2023 TOYOTA MIRAI warning light

542What to do if... (Troubleshooting)
Owners Manual_USA_M62064_en
 Is the message displayed on
the multi-information display?
Check the message on the multi-
information display. ( P.464)
 When a warning light turns on
or a warning message is dis-
played, refer to P.454, 464.
 Stop the vehicle in a safe
place and repair the flat tire
temporarily with the emer-
gency tire puncture repair kit.
( P.467)
 Try the procedure for when
the vehicle becomes stuck in
mud, dirt, or snow. ( P.494)
A warning buzzer sounds
when leaving the vehicle
A warning light turns on
or a warning message is
displayed
When a problem has
occurred
If you have a flat tire
The vehicle becomes
stuck

Owners Manual_USA_M62064_en
543Alphabetical Index
Alphabetical Index
A
A/C ................................... 333, 340Air conditioning filter ............. 432
Automatic air conditioning sys-tem ............................. 333, 340
Eco air conditioning mode .. 334, 341
Front seat concentrated airflow mode (S-FLOW) ................. 345
ABS (Anti-lock Brake System) ............................................... 322Warning light ........................ 456
ACA (Active Cornering Assist) ............................................... 322
ACC ......................................... 183
Active Cornering Assist (ACA) ............................................... 322
Active Sound Control (ASC).. 196
AHB (Automatic High Beam) . 200
Air conditioning filter ............. 432
Air conditioning system 333, 340 Air conditioning filter ............. 432
Automatic air conditioning sys-tem ............................. 333, 340
Eco air conditioning mode .. 334, 341
Front seat concentrated airflow mode (S-FLOW) ................. 345
Air purification screen ........... 119
Airbags ...................................... 34 Airbag operating conditions.... 36
Airbag precautions for your child............................................. 39
Correct driving posture ........... 27
Curtain shield airbag operating conditions ............................. 37
Curtain shield airbag precautions ............................................. 39
Front passenger occupant clas- sification system ................... 46 General airbag precautions ....39
Locations of airbags ...............34
Modification and disposal of air-
bags......................................42
Side airbag operating conditions .............................................37
Side airbag precautions..........39
Side and curtain shield airbags operating conditions .............37
Side and curtain shield airbags precautions ...........................39
SRS airbags ...........................34
SRS warning light .................455
Alarm .........................................71 Warning buzzer ....................454
ALL AUTO control ..................332
Anchor brackets ... ..............54, 62
Antennas (smart key system)136
Anti-lock Brake System (ABS) ...............................................322Warning light.........................456
Approach warning ..................251
Armrest ......... ......................... ..371
ASC (Active Sound Control) ..196
Assist grips .............................371
Audio system-linked display . 111
Automatic air conditioning sys- tem .................................333, 340Eco air conditioning mode ..334, 341
Automatic air conditioning sys- tem (vehicles with 12.3-inch dis-
play) .......................................340
Automatic air conditioning sys- tem (vehicles with 8-inch dis-
play) .......................................333
Automatic headlight leveling system ...................................199
Automatic High Beam ............200
Automatic light control system ...............................................199

