2022 TOYOTA MIRAI fuses

4TABLE OF CONTENTS
Owners Manual_USA_M62084_en
6-1. Using the air conditioning
system and defogger
ALL AUTO control ......... 324
Automatic air conditioning system (vehicles with 8-inch
display) ........................ 325
Automatic air conditioning system (vehicles with 12.3-
inch display) ................ 332
Rear automatic air condition- ing system ................... 341
Heated steering wheel/seat heaters/seat ventilators 342
6-2. Using the interior lights Interior lights list ............ 346
6-3. Using the storage features List of storage features . 349
Trunk features ............... 352
6-4. Using the other interior fea- tures
Toyota multi-operation touch
(vehicle with the 12.3-inch
display) ........................ 353
Electronic sunshade...... 355
Other interior features ... 356
Garage door opener...... 371
7-1. Maintenance and care Cleaning and protecting the vehicle exterior ............ 380
Cleaning and protecting the vehicle interior ............. 3847-2. Maintenance
Maintenance requirements.................................... 387
General maintenance .... 388
7-3. Do-it-yourself maintenance Do-it-yourself service precau-tions ............................. 391
Hood .............................. 393
Positioning a floor jack .. 393
Fuel cell unit compartment .................................... 395
12-volt battery................ 400
Tires .............................. 403
Replacing the tire .......... 411
Tire inflation pressure .... 415
Wheels .......................... 417
Air conditioning filter ...... 419
Cleaning the traction battery air intake vents and filters
.................................... 420
Electronic key battery .... 423
Checking and replacing fuses .................................... 425
Headlight aim ................ 428
Light bulbs ..................... 429
8-1. Essential information Emergency flashers....... 432
If your vehicle has to be stopped in an emergency.................................... 432
If the vehicle is submerged or water on the road is rising.................................... 433
6Interior features
7Maintenance and care
8When trouble arises

379
Owners Manual_USA_M62084_en
7
7
Maintenance and care
Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 380
Cleaning and protecting the vehicle interior ........... 384
7-2. Maintenance Maintenance requirements.................................. 387
General maintenance.. 388
7-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 391
Hood ........................... 393
Positioning a floor jack 393
Fuel cell unit compartment .................................. 395
12-volt battery ............. 400
Tires ............................ 403
Replacing the tire ........ 411
Tire inflation pressure.. 415
Wheels ......... ...............417
Air conditioning filter .... 419
Cleaning the traction battery air intake vents and filters.................................. 420
Electronic key battery.. 423
Checking and replacing fuses.......................... 425
Headlight aim .............. 428
Light bulbs................... 429

3917-3. Do-it-yourself maintenance
Owners Manual_USA_M62084_en
7
Maintenance and care
7-3.Do-it-yourself maintenance
Do-it-yourself ser vice
precautions
If you perform maintenance
by yourself, be sure to fol-
low the correct procedure
as given in these sections.
Maintenance
ItemsParts and tools
12-volt battery
condition
(  P.400)
•Grease
• Conventional
wrench (for ter-
minal clamp
bolts)
Brake fluid
level ( P.399)
• FMVSS No.116
DOT 3 or SAE
J1703 brake fluid
FMVSS No.116
DOT 4 or SAE
J1704 brake fluid
• Rag or paper towel
• Funnel (used only for adding
brake fluid)
Inverter cool-
ant level
( P.397)
• “Toyota Super
Long Life Cool-
ant” or a similar
high quality eth-
ylene glycol-
based non-sili-
cate, non-amine,
non-nitrite and
non-borate cool-
ant with long-life
hybrid organic
acid technology
For the U.S.A.:
“Toyota Super
Long Life Cool-
ant” is pre-mixed
with 50% cool-
ant and 50%
deionized water.
For Canada:
“Toyota Super
Long Life Cool-
ant” is pre-mixed
with 55% cool-
ant and 45%
deionized water.
• Funnel (used only for adding
coolant)
Fuses
( P.425)
• Fuse with same
amperage rating
as original
• Flathead screw- driver
Headlight aim
( P.428)• Phillips-head
screwdriver
Radiator and
condenser
( P.398)

ItemsParts and tools

4257-3. Do-it-yourself maintenance
Owners Manual_USA_M62084_en
7
Maintenance and care
1 Turn the power switch off.
2 Open the fuse box cover.
Fuel cell unit compartment:
type A fuse box
Push the tabs in and lift the lid off.
Fuel cell unit compartment:
type B fuse box
Remove the fuel cell unit compart-
ment cover (P.396) and push the
tabs in and lift the lid off.
Driver’s side instrument panel
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
Passenger’ side instrument
panel
Remove the cover.
Checking and replac-
ing fuses
If any of the electrical com-
ponents do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses

4287-3. Do-it-yourself maintenance
Owners Manual_USA_M62084_en
■After a fuse is replaced
●When installing the lid, make sure
that the tab is installed securely.
●If the lights do not turn on even
after the fuse has been replaced,
a bulb may need replacement.
●If the replaced fuse blows again,
have the vehicle inspected by
your Toyota dealer.
■If there is an overload in a cir-
cuit
The fuses are designed to blow, pro-
tecting the wiring harness from
damage.
Adjustment bolt A
Adjustment bolt B
 Make sure the vehicle has a
full tank of fuel and the area
around the headlight is not
deformed.
 Park the vehicle on level
ground.
 Make sure the tire inflation
pressure is at the specified
level.
 Have someone sit in the
driver’s seat.
 Bounce the vehicle several
times.WARNING
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota
fuse or equivalent.
Never replace a fuse with a
wire, even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical over-
load determined and repaired by
your Toyota dealer as soon as
possible.
Headlight aim
Vertical movement adjust-
ing bolts
Before checking the head-
light aim

