2023 TOYOTA MIRAI fuses

4TABLE OF CONTENTS
Owners Manual_USA_M62064_en
Parking Support Brake func-tion (pedestrians rear of the
vehicle) ........................ 291
Toyota Teammate Advanced Park ............................. 293
Driving mode select switch .................................... 320
Snow mode ................... 321
Driving assist systems .. 322
5-6. Driving tips Winter driving tips ......... 327
6-1. Using the air conditioning
system and defogger
ALL AUTO control ......... 332
Automatic air conditioning system (Type A) .......... 333
Automatic air conditioning system (Type B) .......... 340
Rear automatic air condition- ing system ................... 349
Heated steering wheel/seat heaters/seat ventilators 351
6-2. Using the interior lights Interior lights list ............ 355
6-3. Using the storage features List of storage features . 358
Trunk features ............... 361
6-4. Using the other interior fea- tures
Electronic sunshade...... 363
Other interior features ... 364
Garage door opener...... 3827-1. Maintenance and care
Cleaning and protecting the vehicle exterior ............ 392
Cleaning and protecting the vehicle interior ............. 396
7-2. Maintenance Maintenance requirements.................................... 400
General maintenance .... 401
7-3. Do-it-yourself maintenance Do-it-yourself service precau-tions ............................. 404
Hood .............................. 406
Positioning a floor jack .. 406
Fuel cell unit compartment .................................... 408
12-volt battery................ 413
Tires .............................. 416
Replacing the tire .......... 424
Tire inflation pressure .... 428
Wheels .......................... 430
Air conditioning filter ...... 432
Cleaning the traction battery air intake vents ............ 433
Electronic key battery .... 436
Checking and replacing fuses .................................... 438
Headlight aim ................ 442
Light bulbs ..................... 443
6Interior features
7Maintenance and care

391
Owners Manual_USA_M62064_en
7
7
Maintenance and care
Maintenance and care
7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 392
Cleaning and protecting the vehicle interior ........... 396
7-2. Maintenance Maintenance requirements.................................. 400
General maintenance.. 4017-3. Do-it-yourself mainte-
nance
Do-it-yourself service pre- cautions ..................... 404
Hood............................ 406
Positioning a floor jack 406
Fuel cell unit compartment .................................. 408
12-volt battery ............. 413
Tires ............................ 416
Replacing the tire ........ 424
Tire inflation pressure .. 428
Wheels ........................ 430
Air conditioning filter .... 432
Cleaning the traction battery air intake vents .......... 433
Electronic key battery .. 436
Checking and replacing fuses .......................... 438
Headlight aim .............. 442
Light bulbs ................... 443

4047-3. Do-it-yourself maintenance
Owners Manual_USA_M62064_en
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.413)
•Grease
• Conventional
wrench (for ter-
minal clamp
bolts)
Brake fluid
level ( P.412)
• 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.410)
• “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.438)
• Fuse with same
amperage rating
as original
• Flathead screw- driver
Headlight aim
( P.442)• Phillips-head
screwdriver
Radiator and
condenser
( P.411)

ItemsParts and tools

4387-3. Do-it-yourself maintenance
Owners Manual_USA_M62064_en
1Turn 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.409) and push the
tabs in and lift the lid off.
NOTICE
■When replacing the battery
Use a flathead screwdriver of
appropriate size. Applying exces-
sive force may deform or damage
the cover.
■For normal operation after
replacing the battery
Observe the following precautions
to prevent accidents:
●Always work with dry hands.
Moisture may cau se the battery
to rust.
●Do not touch or move any other
component inside the remote
control.
●Do not bend either of the battery
terminals.
Checking a nd 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

4417-3. Do-it-yourself maintenance
Owners Manual_USA_M62064_en
7
Maintenance and care
Blown fuse
Type B Normal fuse
Blown fuse
Type CNormal fuse
Blown fuse
Type DNormal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure
that the tab is ins talled 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 ove rload in a cir-
cuit
The fuses are designed to blow, pro-
tecting the wiring harness from
damage.
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.

