2020 TOYOTA MIRAI brake fluid

4178-2. Steps to take in an emergency
MIRAI_OM_USA_OM62073U
8
When trouble arises
If you think something is wrong
●Fluid leaks un der the vehicle.
(Water dripping from the air conditioning a fter use is normal.)
● Flat-looking tires or uneven tire wear
● The high coolant temperature war ning light flashes or comes on
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises rel ated to the fuel cell system
● Stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one s ide when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touch es
the floor
If you notice any of the followi ng symptoms, your vehicle proba -
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4188-2. Steps to take in an emergency
MIRAI_OM_USA_OM62073U
If a warning light turns on or a war ning
buzzer sounds
Calmly perform the following actions if any of the warning ligh ts
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and w arning buzzer list
Warning lightWarning light/Details/Actions
Hydrogen leak warning light (warning buzzer)
When a hydrogen gas leak is detected, a buzzer sounds,
a light comes on, and a warning message is displayed on
the multi-information display.
 P. 93
(U.S.A.)
(Red)
(Canada)
Brake system warning li ght (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
High coolant temperature warning light
Indicates that the coolant temperature is abnormal
P. 457
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
(Yellow)
Brake system warning light
Indicates a malfunction in:
• The regenerative braking system; or
• The electronically controlled brake system
 Have the vehicle inspected by your Toyota dealer
immediately.

4709-1. Specifications
MIRAI_OM_USA_OM62073U
*: The fluid capacity is a reference quantity. If replacement is necessary, contact your Toyota dealer.
*1: Minimum pedal clearance when depressed with a force of 44.1 lb f (196 N,
20.0 kgf) while the fuel cell system is operating
*2: Parking brake pedal travel when depressed with a force of 67.5 lbf (300 N,
31.0 kgf).
Electrical system
12-volt battery
Open voltage at
68 F (20 C):12.6  12.8 V Fully charged
12.2  12.4 V Half charged
11 . 8  12.0 V Discharged
(Voltage checked 20 minutes after the fuel cell
system and all lights are turned off)
Charging rates5 A max.
Transmission
Fluid capacity*4.4 qt. (4.2 L, 3.7 Imp.qt.)
Fluid type Toyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may ulti-
mately damage the transmission of your vehicle.
Brakes
Pedal clearance*12.95 in. (75 mm) Min.
Pedal free play 0.04  0.24 in. (1  6 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake pedal travel*27  10 clicks
Fluid type SAE J1703 or FMVSS No.116 DOT 3, or
SAE J1704 or FMVSS No.116 DOT 4

514Alphabetical index
MIRAI_OM_USA_OM62073U
Back-up lightsReplacing light bulb .............. 405
Battery (12-volt battery) .......... 374 Battery checking ................... 374
If the 12-volt battery is discharged .......................... 452
Preparing and checking before winter....................... 301
Warning message ................. 426
Battery (traction battery)..... 86, 91 Air intake vent ......................... 93
Charging ................................. 89
Location ............................ 86, 91
Warning message ................. 426
Blind Spot Monitor (BSM) ....... 300 Blind Spot Monitor function ... 289
Rear Crossing Traffic Alert function ............................... 292
Bluetooth
®*
Audio system*
Hands-free system (for cellular phone)
*
Navigation system*
Bottle holders .......................... 324
Brake Fluid ...................................... 470
Parking brake........................ 200
Regenerative braking.............. 89
Warning light ......................... 418
Brake assist ............................. 295
Break-in tips ............................ 174
Brightness control Instrument panel light
control................................. 113
BSM (Blind Spot Monitor) ....... 300 Blind Spot Monitor function ... 289
Rear Cross Traffic Alert
function ............................... 292 Care .................................. 352, 356
Aluminum wheels ................. 353
Exterior ................................. 352
Interior .................................. 356
Seat belts.............................. 357
Cargo capacity......................... 183
CD player
*
Chains ...................................... 302
Child restraint system............... 56 Booster seats installation........ 64
Convertible seats installation ............................ 63
Front passenger occupant classification syst em ............ 49
Infant seats definition.............. 58
Infant seats installation ........... 62
Installing a CRS to the passenger seat..................... 59
Installing CRS with LATCH anchors.................... 67
Installing CRS with seat belts .............................. 62
Installing CRS with
top tether strap ..................... 69
Child safety ................................ 55 12-volt battery precautions................. 376, 456
Airbag precautions.................. 39
Child restraint system ............. 56
How your child should wear the seat belt.......................... 32
Power window lock switch .... 167
Power window precautions ... 169
Rear door child-protectors .... 135
Removed electronic key battery precautions............. 401
Seat belt extender precautions........................... 35
Seat belt precautions .............. 34
Seat heater precautions ....... 315
Trunk precautions ................. 141
BC

517Alphabetical index
MIRAI_OM_USA_OM62073U
Emergency, in case ofIf a warning buzzer sounds ... 418
If a warning light turns on...... 418
If a warning message is displayed ............................ 426
If the 12-volt battery is discharged .......................... 452
If the electronic key does not
operate properly ................. 449
If the fuel cell system will not start .................................... 447
If the vehicle is trapped in rising water ......................... 410
If you have a flat tire ............. 432
If you lose your keys ..... 129, 131
If you think something is wrong.................................. 417
If your vehicle becomes stuck ................................... 463
If your vehicle has to be
stopped in an emergency ... 409
If your vehicle needs to be towed .................................. 411
If your vehicle overheats ....... 457
Emergency shut off system...... 92
Emergency tire puncture repair kit ................................. 432
Energy monitor ........................ 118
Enhanced VSC ......................... 295
EPS (Electric Power Steering)...... 296 Function ................................ 296
Warning light ......................... 419
Event data recorder (EDR) .......... 9 Flat tire ..................................... 432
Floor mats .................................. 26
Fluid
Brake .................................... 470
Transmission ........................ 470
Washer ................................. 373
Front interior lights ................. 318 Wattage ................................ 471
Front passenger occupant classification system .............. 49
Front seats ............................... 151
Adjustment............................ 151
Cleaning ............................... 356
Correct driving posture ........... 28
Driving position memory ....... 153
Head restraints ..................... 158
Power easy access system .. 153
Seat heaters ......................... 316
Seat position memory ........... 153
Front side marker lights ......... 201
Light switch ........................... 201
Replacing light bulbs ............ 405
Front turn signal lights ........... 199
Replacing light bulbs ............ 405
Turn signal lever ................... 199
Fuel Capacity................................ 468
Fuel gauge............................ 111
Hydrogen station information ......................... 528
Refueling .............................. 213
Type.............................. 213, 468
Warning light......................... 420F