Owners Manual_USA_M62084_en
Alphabetical Index531
Front seats .............................. 135Adjustment ........................... 135
Cleaning ............................... 384
Correct driving posture ........... 27
Driving position memory....... 136
Head restraints ..................... 139
Memory recall function ......... 138
Power easy access system .. 136
Seat heaters ......................... 342
Seat position memory .......... 136
Seat ventilators .................... 342
Front side marker light Light switch .......................... 191
Replacing light bulbs ............ 429
Front turn signal lights .......... 182 Replacing light bulbs ............ 429
Turn signal lever ................... 182
Fuel .......................................... 203 Capacity ............................... 483
Fuel gauge ............................. 97
Refueling .............................. 203
Type ..................................... 483
Warning light ........................ 447
Fuel cell stack ..................... 74, 79 Fuel cell stack cover............. 396
Fuel cell stack coolant ........... 397 Checking .............................. 397
Preparing and c hecking before
winter.................................. 320
Fuel cell stack cover .............. 396
Fuel cell system ....................... 74 Acoustic vehicle alerting system............................................. 76
Emergency shut off system .... 87
High voltage components....... 79
If the fuel cell system will not
start .................................... 466
Overheating.......................... 477
Power switch ........................ 172
Precautions ............................ 79
Predictive efficient drive ......... 77
Starting the fuel cell system . 172 Water release .......................189
Fuel cell system indicator....102, 111
Fuel cell unit Compartment........................395
Fuel cell unit compartment cover...........................................396
Fuel cell unit compartment cover ...............................................396
Fuel cell vehicle ........................74 Charging the traction battery ..76
Driving tips..............................89
Handling hydrogen gas ..........84
Hydrogen gas .........................83
Hydrogen-related components79
Maintenance, repair, recycling, and disposal .........................75
Power output restriction ..........82
Power switch ........................172
Regenerative braking .............76
Road accident cautions ..........86
Running out of fuel .................81
Service plugs ..........................85
Sounds and vibrations ............75
Starting the system ...............172
Traction battery air intake vents .............................................88
Fuel cell vehicle driving tips....89
Fuel consumption Average fuel economy ..........101
Current fuel economy ...........101
Fuel door .................................203 Refueling ..............................203
When the fuel door cannot be opened ...............................468
Fuel economy .........................101
Fuel gauge.................................97
Fuses .......................................425
G
Garage door opene r ...............371
Gauges ......................................97

536Alphabetical Index
Owners Manual_USA_M62084_en
Rear sunshades ..................... 370
Rear turn signal lights ........... 182 Replacing light bulbs ............ 429
Turn signal lever ................... 182
Rear view mirror Digital Rearview Mirror ......... 144
Inside rear view mirror.......... 143
Outside rear view mirrors ..... 154
Rear window defogger ... 327, 334
Refueling ................................. 203 Capacity ............................... 483
Fuel types............................. 483
When the fuel door cannot be opened ............................... 468
Regenerative braking ............... 76 Warning lights....................... 441
Replacing Electronic key battery ........... 423
Fuses ................................... 425
Light bulbs ............................ 429
Tires ..................................... 411
Road accident cautions ........... 86
Road Sign Assist .................... 234
Roof film .................................. 381
RSA (Road Sign Assist) ......... 234
Running out of fuel .................. 81
S
Safety Connect ......................... 65
Seat belt reminder light ......... 448
Seat belts .................................. 29 Automatic Locking Retractor .. 31
Child restraint system installation............................................. 54
Cleaning and maintaining the seat belt.............................. 384
Emergency Locking Retractor 31
How to wear your seat belt..... 30
How your child should wear the seat belt................................ 30
Pregnant women, proper seat belt use................................. 29 Reminder light and buzzer ...448
Seat belt extender ..................30
Seat belt pretensioners ..........32
SRS warning light .................442
Seat heaters ............................342
Seat position memory ............136
Seat ventilators .. .....................342
Seating capacity .............170, 482
Seats ........................................135 Adjustment ...........................135
Adjustment precautions ........135
Child seats/child restraint system installation ............................52
Cleaning ...............................384
Driving position memory .......136
Head restraints .....................139
Power easy access system ..136
Properly sitting in the seat ......27
Seat heaters ....... ..................342
Seat position memory...........136
Seat ventilators.....................342
Self-restoring coat ..................380
Sensor Automatic headlight system .192
Automatic High Beam system...........................................193
BSM (Blind Spot M onitor) .....250
Dynamic radar cruise control with full-speed range ..........207
Inside rear view mirror ..........144
Intuitive parking assist ..........254
LTA (Lane Tracing Assist) .....223
Parking Support Brake function (rear-crossing vehicles) ......250
Parking Support Brake function (static objects) ....................254
PCS (Pre-Collisio n System) .207
Radar sensor ........................207
Rain-sensing windshield wipers ...........................................199
RCTA (Rear Cross Traffic Alert) ...........................................250