2017 TOYOTA MIRAI tire size

4229-1. Specifications
MIRAI_OM_USA_OM62023U
Tire information
Tire size (→P. 424)
DOT and Tire Identification Number (TIN)( →P. 423)
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Location of treadwear indicators( →P. 332)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL”
is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire.
A tube type tire has a tube inside the tire and the tube maintains the air
pressure.
Load limit at maximum cold tire inflation pressure ( →P. 428)
Maximum cold tire inflation pressure ( →P. 428)
This means the pressure to which a tire may be inflated.
Summer tires or all season tires ( →P. 335)
An all season tire has “M+S” on the sidewall. A tire not marked “M+S”
is a summer tire.
Typical tire symbols

4239-1. Specifications
MIRAI_OM_USA_OM62023U
9
Vehicle specifications
DOT symbol*
Tire Identification Number (TIN)
Tire manufacturer’s identifica-
tion mark
Tire size code
Manufacturer’s optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*: The DOT symbol certifies that the tire conforms to applicable FederalMotor Vehicle Safety Standards.
Typical DOT and Tire Identification Number (TIN)

4249-1. Specifications
MIRAI_OM_USA_OM62023U■
Typical tire size information
The illustration in
dicates typical
tire size.
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index
(2 digits or 3 digits)
Speed symbol
(alphabet with one letter)
■Tire dimensions
Section width
Tire height
Wheel diameter
Tire size

4299-1. Specifications
MIRAI_OM_USA_OM62023U
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 luggage 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

460Alphabetical index
MIRAI_OM_USA_OM62023U
SwitchesAudio remote control switches
*
Automatic High Beam
switch ................................. 190
Door lock switches ................ 122
Driving position memory
switches.............................. 141
Dynamic radar cruise
control switch...................... 203
ECO MODE switch ............... 181
Emergency flasher switch ..... 360
Fuel door opener .................. 200
Garage door opener switches.............................. 292
Heated steering wheel .......... 267
LDA switch ............................ 216
Light switches ....................... 187
Meter control switches .......... 108
Odometer/trip meter and trip meter reset button ........ 104
Outside rear view mirror switches.............................. 151
P position switch ................... 180
PCS switch ........................... 239
Power door lock switch ......... 122
POWER MODE switch ......... 181
Power switch......................... 172
Power window switches ........ 154 Rear window and outside
rear view mirror
defoggers switch ................ 261
Seat heater switches ............ 268
“SOS” button......................... 299
Talk switch
*
Telephone switches*
Trunk opener main switch .... 127
Trunk opener switch ............. 126
Vehicle-to-vehicle distance button ................................. 207
VSC OFF switch ................... 233
Window lock switch .............. 154
Windshield wiper and washer switch..................... 195
Tail lights.................................. 187 Light switch ........................... 187
Replacing light bulbs ............ 358
Tailpipe ....................................... 87
Talk switch
*
Telephone switches*
Theft deterrent system Alarm ...................................... 74
Immobilizer system .. ............... 72
Tire inflation pressure............. 346
Maintenance data ................. 421
Warning light......................... 371
Tire information ....................... 422
Glossary ............................... 428
Size....................................... 424
Tire identification number ..... 423
Uniform Tire Quality Grading .............................. 426
T

461Alphabetical index
MIRAI_OM_USA_OM62023U
Tire pressure warning system
Function ................................ 333
Installing tire pressure
warning valves
and transmitters.................. 333
Registering ID codes ............ 333
Warning light ......................... 371
Tires .......................................... 332
Chains................................... 254
Checking ............................... 332
Emergency tire puncture repair kit............................. 382
If you have a flat tire ............. 381
Inflation pressure .......... 346, 421
Information ............................ 422
Replacing .............................. 339
Rotating tires......................... 332
Size ....................................... 421
Snow tires ............................. 253
Tire pressure warning system ......... ....................... 333
Warning light ......................... 371
Tools ................................. 339, 382
Top tether strap ......................... 69
Total load capacity .................. 169
Towing Dinghy towing ....................... 171
Emergency towing ................ 362
Trailer towing ........................ 170 TRAC (Traction Control) ......... 232
Traction battery ......................... 83
Air intake vent ......................... 85
Charging ................................. 81
Location ............................ 78, 83
Warning message................. 376
Traction battery air intake vent........................................... 85
Traction Control (TRAC) ......... 232
Traction motor (electric motor) Location ............................ 78, 83
Specification ......................... 418
Trailer towing .......................... 170
Transmission ........................... 179
Trip meters ............................... 102
Trunk ........................................ 126 Grocery bag hooks ............... 277
Internal trunk release lever ... 128
Luggage security system ...... 127
Smart key system ................. 126
Trunk features ...................... 277
Trunk grip ............................. 127
Trunk light ............................. 128
Trunk opener main switch .... 127
Trunk opener switch ............. 126
Wireless remote control ........ 126
Trunk light
Trunk light ............................. 128
Wattage ................................ 421
Turn signal lights .................... 185
Replacing light bulbs ............ 358
Turn signal lever ................... 185
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.