544Alphabetical Index
Owners Manual_USA_M62064_en
Auxiliary boxes ....................... 360
Average fuel economy ........... 107
Average vehicle speed........... 111
B
Back-up lights Replacing light bulbs ............ 443
Battery (12-volt battery) ......... 413 Battery checking................... 413
If the 12-volt battery is dis-charged .............................. 485
Preparing and c hecking before
winter.................................. 327
Warning light ........................ 455
Battery (traction battery) ......... 81
Blind Spot Monitor (BSM) ...... 256 Enabling/disabling the system........................................... 258
Brake Brake hold ............................ 194
Fluid ............................. 412, 500
Parking brake ....................... 191
Warning light ........................ 454
Brake assist ............................ 322
Break-in tips ........ ................... 170
Brightness control Instrument panel light control................................... 100, 104
BSM (Blind Spot Monitor) ...... 256 Enabling/disabling the system........................................... 258
Buzzer Hands off steering wheel warn-ing (LTA) ............................. 239
Vehicle sway warning function (LTA) ................................... 240
C
Camera Front camera ........................214
Rear camera.........................278
Toyota Teammate Advanced Park ....................................297
Care..................................392, 396 Aluminum wheel ornaments .392
Aluminum wheels .................392
Exterior .................................392
Interior ..................................396
Roof film ...............................393
Seat belts .............................396
Traction battery air intake vents...........................................433
Cargo and luggage .................175
Cargo capacity ........................178
Chains......................................329
Child restraint system ..............52 Fixed with a LATCH system ...60
Fixed with a seat belt..............56
Front passenger occupant clas-sification system ...................46
Points to remember ................52
Riding with children ................51
Types of child restraint system installation method ...............54
Using an anchor bracket ........62
Child safety ...............................51 12-volt battery precautions .414, 488
Airbag precautions .................39
Child restraint system .............54
Electronic sunshade .............364
Heated steering wheel and seat heater precautio ns..............351
How your child should wear the seat belt ................................30
Power window lock switch ....164
Power window precautions...163
Rear door child-protectors ....130

Owners Manual_USA_M62064_en
Alphabetical Index545
Riding with children ................ 51
Seat belt extender precautions............................................. 30
Seat belt precautions ....... 29, 51
Trunk precautions................. 132
Child-protectors ..................... 130
Cleaning .......................... 392, 396 Aluminum wheel ornaments . 392
Aluminum wheels ................. 392
Exterior ................................. 392
Interior .................................. 396
Radar sensor........................ 215
Roof film ............................... 393
Seat belts ............................. 396
Clock ................................. 99, 102
Coat hooks .............................. 372
Condenser .............................. 411
Console box ............................ 360
Consumption screen.............. 119
Coolant .................................... 410 Capacity ............................... 498
Checking .............................. 410
Preparing and c hecking before
winter.................................. 327
Cooling system ...................... 410 Fuel cell system overheating 491
Overheating.......................... 491
Cruise control Dynamic radar cruise control with full-speed range .......... 244
Cup holders ............................ 359
Current fuel economy ............ 107
Curtain shield airbags ............. 34
Customizable features ........... 512
D
Daytime running light system198
Defogger Outside rear view mirrors ... 335, 342
Rear window ................ 335, 342
Windshield.................... 334, 342 Digital Rear-view Mirror .........150
Dimension ...............................496
Dinghy towing .........................179
Display
Dynamic radar cruise control with full-speed range ..........244
Head-up display ................... 114
Intuitive parking assist ..........262
LTA (Lane Tracing Assist) .....236
Multi-information display.......105
Parking Support Brake function (pedestrians rear of the vehicle)...........................................292
RCD (Rear Camera Detection) ...........................................278
Rear Camera Detection (RCD) ...........................................278
Warning message.................464
Display change button ...100, 104
Do-it-yourself maintenance ...400
Door courtesy lights...............355
Door lock Doors ....................................127
Smart key system .................136
Wireless remote control........125
Doors .......................................127 Automatic door locking and unlocking system ................131
Door glasses ........................162
Door lock ..............................127
Open door warning buzzer .128, 130
Outside rear view mirrors .....160
Rear door child-protectors ....130
Drive distance ......................... 111
Drive information .................... 111
Driver’s seat position memory ...............................................142Driving position memory .......142
Memory recall function .........144
Power easy access system ..142

