tire pressure TOYOTA MIRAI 2022 Service Manual

4949-1. Specifications
Owners Manual_USA_M62084_en
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees
to the centerline of the tread
Carcass
The tire structure, except tread and side-
wall rubber which, when inflated, bears the
load
ChunkingThe breaking away of pieces of the tread
or sidewall
CordThe strands forming the plies in the tire
Cord separationThe parting of cords from adjacent rubber
compounds
Cracking
Any parting within the tread, sidewall, or
innerliner of the ti re extending to cord
material
CT
A pneumatic tire with an inverted flange
tire and rim system in which the rim is
designed with rim flanges pointed radially
inward and the tire is designed to fit on the
underside of the rim in a manner that
encloses the rim flanges inside the air cav-
ity of the tire
Extra load tire
A tire designed to operate at higher loads
and at higher inflation pressures than the
corresponding standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating
medium within the tire
Innerliner separationThe parting of the innerliner from cord
material in the carcass
Tire related termMeaning

4959-1. Specifications
Owners Manual_USA_M62084_en
9
Vehicle specifications
Intended outboard sidewall
(a) The sidewall that c ontains a whitewall,
bears white lettering , or bears manufac-
turer, brand, and/or model name molding
that is higher or deeper than the same
molding on the other s idewall of the tire, or
(b) The outward facing sidewall of an
asymmetrical tire that has a particular side
that must always face outward when
mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as
primarily intended for use on lightweight
trucks or multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to
carry for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum
permissible inflation pressure for that tire
Maximum permissible inflation
pressureThe maximum cold inf lation pressure to
which a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open splice
Any parting at any junction of tread, side-
wall, or innerliner that extends to cord
material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors
of the sidewalls of an inflated tire, including
elevations due to labeling, decorations, or
protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and
trucks, that have a gross vehicle weight
rating (GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between
adjacent plies
Tire related termMeaning

4969-1. Specifications
Owners Manual_USA_M62084_en
Pneumatic tire
A mechanical device made of rubber,
chemicals, fabric and steel or other materi-
als, that, when mounted on an automotive
wheel, provides the tr action and contains
the gas or fluid that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at substan-
tially 90 degrees to the centerline of the
tread
Reinforced tire
A tire designed to operate at higher loads
and at higher inflation pressures than the
corresponding standard tire
Section width
The linear distance between the exteriors
of the sidewalls of an i nflated tire, exclud-
ing elevations due to labeling, decoration,
or protective bands
SidewallThat portion of a tire between the tread
and bead
Sidewall separationThe parting of the rubber compound from
the cord material in the sidewall
Snow tire
A tire that attains a t raction index equal to
or greater than 110, compared to the
ASTM E-1136 Standard Reference Test
Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard
Test Method for Single Wheel Driving Trac-
tion in a Straight Line on Snow-and Ice-
Covered Surfaces, and which is marked
with an Alpine Symbol ( ) on at least
one sidewall
Test rim
The rim on which a tire is fitted for testing,
and may be any rim lis ted as appropriate
for use with that tire
TreadThat portion of a tire that comes into con-
tact with the road
Tire related termMeaning

5109-3. Initialization
Owners Manual_USA_M62084_en
9-3.Initialization
*: If equipped
Items to initialize
The following items must be initialized for normal system
operation after such cases as the 12-volt battery being recon-
nected, or maintenance being performed on the vehicle:
List of items to initialize
ItemWhen to initializeReference
PKSB (Parking
Support Brake)
*• After reconnecting or changing the 12-volt batteryP.277
Tire pressure warn-
ing system
• When the tire inflation pressure is changed, such as when
changing traveling speed or load
weight.
• When the tire inflation pressure is changed, such as when the
tire size is changed.
• When rotating the tires.
• After performing the transmitter
ID code registration procedure.
P.407
Toyota parking
assist monitor
*
• 12-volt battery has been rein-
stalled.
• The steering wheel has been moved while the 12-volt battery
was being reinstalled.
• 12-volt battery power is low.Refer to the “NAVI- GATION AND
MULTIMEDIA SYSTEM
OWNER’S MAN- UAL”.
Panoramic view
monitor
*

