2020 TOYOTA MIRAI brake

4799-1. Specifications
MIRAI_OM_USA_OM62073U
9
Vehicle specifications
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty 12-volt battery, and special trim
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity)The rated cargo and l uggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
the maximum loaded vehicle weight, and
dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between compo-
nents in the bead
Tire related termMeaning

4849-2. Customization
MIRAI_OM_USA_OM62073U
Customizable features
When customizing vehicle features, ensure that the vehicle is parked
in a safe place with the shift po sition in P and the parking brake set.
■Changing by using the navigation system
Press the “MENU” button.
Select “Setup” on the “MENU” screen and select “Vehicle”.
Select “Vehicle Customization”.
Various setting can be changed. Refer to the list of settings t hat can
be changed for details.
■Changing by using the multi-information display
Press or of the meter control switches ( P. 118), select
(  P. 117).
Press or of the meter control switches, select the item,
and then press .
To go back to the previous screen or exit the customize mode,
press .
Your vehicle includes a variety of electronic features that can be
personalized to suit your preferences. The settings of these fe a-
tures can be changed by using th e navigation system, the multi-
information display, or at your Toyota dealer.
Customizing vehicle features
1
2
3
1
2

4929-2. Customization
MIRAI_OM_USA_OM62073U■
RSA (Road Sign Assi
st) (if equipped) (P. 248)
■Parking Support Brake functi on (for static objects) (if
equipped) ( P. 274)
■Intuitive parking assist ( P. 265)
■Seat belt reminder (P. 421)
FunctionDefault
settingCustomized setting
Road Sign AssistOnOff—O——
RSA notification method
(excess speed)Display only
No
notification
—O——Display and buzzer
RSA notification method
(others)Display only
No
notification
—O——Display and buzzer
RSA notification level1mph/h
(2km/h)
3mph
(5km/h)
—O——5mph
(10km/h)
FunctionDefault settingCustomized setting
Parking Support Brake func-
tion (for static objects)OnOff—O——
FunctionDefault settingCustomized setting
Intuitive parking assistOnOff—O——
Detection distance of the
rear center sensorLongShort———O
Buzzer volumeLevel 2Level 1 to 3—O——
FunctionDefault settingCustomized setting
Vehicle speed linked seat
belt reminder buzzerOnOff———O

4949-3. Items to initialize
MIRAI_OM_USA_OM62073U
Items to initialize
The following items must be initialized for normal system opera-
tion after such cases as the 12-volt battery being reconnected,
or maintenance being pe rformed on the vehicle:
ItemWhen to initializeReference
Power windowWhen functioning abnormallyP. 168
Ion filterAfter changing the ion filterP. 490
Parking Support Brake func-
tion (for static objects)After reconnecting or chang-
ing the 12-volt batteryP. 283

511What to do if... (Troubleshooting)
MIRAI_OM_USA_OM62073U
●Did you press the power switch while firmly depressing the brake pedal?
( P. 186)
●Is the shift position in P? ( P. 194)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 144)
●Is the electronic key battery weak or depleted?
In this case, the fuel cell system can be started in a temporary way.
( P. 450)
●Is the 12-volt battery discharged? ( P. 452)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 167)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the fuel cell system is not operating) for a p eriod of
time. ( P. 188)
If you think something is wrong
The fuel cell syst em does not start
The windows do not open or close by operating the power
window switches
The power switch is turned off automatically

512What to do if... (Troubleshooting)
MIRAI_OM_USA_OM62073U
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 421)
●The brake system warning light is on
Is the parking brake released? ( P. 200)
Depending on the situation, other types of warning buzzer may also sound.
( P. 418, 426)
●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 81)
To stop the alarm, turn the power switch to ON mode or start the fuel cell sys-
tem.

●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 426)
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 418, 426.
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( P. 432)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 463)
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
An alarm is activated and the horn sounds
A warning light turns on or a warning message or indicator
is displayed
When a problem has occurred If you have a flat tire
The vehicle becomes stuck

513Alphabetical index
MIRAI_OM_USA_OM62073U
Alphabetical index
A/C ............................................ 306Air conditioning filter ............. 398
Automatic air conditioning
system ......... ....................... 306
ABS
(Anti-lock Brake System)...... 295
Function ................................ 295
Warning light ......................... 419
Air conditioning filter .............. 398
Air conditioning system.......... 306 Air conditioning filter ............. 398
Airbags ....................................... 36 Airbag operating conditions .... 44
Airbag preca utions for
your child .............................. 39
Airbag warning light .............. 419
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 45
Curtain shield airbag
precautions ........................... 42
Front passenger occupant classification syst em............. 49
General airbag precautions .... 39
Locations of airbags................ 36
Modification and disposal of airbags ............... 43
Seat cushion airbag ................ 36
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 airbags............................ 36 Alarm .......................................... 81
Anchor brackets ........................ 69
Antennas
(smart key system) ............... 143
Anti-lock Brake System
(ABS) ...................................... 295 Function ................................ 295
Warning light......................... 419
Armrest..................................... 329
Assist grips .............................. 330
Audio input
*
Audio system*
Steering wheel audio switch*
Automatic air conditioning system.................................... 306 Air conditioning filter ............. 398
Automatic headli ght leveling
system.................................... 204
Automatic High Beam ............. 205
Automatic light control system.................................... 201
AUX port
*
Auxiliary box ............................ 324
A
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

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