546Alphabetical Index
Owners Manual_USA_M62064_en
Driving ..................................... 169 Break-in tips ......................... 170
Correct driving posture ........... 27
Driving mode select switch... 320
Fuel cell electric vehicle driving tips........................................ 91
Procedures ........................... 169
Winter drive tips ................... 327
Driving information display ... 107
Driving position memory ....... 142 Memory recall function ......... 144
Power easy access system .. 142
Driving range .................... 99, 102
Driving support system informa- tion display ........................... 110
Dynamic radar cruise control with full-speed range ........... 244Approach warning ................ 251
Warning message ................ 254
E
ECB (Electronically Controlled Brake System) ...................... 322Warning light ........................ 454
ECO Accelerator Guidance ... 108
Eco score ................................ 108
EDR (Event data recorder)......... 8
Elapsed time ........................... 111
Electric motor (traction motor) ........................................... 76, 81Location.................................. 81
Specification ......................... 498
Electric Power Steering (EPS) ............................................... 322Warning light ........................ 456
Electronic key ......................... 124 Battery-saving function......... 137
If the electronic key does not operate properly ................. 482
Replacing the battery ........... 436
Electronic sunshade .............. 363 Operation ............................. 363 Electronically Controlled Brake
System (ECB) ........................322Warning light.........................454
Emergency flashers ...............446
Emergency shut off system.....89
Emergency tire puncture repair kit ...........................................467Storage location ...................469
Emergency, in case of If a warning buzzer sounds ..454
If a warning light turns on .....454
If a warning message is dis-played .................................464
If the 12-volt battery is dis- charged ..............................485
If the electronic key does not operate properly .................482
If the fuel cell system will not start ....................................480
If the fuel door cannot be opened ...........................................482
If the vehicle is submerged or water on the road is rising ..447
If you have a flat tire .............467
If you lose your keys.............481
If you think something is wrong ...........................................453
If your vehicle becomes stuck ...........................................494
If your vehicle has to be stopped in an emergency .................446
If your vehicle needs to be towed ...........................................449
If your vehicle ove rheats ......490
Energy monitor ....................... 119
EPS (Electric Po wer Steering)
...............................................322 Warning light.........................456
Event data recorder (EDR) .........8

Owners Manual_USA_M62064_en
Alphabetical Index547
F
Flat tire .................................... 467Tire pressure warning system........................................... 418
Floor mats ................................. 26
Fluid Brake .................................... 500
Transmission ........................ 500
Washer ................................. 412
Footwell light .................... ...... 355
Front footwell lights ............... 355
Front passenger occupant clas- sification system .................... 46
Front seats .............................. 141 Adjustment ........................... 141
Cleaning ............................... 396
Correct driving posture ........... 27
Driving position memory....... 142
Head restraints ..................... 145
Memory recall function ......... 144
Power easy access system .. 142
Seat heaters ......................... 351
Seat position memory .......... 142
Seat ventilators .................... 351
Front side marker light Light switch .......................... 198
Replacing light bulbs ............ 443
Front turn signal lights .......... 190 Replacing light bulbs ............ 443
Turn signal lever ................... 190
Fuel .......................................... 210 Capacity ............................... 497
Fuel gauge ..................... 99, 102
Refueling .............................. 210
Type ..................................... 497
Warning light ........................ 460
Fuel Cell Electric Vehicle ......... 76 Charging the traction battery .. 78
Driving tips ............................. 91
Handling hydrogen gas .......... 86
Hydrogen gas ......................... 85 Hydrogen-related components81
Maintenance, repair, recycling,
and disposal .........................78
Power output restriction ..........84
Power switch ........................180
Regenerative braking .............78
Road accident cautions ..........88
Running out of fuel .................83
Service plugs ..........................87
Sounds and vibrations ............77
Starting the system ...............180
Traction battery air intake vents .............................................90
Fuel cell electric vehicle driving tips ...........................................91
Fuel cell stack .....................76, 81 Fuel cell stack cover .............409
Fuel cell stack coolant ...........410 Checking ..............................410
Preparing and checking before winter ..................................327
Fuel cell stack cover ..............409
Fuel cell system ........................76 Acoustic vehicle alerting system.............................................79
Emergency shut off system ....89
High voltage components .......81
If the fuel cell system will not start ....................................480
Overheating ..........................491
Power switch ........................180
Precautions ............................81
Predictive efficient drive..........79
Starting the fuel cell system .180
Water release .......................196
Fuel cell System Indicator ...103, 108, 118
Fuel cell unit Compartment........................408
Fuel cell unit compartment cover...........................................409

