TABLE OF CONTENTS4
MIRAI_OM_USA_OM62023U6-1. Using the air conditioning
system and defogger
Automatic air conditioning system............................. 258
Heated steering wheel/ seat heaters .................... 267
6-2. Using the interior lights Interior lights list ................ 269• Interior lights ................. 270
• Personal lights .............. 270
6-3. Using the storage features List of storage features...... 272• Glove box...................... 273
• Console box .................. 273
• Cup holders .................. 274
• Bottle holders ................ 276
• Auxiliary box ................. 276
Trunk features ................... 277
6-4. Other interior features Other interior features ....... 279• Sun visors ..................... 279
• Vanity mirrors................ 279
• Clock ............................. 280
• Armrest ......................... 281
• Coat hooks.................... 281
• Assist grips ................... 282
• Power outlet .................. 283
• Wireless charger ........... 284
Garage door opener .......... 292
Safety Connect.................. 299 7-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 306
Cleaning and protecting the vehicle interior ........... 310
7-2. Maintenance Maintenance requirements ................... 313
General maintenance ........ 315
7-3. Do-it-yourself maintenance
Do-it-yourself service precautions ...................... 318
Hood .................................. 320
Positioning a floor jack....... 321
Motor compartment ........... 323
12-volt battery .................... 328
Tires................................... 332
Replacing the tire............... 339
Tire inflation pressure ........ 346
Wheels............................... 349
Air conditioning filter .......... 351
Electronic key battery ........ 353
Checking and replacing fuses ................................ 355
Light bulbs ......................... 358
6Interior features7Maintenance and care
257
6Interior features
MIRAI_OM_USA_OM62023U6-1. Using the air
conditioning system
and defogger
Automatic air conditioning system............................. 258
Heated steering wheel/ seat heaters .................... 267
6-2. Using the interior lights
Interior lights list ................ 269 • Interior lights ................. 270
• Personal lights .............. 270 6-3. Using the storage
features
List of storage features ..... 272 • Glove box...................... 273
• Console box .................. 273
• Cup holders .................. 274
• Bottle holders ................ 276
• Auxiliary box ................. 276
Trunk features ................... 277
6-4. Other interior features Other interior features ....... 279• Sun visors ..................... 279
• Vanity mirrors................ 279
• Clock ............................. 280
• Armrest ......................... 281
• Coat hooks.................... 281
• Assist grips ................... 282
• Power outlet .................. 283
• Wireless charger ........... 284
Garage door opener.......... 292
Safety Connect ................. 299
2676-1. Using the air conditioning system and defogger
6
Interior features
MIRAI_OM_USA_OM62023U
Heated steering wheel/seat heaters
Turn the heated steering wheel
on/off
The indicator light comes on when
the heated steering wheel is oper-
ating.
Heated steering wheel and seat heaters heat the side grips of the
steering wheel and seats, respectively.
WARNING
● Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)
● Observe the following precautions to prevent minor burns or overheating,
• Do not use seat heater more than necessary.
• Do not cover the seat with a blanket or cushion when using the seat
heater.
NOTICE
●Do not put heavy objects that have an uneven surface on the seat and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent 12-volt battery discharge, do not use the functions when the
fuel cell system is off.
Heated steering wheel
2686-1. Using the air conditioning system and defogger
MIRAI_OM_USA_OM62023U
■Operation condition
The heated steering wheel can be used when the power switch is in ON
mode.
■ Timer
The heated steering wheel will automatically turn off after about 30 minutes.
Front seats
Each time the switch is touched,
the intensity of the seat heater
changes:
Hi (strong) → Lo (weak) → Off
During operations, the operation
conditions are displayed.
Rear seats
HI: Strong
The indicator light comes on.
Low: Weak
The indicator light comes on.
■Operating condition
The seat heaters can be used when the power switch is in ON mode.
■ When not in use (rear seats)
Turn the seat heater off by returning the switch to its level position.
The indicator light turns off.
Seat heaters
3487-3. Do-it-yourself maintenance
MIRAI_OM_USA_OM62023U■
Instructions for checking tire inflation pressure
When checking tire inflation pressure, observe the following:
●Check only when the tires are cold.
If your vehicle has been parked for at least 3 hours or has not been
driven for more than 1 mile or 1.5 km, you will get an accurate cold tire
inflation pressure reading.
●Always use a tire pressure gauge.
It is difficult to judge if a tire is
properly inflated based only on its appear-
ance.
● It is normal for the tire inflation pressure to be higher after driving as
heat is generated in the tire. Do no t reduce tire inflation pressure after
driving.
●Never exceed the vehicle capacity weight.
Passengers and luggage weight should be placed so that the vehicle is
balanced.
WARNING
■Proper inflation is critical to save tire performance
Keep your tires properly inflated.
If the tires are not properly inflated, the following conditions may occur
which could lead to an accident resulting in death or serious injury:
●Excessive wear
●Uneven wear
●Poor handling
●Possibility of blowouts resulting from overheated tires
●Air leaking from between tire and wheel
●Wheel deformation and/or tire damage
●Greater possibility of ti re damage while driving (due to road hazards,
expansion joints, sharp edges in the road, etc.)
NOTICE
■When inspecting and adjusting tire inflation pressure
Be sure to put the tire valve caps back on.
If a valve cap is not installed, dirt or moisture may get into the valve and
cause an air leak, resulting in decreased tire inflation pressure.
