2022 TOYOTA MIRAI power steering fluid

1665-1. Before driving
Owners Manual_USA_M62084_en
WARNING
●The brake system consists of 2
or more individual hydraulic sys-
tems; if one of the systems fails,
the other(s) will still operate. In
this case, the brake pedal
should be depressed more
firmly than usual and the brak-
ing distance will increase. Have
your brakes fixed immediately.
NOTICE
■When driving the vehicle
●Do not depress t he accelerator
and brake pedals at the same
time during drivin g, as this may
restrain the fuel cell system out-
put.
●Do not use the accelerator
pedal or depress the accelera-
tor and brake pedals at the
same time to hold the vehicle on
a hill.
■When parking the vehicle
Always set the parking brake, and
shift the shift position to P. Failure
to do so may cause the vehicle to
move or the vehi cle may acceler-
ate suddenly if the accelerator
pedal is accidentally depressed.
■Avoiding damage to vehicle
parts
●Do not turn the steering wheel
fully in either direction and hold
it there for an extended period
of time.
Doing so may damage the
power steering motor.
●When driving over bumps in the
road, drive as slowly as possible
to avoid damagi ng the wheels,
underside of the vehicle, etc.
■If you get a flat tire while driv-
ing
A flat or damaged tire may cause
the following situations. Hold the
steering wheel firmly and gradu-
ally depress the brake pedal to
slow down the vehicle.
●It may be difficult to control your
vehicle.
●The vehicle will make abnormal
sounds or vibrations.
●The vehicle will lean abnor-
mally.
Information on what to do in case
of a flat tire ( P.455)
■When encountering flooded
roads
Do not drive on a road that has
flooded after heavy rain, etc.
Doing so may cause the following
serious damage to the vehicle:
●Fuel cell system stalling
●Short in electrical components
●Fuel cell system damage
caused by water immersion
In the event that you drive on a
flooded road and the vehicle is
flooded, be sure to have your Toy-
ota dealer check the following:
●Fuel cell system
●Brake function
●Changes in quantity and quality
of transmission fluid, etc.
●Lubricant condition for the bear-
ings and suspension joints
(where possible), and the func-
tion of all joints, bearings, etc.

4398-2. Steps to take in an emergency
Owners Manual_USA_M62084_en
8
When trouble arises
steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench can be pur-
chased at your Toyota dealer.
■Before transporting or towing in
frozen areas
Operate the water release function.
Otherwise, the fuel cell system may
freeze and the vehicle may not be
able to be started. ( P.189)
 Fluid leaks under the vehicle.
(Water dripping from the air
conditioning after use is nor-
mal.)
 Flat-looking tires or uneven
tire wear
 The high coolant temperature
gauge needle continually
points higher than normal.
 Hydrogen gas leakage noises
can be heard. ( P. 8 5 )
 Excessive tire squeal when
cornering
 Strange noises related to the
suspension system
 Other noises related to the
fuel cell system
 Stumbling or running roughly
 Appreciable loss of power
 Vehicle pulls heavily to one
If you think something
is wrong
If you notice any of the fol-
lowing symptoms, your
vehicle probably needs
adjustment or repair. Con-
tact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

528Alphabetical Index
Owners Manual_USA_M62084_en
Average vehicle speed........... 104
B
Back-up lights Replacing light bulbs ............ 429
Battery (12-volt battery) ......... 400 Battery checking................... 400
If the 12-volt battery is dis-charged .............................. 471
Preparing and c hecking before
winter.................................. 320
Warning light ........................ 442
Battery (traction battery) ......... 79
Blind Spot Monitor (BSM) ...... 249 Enabling/disabling the system........................................... 251
Brake Brake hold ............................ 186
Fluid ............................. 399, 486
Parking brake ....................... 183
Warning light ........................ 441
Brake assist ............................ 315
Break-in tips ........ ................... 162
Brightness control Instrument panel light control . 98
BSM (Blind Spot Monitor) ...... 249 Enabling/disabling the system........................................... 251
Buzzer Hands off steering wheel warn-ing (LTA) ............................. 232
Vehicle sway warning function (LTA) ................................... 233
C
Care ................................. 380, 384 Aluminum wheel ornaments . 380
Aluminum wheels ................. 380
Exterior ................................. 380
Interior .................................. 384
Roof film ............................... 381 Seat belts .............................384
Traction battery air intake vent
...........................................420
Cargo and luggage .................167
Cargo capacity ........................170
Chains......................................321
Child restraint system ..............52 Fixed with a LATCH system ...60
Fixed with a seat belt..............56
Front passenger occupant clas-sification system ...................46
Points to remember ................52
Riding with children ................51
Types of child restraint system installation method ...............54
Using an anchor bracket ........62
Child safety ...............................51 12-volt battery precautions .401, 474
Airbag precautions .................39
Child restraint system .............54
Electronic sunshade .............356
Heated steering wheel and seat heater precautio ns..............342
How your child should wear the seat belt ................................30
Power window lock switch ....158
Power window precautions...157
Rear door child-protectors ....124
Removed electronic key battery precautions .........................424
Seat belt extender precautions .............................................30
Seat belt precautions..............51
Trunk precautions .................126
Child-protectors......................124
Cleaning ..........................380, 384 Aluminum wheel ornaments .380
Aluminum wheels .................380
Exterior .................................380
Interior ..................................384
Radar sensor ........................208

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