Owners Manual_USA_M62064_en
Alphabetical Index549
Instrument panel light control
....................................... 100, 104
Interior lights .......................... 355
Intuitive parking assist .......... 261 Enabling/disabling the system........................................... 262
Function ............................... 261
Warning lights....................... 457
Warning message ................ 263
Inverter coolant ...................... 410 Checking .............................. 410
Ion filter ..................................... 84
J
Jack Positioning a floor jack ......... 406
Jam protection function Power windows .................... 162
K
Keyless entrySmart key system................. 136
Wireless remote control ....... 125
Keys ......................................... 124 Battery-saving function......... 137
Electronic key ....................... 124
If the electronic key does not operate properly ................. 482
If you lose your keys ............ 481
Key number plate ................. 124
Keyless entry................ 127, 136
Mechanical key .................... 124
Power switch ........................ 180
Replacing the battery ........... 436
Warning buzzer .................... 136
Wireless remote control ....... 125
Knee airbags ............................. 34
L
Lane Tracing Assist (LTA) ......230 Operation..............................230
Warning lights .......................457
Warning messages ...............240
Language (multi-information dis- play) ....................................... 111
LATCH anchors.........................60
Lever Auxiliary catch lever .............406
Hood lock release lever ........406
Internal trunk rele ase lever ...134
Shift lever .............................185
Turn signal lever ...................190
Wiper lever ...........................204
License plate lights Light switch...........................198
Replacing light bulbs ............443
Light bulbs Replacing .............................443
Lights Automatic High Be am ...........200
Front personal lights .............356
Headlight switch ...................198
Interior lights .................355, 356
Interior lights list ...................355
Rear personal lights .............356
Replacing light bulbs ............443
Trunk light .............................134
Turn signal lever ...................190
Vanity lights ..........................380
LTA (Lane Tracing Assist) ......230 Operation..............................230
Warning lights .......................457
Warning messages ...............240
Luggage mats .........................361

550Alphabetical Index
Owners Manual_USA_M62064_en
M
Maintenance Do-it-yourself maintenance .. 404
General maintenance ........... 401
Maintenance data................. 496
Maintenance requirements... 400
Menu icons ............................. 107
Meter Clock .............................. 99, 102
Driving range .................. 99, 102
Indicators................................ 97
Instrument panel light control................................... 100, 104
Meter control switches ......... 106
Meters ............................ 99, 102
Multi-information display ...... 105
Settings ................................ 111
Warning lights................. 95, 454
Warning message ................ 464
Meter control switches .......... 106
Mirrors Digital Rear-view Mirror........ 150
Inside rear view mirror.......... 149
Outside rear view mirror defog-gers ............................ 335, 342
Outside rear view mirrors ..... 160
Vanity mirrors ....................... 380
Multi-information display....... 105 Air purification screen........... 119
Audio system-linked display . 111
Changing the display............ 106
Consumption screen ............ 119
Driving information display ... 107
Driving support system informa-tion display ......................... 110
Dynamic radar cruise control with full-speed range .......... 244
ECO Accelerator Guidance .. 108
Eco score ............................. 108
Energy monitor ..................... 119
Fuel cell System Indicator .... 108 Fuel economy .......................107
LTA (Lane Tracing Assist) .....236
Menu icons ...........................107
Meter control switches..........106
Navigation system-linked display
........................................... 110
Settings ................................ 111
Suggestion function .............. 112
Tire inflation pressure ........... 111
Tire pressure ...... ..................418
Vehicle information display ... 111
Warning message.................464
N
Navigation system-linked display ....................................... 110, 114
O
Odometer.........................100, 104
Odometer and trip meter display Display change button ..100, 104
Display items ................100, 104
Opener Fuel door ..............................210
Hood .....................................406
Trunk ....................................133
Outer foot lights......................355
Outside rear view mirrors Adjustment ...........................160
BSM (Blind Spot M onitor) .....256
Folding..................................161
Mirror position me mory.........142
Outside rear view mirror defog- gers ............................335, 342
RCTA (Rear Cross Traffic Alert) ...........................................272
Outside temperature ........99, 102
Overheating.............................490