2020 TOYOTA MIRAI heater

3587-1. Maintenance and care
MIRAI_OM_USA_OM62073U
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discol or the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasol ine,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco-
hol
● Do not use a polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended perio ds of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if wate r comes
into contact with electrical components such as the audio syste m above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not to uch the lens.
( P. 219)
■ Cleaning the inside of the rear window
● Do not use glass cleaner to clean the rear window, as this may cause
damage to the rear window defogger heater wires or antenna. Use a cloth
dampened with lukewarm water to gently wipe the window clean. Wipe the
window in strokes running parallel to the heater wires or antenna.
● Be careful not to scratch or damage the heater wires or antenna .

4789-1. Specifications
MIRAI_OM_USA_OM62073U
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of trans-
mission, power steering, power brakes, power
windows, power seats, radio and heater, to the
extent that these items are available as fac-
tory-installed equipment (whether installed or
not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below

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

519Alphabetical index
MIRAI_OM_USA_OM62073U
H2O switch ............................... 187
Hands-free system
(for cellular phone)
*
Head restraints ........................ 158
Headlights ................................ 201 Automatic High Beam system ......... ....................... 205
Light switch ........................... 201
Replacing light bulbs............. 405
Heated steering wheel............. 315
Heaters Automatic air conditioning system ......... ....................... 306
Heated steering wheel .......... 315
Outside rear view mirrors...... 309
Seat heaters ......................... 316
High mounted stoplight
Replacing light bulbs............. 405
High-voltage components ........ 91
Hill-start assist control............ 295
Hood ......................................... 366 Warning message ................. 426
Hooks
Coat hooks............................ 329
Grocery bag hooks ............... 325
Retaining hooks (floor mat)..... 26
Horn .......................................... 160
Hydrogen detectors................... 95
Hydrogen-related components ............................. 90
Hydrogen tanks ......................... 94 Capacity ................................ 468
Location ............................ 86, 90 Identification
Vehicle .................................. 467
Illuminated entry system ........ 319
Immobilizer system ................... 78
Indicators ................................. 109
Initialization Ion filter ................................. 490
Parking Support Brake function
(for static objects) ............... 283
Power windows..................... 168
Inside rear view mirror ............ 162
Instrument panel light control .................................... 113
Interior lights ........................... 317 Switch ................................... 318
Wattage ................................ 471
Intuitive parking assist ........... 265
Inverter coolant Capacity................................ 469
Checking............................... 370
Ion filter ...................................... 95
Jack Positioning a floor jack.......... 367
Vehicle-equipped jack ............................. 386, 434
Jack handle ...................... 386, 434
Jam protection function Power window ...................... 168
HI
J
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

523Alphabetical index
MIRAI_OM_USA_OM62073U
Safety Connect .......................... 72
Seat belt reminder light........... 421
Seat belts.................................... 30Adjusting the seat belt ............ 31
Automatic Locking Retractor (ALR) .................... 32
Child restra int system
installation ............................ 56
Cleaning and maintaining the seat belt ........................ 357
Emergency Locking Retractor
(ELR) .................................... 32
How to wear your seat belt ..... 30
How your child should wear the seat belt .......................... 32
Pregnant women, proper seat belt use ......................... 33
Reminder light and buzzer .... 421
Seat belt extender................... 32
Seat belt pretensioners ........... 31
SRS warning light ................. 419
Seat heaters ............................. 316
Seat position memory ............. 153
Seating capacity ...................... 183
Seats Adjustment ............................ 151
Adjustment precautions ........ 152
Child seats/child restraint system installation . ............... 56
Cleaning................................ 356
Driving position memory ....... 153
Head restraints ..................... 158
Power easy access system .. 153
Properly sitting in the seat ...... 28
Seat heaters ......................... 316 Sensor
Automatic headlight
system .......... ...................... 203
Automatic High Beam system .......... ...................... 209
Humidity sensor .................... 314
Inside rear view mirror .......... 163
Intuitive parking assist .......... 265
Parking Support Brake function
(for static objects) ............... 265
Radar sensor ........................ 219
Rain-sensing windshield wipers ................................. 211
Service plug ............................... 91
Shift lever ................................. 193
Side airbags ............................... 37
Side marker lights ................... 201 Light switch ........................... 201
Replacing light bulbs ............ 405
Side mirrors ............................. 164 Adjusting and folding ............ 164
BSM (Blind Spot Monitor) ..... 300
Heaters ................................. 309
Side turn signal lights ............. 199 Replacing light bulbs ............ 405
Turn signal lever ................... 199
Smart key system .................... 143 Antenna location ................... 143
Entry functions .............. 132, 138
Starting the fuel cell system .......... ...................... 186
Warning message................. 426
S
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

524Alphabetical index
MIRAI_OM_USA_OM62073U
Snow tires ................................ 301
Specifications .......................... 466
Speech command system
*
Speedometer ............................ 111
Steering wheel ......................... 160Adjustment ............................ 160
Audio switches
*
Heated steering wheel .......... 315
Meter control switches .......... 113
Power easy access system ......... ....................... 153
Telephone switches
*
Stop lights Replacing light bulbs............. 405
Storage feature ........................ 320
Stuck If the vehicle becomes
stuck ................................... 463
Sun visors ................................ 327
Switches Audio remote control switches
*
Automatic High Beam switch ................................. 205
Door lock switches ................ 134
Driving position memory switches.............................. 154
Dynamic radar cruise
control switch...................... 253
“ECO MODE” switch ............. 195
Emergency flasher switch ..... 408
Fuel door opener .................. 215 Garage door opener
switches ............................. 343
Heated steering wheel .......... 315
LDA switch............................ 238
Light switches ....................... 201
Meter control switches .......... 118
Odometer/trip meter and trip meter reset button ........ 113
Outside rear view mirror switches ............................. 164
P position switch ................... 194
Power door lock switch ......... 134
“POWER MODE” switch ....... 195
Power switch ........................ 186
Power window switches........ 167
Rear window and outside rear view mirror
defoggers switch ................ 309
Seat heater switches ............ 316
“SOS” button........................... 72
Talk switch
*
Telephone switches*
Trunk opener main switch .... 139
Trunk opener switch ............. 138
Vehicle-to-vehicle distance switch ................................. 259
VSC OFF switch ................... 296
Window lock switch .............. 167
Windshield wiper and washer switch..................... 210