2017 TOYOTA PRIUS PRIME warning light

764What to do if... (Troubleshooting)
PRIUS PRIME_OM_OM47A88U_(U)
●The seat belt reminder light is flashing
Are the driver and all the passengers wearing the seat belts? (→P. 658)
●The parking brake indicator is on
Is the parking brake released? ( →P. 337)
Depending on the situation, other types of warning buzzer may also sound.
( →P. 653, 663)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( →P. 663)
●When a warning light turns on or a warning message is displayed, refer to \
P. 653, 663.
A warning buzzer sounds during driving
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

766Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Alphabetical index
A/C .................................... 488, 498Air conditioning eco
mode .......................... 490, 501
Air conditioning filter ............. 620
Automatic air conditioning system .... 488, 498
Eco score (A/C score)........... 228
Humidity sensor ............ 494, 505
Remote Air Conditioning System ............................... 509
S-FLOW mode .............. 489, 500
ABS (Anti-lock Brake System) .................................. 476 Function ................................ 476
Warning light ......................... 654
Air conditioning filter .............. 620
Air conditioning system ............................ 488, 498 Air conditioning eco mode .......................... 490, 501
Air conditioning filter ............. 620
Automatic air conditioning system .... 488, 498
Eco score (A/C score)........... 228
Humidity sensor ............ 494, 505
Remote Air Conditioning System ............................... 509
S-FLOW mode .............. 489, 500
Air intake vent ............................ 91 Airbags ....................................... 36
Airbag operating conditions .... 44
Airbag precautions for
your child .............................. 40
Airbag warning light .............. 654
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 ............... 749
SRS airbags ........................... 36
Anchor brackets ........................ 73
Antenna (smart key system) .................................. 278
Anti-lock brake system (ABS) ...................................... 476 Function ................................ 476
Warning light......................... 654
A

767Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Approach warning ................... 400
Assist grips .............................. 540
Audio input
*
Audio system*
Automatic air conditioning system ..... 488, 498 Air conditioning eco mode .......................... 490, 501
Air conditioning filter ............. 620
Automatic air conditioning system .... 488, 498
Eco score (A/C score)........... 228
Humidity sensor ............ 494, 505
Remote Air Conditioning System ............................... 509
S-FLOW mode .............. 489, 500
Automatic door locking
and unlocking systems ........ 270
Automatic High Beam ............. 343
Automatic light control system .................................... 341
AUX port
*
Auxiliary boxes ........................ 522
Back door ................................. 273
Back-up lights .......................... 635 Replacing light bulbs............. 636
Wattage ................................ 717
Battery (12-volt battery) .......... 587
Battery checking ................... 587
Exchanging ........................... 697
If the 12-volt battery is discharged .......................... 694
Preparing and checking before winter....................... 482
Warning light ......................... 653 Battery (traction battery) .......... 90
Air intake vent ......................... 91
Charging ............................... 102
Location .................................. 90
Specification ......................... 711
Status indicator ..................... 104
Blind Spot Monitor (BSM) ....... 408 Blind Spot Monitor function... 412
Rear Cross Traffic Alert
function............................... 415
Bluetooth
®*
Bottle holders .......................... 521
Brake Fluid ...................................... 716
Parking brake ....................... 337
Regenerative braking ............. 86
Warning light......................... 653
Brake assist ............................. 476
Brake Override System ........... 308
Break-in tips............................. 309
Brightness control Instrument cluster light control ......................... 182
BSM (Blind Spot Monitor) ....... 408 Blind Spot Monitor function... 412
Rear Cross Traffic Alert function............................... 415
Care .................................. 556, 561 Aluminum wheels ................. 557
Camera sensor ..................... 365
Exterior ................................. 556
Interior .................................. 561
Radar sensor ........................ 364
Seat belts.............................. 564
Water-repellent coating ........ 557
B
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

769Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Clock ......................................... 180Adjustment ............................ 185
Coat hooks ............................... 540
Combination meter .................. 180 Clock adjustment .................. 185
Main display .......................... 196
Multi-information display ....... 205
Warning lights and
indicators ............................ 188
Condenser ................................ 586
Console box ............................. 519
Consumption screen ....... 250, 256
Coolant ..................................... 584 Capacity ................................ 714
Checking ............................... 584
Preparing and checking before winter....................... 482
Cooling system ........................ 584 Engine overheating ............... 700
Hybrid system overheating ... 702
Cruise control .......................... 391 Dynamic radar cruise control with full-speed range .......... 391
Cup holders.............................. 520
Curtain shield airbags ............... 36
Customizable features ............ 732
Daytime running light system .................................... 341
Deck board ............................... 523
Defogger Outside rear view
mirrors ........................ 491, 502
Rear window ................. 491, 502
Windshield .................... 491, 501 Dimension ................................ 708
Dinghy towing.......................... 323
Display
BSM (Blind Spot Monitor) ..... 408
Drive information .................. 207
Dynamic radar cruise control with full-speed range .......... 391
Energy monitor ..... 208, 247, 253
Head-up display.................... 238
Intelligent Clearance Sonar.................................. 435
Intuitive parking assist .......... 421
LDA (Lane Departure Alert with steering control) .......... 385
Main display.......................... 196
Multi-information display ....... 205
Pre-collision warning ............ 369
S-APGS (Simple Advanced Parking Guidance
System) .............................. 446
Warning messages ............... 663
Do-it-yourself maintenance .... 574
Door courtesy lights ............... 515 Location ................................ 515
Wattage ................................ 717
Doors ................................ 267, 273 Automatic door locking
and unlocking system......... 270
Back door ............................. 273
Door glasses......................... 300
Door lock .............................. 267
Open door warning buzzer ... 655
Open door warning light ....... 655
Outside rear view mirrors ..... 298
Rear door child-protectors .... 270
Side doors ............................ 267
Side windows........................ 300
D
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

770Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Drive information ..................... 207
Drive-Start Control .................. 308
Driver’s seat belt reminder light......................................... 656
Driving ...................................... 306
Break-in tips .......................... 309
Correct posture ....................... 28
Driving in the rain .................. 307
Driving mode select switch ... 406
Plug-in hybrid vehicle driving tips ........................................ 97
Procedures ........................... 306
Winter drive tips .................... 482
Dynamic radar cruise control
with full-speed range ............ 391
ECB (Electronically Controlled Brake System) .... 476
Eco drive mode ........................ 406
EDR (Event data recorder) ........ 11
Electric motor (traction motor) ....................... 78
Location .................................. 78
Specification ......................... 711
Electric Power Steering (EPS)....................................... 477
Function ................................ 477
Warning light ......................... 654
Electronic key .......................... 262
Battery-saving function ......... 280
If the electronic key does not operate properly ........... 690
Replacing the battery ............ 627
Electronically Controlled Brake System (ECB) ............. 476 Emergency, in case of
If a warning buzzer sounds... 653
If a warning light turns on ..... 653
If a warning message is displayed ............................ 663
If the 12-volt battery is discharged.......................... 694
If the electronic key does
not operate properly ........... 690
If the hybrid system will not start .............................. 688
If you have a flat tire ............. 671
If you lose your keys ..... 263, 266
If you think something is wrong .............................. 652
If your vehicle becomes stuck ................................... 705
If your vehicle has to be stopped in an emergency ... 645
If your vehicle needs to be
towed.................................. 646
If your vehicle overheats....... 700
Emergency flashers ................ 644
Emergency tire puncture
repair kit ................................. 671
Energy monitor ........ 208, 247, 253
Engine Accessory mode ................... 326
Compartment ........................ 580
Engine switch ....................... 324
Exhaust gas precautions ........ 56
Hood ..................................... 577
How to start the hybrid system .......... ...................... 324
Identification number ............ 710
If the hybrid system will not start .............................. 688
If your vehicle has to be stopped in an emergency ... 645
Ignition switch (power switch) .................... 324
Overheating .......................... 700
Power switch ........................ 324
E

771Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Engine coolant ......................... 584Capacity ................................ 714
Checking ............................... 584
Preparing and checking before winter....................... 482
Engine oil ................................. 581 Capacity ................................ 712
Checking ............................... 581
Oil pressure warning light ..... 653
Preparing and checking before winter....................... 482
Engine switch .......................... 324 Auto power off function ......... 326
Changing the power switch modes...................... 326
If your vehicle has to be stopped in an emergency ... 645
Starting the hybrid system .... 324
EPS (Electronic Power Steering)................................. 477
Function ................................ 477
Warning light ......................... 654
EV auto mode............................. 79
EV driving range ...................... 100
EV mode ..................................... 79
EV/HV mode selection switch ....................................... 82
Event data recorder (EDR) ........ 11
Exhaust gas precautions .......... 56
Flat tire...................................... 671
Floor mats .................................. 26
Fluid Brake .................................... 716
Transmission ........................ 715
Washer ................................. 592
Fog lights ................................. 348 Replacing light bulbs............. 640
Switch ................................... 348 Footwell lights ......................... 515
Front doors .............................. 267
Front passenger occupant
classification system .............. 50
Front passenger’s seat
belt reminder light................. 656
Front seats ............................... 287 Adjustment............................ 287
Cleaning ............................... 561
Correct driving posture ........... 28
Head restraints ..................... 291
Seat heaters ......................... 513
Front side marker lights ......... 338 Light switch ........................... 338
Replacing light bulbs ............ 640
Front turn signal lights ........... 336 Replacing light bulbs ............ 640
Turn signal lever ................... 336
Fuel ........................................... 356 Capacity................................ 710
Fuel gauge............................ 196
Information............................ 718
Refueling .............................. 356
Type...................................... 710
Warning light......................... 655
Fuel consumption ... 218, 250, 256 Average fuel consumption .... 218
Current fuel consumption ..... 256
Fuel filler door ......................... 356 Opener.................................. 358
Refueling .............................. 356
When the fuel filler door cannot be opened .............. 359
Fuses ........................................ 630
Garage door opener ................ 541
Glove box ................................. 519
F
G

772Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Hands-free system (for cellular phone)
*
Head restraints ........................ 291
Head-up display ....................... 238
Headlights ................................ 338
Automatic High Beam system ......... ....................... 343
Headlight aim ................ 633, 758
Light switch ........................... 338
Replacing light bulbs............. 640
Heated steering wheel............. 514
Heaters
Automatic air conditioning system .... 488, 498
Heated steering wheel .......... 514
Outside rear view mirrors ........................ 491, 502
Seat heaters ......................... 513
High coolant temperature
warning light .......................... 655
High mounted stoplight Replacing .............................. 640
High-voltage components ........ 90
Hill-start assist control............ 477
Hood ......................................... 577
Hooks Coat hooks............................ 540
Grocery bag hook ................. 524
Retaining hooks (floor mat)..... 26
Horn .......................................... 294
HV mode ..................................... 79 Hybrid battery
(traction battery) ..................... 90
Air intake vent ......................... 91
Charging ............................... 102
Location .................................. 90
Specification ......................... 711
Status indicator ..................... 104
Hybrid battery (traction battery)
air intake vent .......................... 91
Hybrid system............................ 78 Brake Override System ........ 308
Consumption
screen ................ 218, 250, 256
Drive-Start Control ................ 308
Emergency shut off system .... 91
Energy monitor ..... 208, 247, 253
High voltage components ....... 90
Hybrid System Indicator ....... 210
If the hybrid system will not start .............................. 688
Overheating .......................... 700
Plug-in hybrid system precautions........................... 90
Plug-in hybrid vehicle driving tips........................................ 97
Power switch ........................ 324
Regenerative braking ............. 86
Starting the hybrid system .... 324
Vehicle proximity notification system................ 85
Hybrid System Indicator ......... 210
Hybrid transmission................ 330
H

773Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
I/M test ...................................... 573
Identification ............................ 709Engine................................... 710
Vehicle .................................. 709
Ignition switch
(power switch) ....................... 324 Auto power off function ......... 326
Changing the power switch modes...................... 326
If your vehicle has to be stopped in an emergency ... 645
Starting the hybrid system .... 324
Illuminated entry system ........ 517
Immobilizer system ................... 75
Indicators ................................. 188
Initialization .............................. 743 Intelligent Clearance
Sonar .................................. 439
Items to initialize ................... 743
Maintenance data ................. 568
Power windows ..................... 301
S-APGS (Simple Advanced Parking Guidance
System) .............................. 466
Tire pressure warning system ......... ....................... 596
Inside rear view mirror ............ 296
Instrument cluster light
control .................................... 182
Intelligent Clearance Sonar .... 430
Interior lights............................ 515
Switch ........................... 516, 517
Wattage ................................ 717
Intuitive parking assist............ 420 Jack .......................................... 610
Positioning a floor jack.......... 579
Vehicle-equipped jack .......... 610
Jack handle .............................. 610
Jam protection function ......... 301
Keyless entry ........................... 262 Smart key system ................. 278
Wireless remote control ........ 262
Keys .......................................... 262
Battery-saving function ......... 280
Electronic key ....................... 262
Engine switch ....................... 324
If the electronic key does not operate properly ........... 690
If you lose your keys ..... 263, 266
Key number plate ................. 262
Keyless entry ........................ 262
Keys...................................... 262
Mechanical key ..................... 263
Power switch ........................ 324
Replacing the battery............ 627
Smart key system ................. 278
Warning buzzer .................... 279
Wireless remote control key...................................... 262
Knee airbags .............................. 36
IJ
K
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.