530Alphabetical Index
Owners Manual_USA_M62084_en
Driving range ............................ 97
Driving support system informa- tion display ........................... 104
Dynamic radar cruise control with full-speed range ........... 237Approach warning ................ 244
Warning message ................ 247
E
ECB (Electronically Controlled Brake System) ...................... 315Warning light ........................ 441
ECO Accelerator Guidance ... 102
Eco score ................................ 102
EDR (Event data recorder)......... 8
Elapsed time ........................... 104
Electric motor (traction motor) ........................................... 74, 79Location.................................. 79
Specification ......................... 484
Electric Power Steering (EPS) ............................................... 315Warning light ........................ 443
Electronic key ......................... 118 Battery-saving function......... 131
If the electronic key does not operate properly ................. 468
Replacing the battery ........... 423
Electronic sunshade .............. 355 Operation ............................. 355
Electronically Controlled Brake System (ECB) ....................... 315Warning light ........................ 441
Emergency flashers ............... 432
Emergency shut off system .... 87
Emergency tire puncture ....... 455
Emergency tire puncture repair kitStorage location ................... 456
Emergency, in case of If a warning buzzer sounds .. 441
If a warning light turns on ..... 441 If a warning message is dis-
played .................................451
If the 12-volt battery is dis- charged ..............................471
If the electronic key does not operate properly .................468
If the fuel cell system will not start ....................................466
If the fuel door cannot be opened ...........................................468
If the vehicle is submerged or water on the road is rising ..433
If you have a flat tire .............455
If you lose your keys.............467
If you think something is wrong ...........................................439
If your vehicle becomes stuck ...........................................480
If your vehicle has to be stopped in an emergency .................432
If your vehicle needs to be towed ...........................................435
If your vehicle ove rheats ......476
Energy monitor ....................... 111
EPS (Electric Po wer Steering)
...............................................315 Warning light.........................443
Event data recorder (EDR) .........8
F
Flat tire.....................................455 Tire pressure w arning system
...........................................405
Floor mats .................................26
Fluid Brake ....................................486
Transmission ........................486
Washer .................................399
Footwell light ..........................346
Front footwell lights ...............346
Front passenger occupant clas- sification system ....................46

532Alphabetical Index
Owners Manual_USA_M62084_en
Glove box ................................ 349
Glove box light ....................... 350
H
Head restraints ....................... 139
Head-up display ..................... 107 Driving information display area........................................... 107
Driving support system display area .................................... 110
Fuel cell system indicator ..... 111
HUD (Head-up display) switch ........................................... 109
Navigation system-linked display ........................................... 107
Outside temperature ............ 107
Pop-up display ..................... 110
Settings ................................ 109
Headlights Automatic High Beam system........................................... 193
Light switch .......................... 191
Replacing light bulbs ............ 429
Heated steering wheel ........... 342
Heaters Automatic air conditioning sys-tem ............................. 325, 332
Heated steering wheel ......... 342
Outside rear view mirrors ... 327, 334
Seat heaters ......................... 342
High mounted stoplight Replacing light bulbs ............ 429
High-voltage components ....... 79
Hill-start assist control .......... 315
Hood ........................................ 393 Open .................................... 393
Pop Up Hood.......................... 43
Hooks Coat hooks ........................... 362
Retaining hooks (floor mat) .... 26
Horn ......................................... 142 HUD (Head-up display) switch
...............................................109
Hydrogen detecto rs..................82
Hydrogen tanks ............74, 79, 81 Capacity ...............................483
Location ............................74, 79
Hydrogen-related components79
I
Identification Vehicle ..................................482
Ignition switch (power switch) ...............................................172
Immobilizer system ..................69
Indicators ..................................94
Initialization Electronic sunshade .............355
Items to initialize ...................510
Parking Support Brake .........277
Power windows ....................156
Tire pressure w arning system
...........................................407
Inside door handle lights .......346
Inside rear view m irror ...........143
Instrument panel light control .98
Interior lights...........................346
Intuitive parking assist...........254 Enabling/disabling the system...........................................255
Function................................254
Warning lights .......................444
Warning message.................256
Inverter coolant.......................397 Checking ..............................397
Ion filter .....................................82
J
Jack Positioning a floor jack .........393
Jam protection function Power windows ....................156