3778-2. Steps to take in an emergency
MIRAI_OM_USA_OM62023U
8
When trouble arises
*: A buzzer sounds the first time a message is shown on the multi-informa-tion display.
■ System warning lights
The master warning light does not come on or flash in the following cases.
Instead, a separate system warning light will come on along with a message
shown on the multi-information display.
●Malfunction of the ABS
The ABS warning light comes on. ( →P. 370)
● Malfunction of the charging system
The charging system warning light comes on. ( →P. 369)
■ If “High FC Temperature Re duced Power” is displayed
Lower the speed while check the safety, and run the vehicle like this for
several minutes.
If the message goes off, the vehicle can be driven as is, since it temporarily
overheated.
This message may be displayed when driving under severe operating con-
ditions.
(For example, when driving up a long steep hill.)
■ If “Maintenance Required for Hybr id Battery Cooling Parts at Your
Dealer” is displayed
The filter may be clogged, or the air intake vent or duct may be blocked. Have
the vehicle inspected by your Toyota dealer.
■ If “Shift to P Before Exiting Vehicle” is displayed
Message is displayed when the driver’s door is opened without turning the
power switch to off with the shift position in any position other than P.
Shift the shift position to P.
■ If “Shift is in N Release Accelerat or Before Shifting” is displayed
Message is displayed when the accelerator pedal has been depressed and
the shift position is in N. Release the accelerator pedal and shift the shift posi-
tion to D or R.
Comes on⎯Does not sound
Indicates a condition, such as mal-
function of electrical components,
their condition, or indicates the
need for maintenance
Flashes⎯Does not sound
Indicates a situation, such as
when an operation has been per-
formed incorrectly, or indicates
how to perform an operation cor-
rectly
System
warning
light
Warning buzzer*Warning
1
2
454Alphabetical index
MIRAI_OM_USA_OM62023U
Opening the fuel door ........... 198
Overheating .......................... 406
Power output restriction .......... 88
Power switch......................... 172
Precautions ............................. 82
Regenerative braking.............. 81
Road accident cautions .......... 92
Running out of fuel.................. 85
Service plugs .......................... 91
Sounds and vibrations ............ 80
Starting the system ............... 172
Traction battery air intake vent....................................... 85
Vehicle proximity notification
system ......... ......................... 84
Warning message ................. 376
Water release ....................... 173
Fuel consumption............ 111, 112
Fuel door .................................. 198 Refueling............................... 198
Fuses ........................................ 355
Garage door opener ................ 292
Gauges ..................................... 102
Glove box ................................. 273
Grocery bag hooks .................. 277 H
2O switch ............................... 173
Hands-free system
(for cellular phone)
*
Head restraints ........................ 145
Headlights ................................ 187 Automatic High Beam system .......... ...................... 190
Light switch ........................... 187
Replacing light bulbs ............ 358
Heated steering wheel ............ 267
Heaters Automatic air conditioning system .......... ...................... 258
Heated steering wheel .......... 267
Outside rear view mirrors ..... 261
Seat heaters ......................... 268
High mounted stoplight
Replacing light bulbs ............ 358
High-voltage components ........ 83
Hill-start assist control ........... 232
Hood ......................................... 320 Warning message................. 376
Hooks
Coat hooks ........................... 281
Grocery bag hooks ............... 277
Retaining hooks (floor mat) .... 26
Horn .......................................... 147
Hydrogen detectors .................. 87
Hydrogen-related components............................. 82
Hydrogen tanks ......................... 86 Capacity................................ 418
Location ............................ 78, 82
G
H
459Alphabetical index
MIRAI_OM_USA_OM62023U
SeatsAdjustment ............................ 138
Adjustment precautions ........ 139
Child seats/child restraint system installation ................ 56
Cleaning................................ 310
Driving position memory ....... 140
Head restraints ..................... 145
Power easy access system ......... ....................... 140
Properly sitting in the seat ...... 28
Seat heaters ......................... 268
Sensor Automatic headlight
system ......... ....................... 188
Automatic High Beam system ......... ....................... 194
Humidity sensor .................... 266
Inside rear view mirror .......... 150
Intuitive parking assist .......... 223
Radar sensor ................ 211, 240
Rain-sensing windshield wipers ................................. 196
Service plug ............................... 83
Shift lever ................................. 179
Side airbags ............................... 37
Side marker lights ................... 187 Light switch ........................... 187
Replacing light bulbs............. 358 Side mirrors ............................. 151
Adjusting and folding ............ 151
BSM (Blind Spot Monitor) ..... 245
Heaters ................................. 261
Side turn signal lights ............. 185
Replacing light bulbs ............ 358
Turn signal lever ................... 185
Smart key system .................... 131
Antenna location ................... 131
Entry functions .............. 120, 126
Starting the fuel cell system .......... ...................... 172
Warning message................. 376
Snow tires ................................ 253
Specifications .......................... 416
Speech command system
*
Speedometer............................ 102
Steering wheel ......................... 147
Adjustment............................ 147
Audio switches
*
Heated steering wheel .......... 267
Meter control switches .......... 104
Power easy access system .......... ...................... 140
Telephone switches
*
Stop lights Replacing light bulbs ............ 358
Storage feature ........................ 272
Stuck If the vehicle becomes
stuck ................................... 412
Sun visors ................................ 279
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.