548Alphabetical Index
Owners Manual_USA_M62064_en
Fuel cell unit compartment cover ............................................... 409
Fuel consumption Average fuel economy ......... 107
Current fuel economy ........... 107
Fuel door ........................... ...... 210
Refueling .............................. 210
When the fuel door cannot be opened ............................... 482
Fuel economy ......... ................ 107
Fuel gauge ........................ 99, 102
Fuses ....................................... 438
G
Garage door opener ............... 382
Gauges .............................. 99, 102
Glove box ................................ 358
Glove box light ....................... 359
H
Head restraints ....................... 145
Head-up display ..................... 114 Driving information display area........................................... 114
Driving support system display area .................................... 117
Fuel cell System Indicator .... 118
HUD (Head-up display) switch ........................................... 116
Navigation system-linked display ........................................... 114
Outside temperature ............ 114
Pop-up display ..................... 117
Settings ................................ 116
Headlights Automatic High Beam .......... 200
Light switch .......................... 198
Replacing light bulbs ............ 443
Heated steering wheel ........... 351 Heaters
Automatic air conditioning sys-tem .............................333, 340
Heated steering wheel..........351
Outside rear view mirrors ...335, 342
Seat heaters ....... ..................351
High mounted stoplight Replacing light bulbs ............443
High-voltage components .......81
Hill-start assist control...........322
Hood ........................................406 Open.....................................406
Pop Up Hood ..........................43
Hooks Coat hooks ...........................372
Retaining hooks (floor mat) ....26
Horn .........................................148
HUD (Head-up display) switch ............................................... 116
Hydrogen detecto rs..................84
Hydrogen tanks ............76, 81, 83 Capacity ...............................497
Location ............................76, 81
Hydrogen-related components81
I
Identification Vehicle ..................................496
Ignition switch (power switch) ...............................................180
Immobilizer system ..................70
Indicators ..................................97
Initialization Electronic sunshade .............363
Items to initialize ...................526
Power windows ....................162
Tire pressure w arning system
...........................................420
Inside door handle lights .......355
Inside rear view m irror ...........149

552Alphabetical Index
Owners Manual_USA_M62064_en
Pre-Collision System (PCS)... 219 Enabling/disabling the system........................................... 222
Function ............................... 219
Warning light ........................ 456
R
Radar cruise control (dynamic radar cruise control with full-
speed range) ......................... 244
Radiator ................................... 411
RCD (Rear Camera Detection) ............................................... 277Enabling/disabling the system ........................................... 278
Warning message ................ 279
RCTA (Rear Cross Traffic Alert) ............................................... 272Enabling/disabling the system ........................................... 273
Warning lights....................... 458
Warning message ................ 273
Rear automatic air conditioning system ................................... 349
Rear Camera Detection (RCD) ............................................... 277Enabling/disabling the system ........................................... 278
Warning message ................ 279
Rear Cross Traffic Alert (RCTA) ............................................... 272Enabling/disabling the system ........................................... 273
Warning lights....................... 458
Warning message ................ 273
Rear door sunshades ............ 380
Rear footwell lights ................ 355
Rear seats Cleaning ............................... 396
Head restraints ..................... 145
Seat heaters ......................... 351
Seat ventilators .................... 351 Rear side marker lights
Light switch...........................198
Replacing light bulbs ............443
Rear sunshade ........................381
Rear turn signal lights............190 Replacing light bulbs ............443
Turn signal lever ...................190
Rear view mirror Digital Rear-view Mirror ........150
Inside rear view mirror ..........149
Outside rear view mirrors .....160
Rear window defogger ...335, 342
Refueling ............ .....................210
Capacity ...............................497
Fuel types .............................497
When the fuel door cannot be opened ...............................482
Regenerative braking ...............78 Warning lights .......................454
Replacing Electronic key battery ...........436
Fuses....................................438
Light bulbs ............................443
Tires......................................424
Road accident cautions ...........88
Road Sign Assist ....................241
Roof film ..................................393
RSA (Road Sign Assist) .........241
Running out of fuel...................83
S
Safety Connect .........................65
Seat belt reminder light..460, 461
Seat belt shoulder anchor height
Adjustment .............................32
Seat belts...................................29 Active Assist ...........................33
Adjusting the seat belt shoulder anchor height........................32
Automatic Locking Retractor (ALR) ....................................31