534Alphabetical Index
Owners Manual_USA_M62084_en
Vanity mirrors ....................... 369
Multi-information display....... 100 Air purification screen........... 111
Audio system-linked display . 104
Changing the display............ 100
Consumption screen ............ 111
Driving information display ... 101
Driving support system informa-tion display ......................... 104
Dynamic radar cruise control with full-speed range .......... 237
ECO Accelerator Guidance .. 102
Eco score ............................. 102
Energy monitor ..................... 111
Fuel cell system indicator ..... 102
Fuel economy....................... 101
LTA (Lane Tracing Assist) ..... 229
Menu icons ........................... 101
Meter control switches ......... 100
Navigation system-linked display ........................................... 104
Settings ................................ 105
Suggestion function.............. 106
Tire inflation pressure ........... 105
Tire pressure ........................ 405
Vehicle information display... 104
Warning message ................ 451
N
Navigation system-linked display ....................................... 104, 107
O
Odometer .................................. 98
Odometer and trip meter display Display change button............ 98
Display items .......................... 98
Opener Fuel door .............................. 203
Hood..................................... 393
Trunk .................................... 127 Outer foot lights......................346
Outside rear view mirrors
Adjustment ...........................154
BSM (Blind Spot M onitor) .....249
Folding..................................155
Mirror position me mory.........136
Outside rear view mirror defog- gers ............................327, 334
RCTA (Rear Cross Traffic Alert) ...........................................263
Outside temperature ................97
Overheating.............................476
P
Panic mode ............................. 119
Parking assist .........................284
Parking assist sens ors (intuitive
parking assist) ......................254
Parking brake ..........................183 Brake system warning light ..441
Operation..............................183
Parking brake engaged warning buzzer.................................185
Warning light.........................447
Warning message.................185
Parking lights Light switch...........................191
Replacing light bulbs ............429
Parking Support Brake (PKSB) ...............................................273Enabling/disabling the system ...........................................274
Parking Support Brake function (rear pedestrians) ...............282
Parking Support Brake function (rear-crossing vehicles) ......280
Parking Support Brake function (static objects) ....................278
Warning lights .......................445
Warning message.................277
PCS (Pre-Collision System) ...212 Enabling/disabling the system

538Alphabetical Index
Owners Manual_USA_M62084_en
Parking brake switch ............ 183
Power door lock switch ........ 124
Power switch ........................ 172
Power window switches ....... 156
Rear sunshades switch ........ 370
Rear window and outside rear view mirror defoggers switch................................... 327, 334
Seat heater switches ............ 342
Seat ventilator switches ....... 342
Snow mode switch ............... 314
“SOS” button .......................... 65
Tilt and telescopic steering con- trol switch ........................... 141
Tire pressure warning reset switch ................................. 407
Trunk opener main switch .... 129
Trunk opener switch ............. 127
Vehicle-to-vehicle distance switch ................................. 237
VSC OFF switch................... 316
Window lock switch .............. 158
Windshield defogger switch 326, 334
Windshield wiper and washer switch ................................. 197
Windshield wiper de-icer switch ................................... 329, 338
T
Tail lights Light switch .......................... 191
Replacing light bulbs ............ 429
Tailpipe ...................................... 82
The Secondary Collision Brake ............................................... 316
Theft deterrent system Alarm ...................................... 70
Immobilizer system ................ 69
Tire inflation pre ssure............ 415
Maintenance data................. 487
Tire inflation pressure display function ...............................405
Warning light.........................447
Tire information ......................488 Glossary ...............................492
Size ......................................489
Tire identification number .....489
Uniform Tire Quality Grading 490
Tire pressure display .............405
Tire pressure warning system ...............................................405Function................................405
Initializing..............................407
Installing tire p ressure warning
valves and transmitters ......406
Registering ID codes ............409
Warning light.........................447
Tires .........................................403 Chains ..................................321
Checking ..............................403
Emergency tire puncture repair kit ........................................455
If you have a flat tire .............455
Inflation pressure ..................415
Information ......... ..................488
Replacing ............................. 411
Rotating tires ........................404
Size ......................................487
Snow tires.............................320
Tire inflation pressure display function ...............................405
Tire pressure w arning system
...........................................405
Warning light.........................447
Tools ........................................456
Top tether strap ........................62
Total load capacit y .................482
To w i n g Dinghy towing .......................171
Emergency towing ................435
Towing eyelet........................437
Trailer towing ...... ..................171
Toyota multi-operation touch 353

