
Intrusion sensor....................... 107
ISOFIX rigid anchors ................. 67Jack
Positioning a floor jack .......... 377
Vehicle-equipped jack... 479, 494
Jack handle ...................... 479, 494
Jam protection function
Panoramic roof shades ......... 358
Power windows ..................... 208
Keyless entry
Smart entry & start system ... 153
Wireless remote control ........ 140
Keys .......................................... 140
Electronic key ....................... 140
Engine switch........................ 224
If the electronic key does not
operate properly ................. 511
If you lose your keys ............. 143
Key number plate.................. 140
Keyless entry ........................ 140
Keys ...................................... 140
Mechanical key ..................... 140
Power switch......................... 224
Replacing the battery ............ 417
Warning buzzer..................... 154
Wireless remote control
key...................................... 140
Knee airbags .............................. 46
IJ
K