If You Think Something Is Wrong - Toyota MIRAI 2021 Owner's Manual

■ While towing
If the fuel cell system is off, the
power assist for the brakes and
steering will not function, making
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.190)
MIRAI Owners Manual_USA_M62034_en
8-2. Steps to take in an emergency
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
 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.
Audible symptoms
 Hydrogen gas leakage noises
can be heard. (P.84)
 Excessive tire squeal when
cornering
 Strange noises related to the
suspension system
 Other noises related to the
fuel cell system
Operational symptoms
 Stumbling or running roughly
 Appreciable loss of power
 Vehicle pulls heavily to one
441
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