540Alphabetical Index
Owners Manual_USA_M62084_en
Intuitive parking assist .. 260, 444
LTA (Lane Tracing Assist) ... 223, 227, 444
Open door ......... ........... 122, 124
Open window ....................... 157
PCS (Pre-Collision System) . 444
PKSB (Parking Support Brake) ........................................... 445
Pre-collision braking ............. 212
Pre-collision warning ............ 212
RCD (Rear Camera Detection) ........................................... 445
RCTA (Rear Cross Traffic Alert) ........................................... 445
Seat belt ............................... 448
SRS airbag ........................... 442
Vehicle sway warning function (LTA) ................................... 233
Warning label ............................ 79
Warning lights .................. 93, 441 ABS ...................................... 443
Brake hold operated indicator........................................... 446
Brake Override System ........ 446
Brake system ....................... 441
Charging system .................. 442
Drive-Start Control ............... 446
Electric power steering ......... 443
Fuel cell system overheat .... 442
High coolant temperature ..... 442
Hydrogen leak ...................... 441
Intuitive parking assist OFF indi- cator ................................... 444
Low fuel level ....................... 447
LTA indicator ......................... 444
Parking brake indicator ........ 447
PKSB OFF indicato r ............. 445
Pop Up Hood........................ 443
Pre-collision system ............. 444
RCD OFF indicator............... 445
RCTA OFF indicator ............. 445
Seat belt reminder light ........ 448 Slip indicator .........................446
SRS airbag ...........................442
Tire pressure ......
..................447
Warning messages .................451
Warning reflector ....................352
Washer .....................................197 Adding ..................................399
Preparing and checking before winter ..................................320
Switch ...................................197
Washing and waxing ..............380
Weight Cargo capacity .....................170
Load limits ............................170
Weight ..................................482
Wheels .....................................417 Replacing wheels ................. 411
Size ......................................487
Window lock switch ...............158
Windows Power windows ....................156
Rear window defogger .327, 334
Washer .................................197
Windshield defogger ......326, 334
Windshield wipers ..................197 Rain-sensing windshield wipers...........................................197
Rest position.........................200
Winter driving tips ..................320
Wireless charger.....................357
Wireless remote control......... 119 Battery-Saving Function .......131
Locking/Unlocking ................ 119
Replacing the battery ...........423
?
For infor mation regarding the equipment listed
below, refer to the “NAVI-
GATION AND MULTIME-

556
Owners Manual_USA_M62084_en
HYDROGEN STATION INFORMATION
Auxiliary catch lever (P.393)
Trunk opener ( P.127)
Fuel door ( P.205)
Fuel door opener ( P.205)
Hood lock release lever ( P.393)
Tire inflation pressure ( P.487)
Hydrogen tanks’
fuel capacityP.483
Fuel typeCompressed hydrogen gasP.483
Cold tire inflation
pressureP.487