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during cold temperatures, the time
for water purge from the tailpipe
may be longer than usual to pre-
vent liquid in the fuel cell stack
from freezing.
●
If the "FCV System Purge in Prog-
ress Purge will Stop Automati-
cally" is displayed in the multi-
information display, however it no
problem to exit the vehicle.
●
The water purge time may also be
long if the system is stopped
before fuel cell system warm-up is
completed.
●
It is normal to hear hissing and
other sounds during purge.
(P.75)
●
It is not a problem to do refueling
operations while the system is
purging.
The purging process is carried out
automatically after several min-
utes and a white mist may be
emitted, however this is not a mal-
function.
■
Parking the vehicle during cold
weather
●
Water may automatically purge
from the tailpipe, even when the
fuel cell system is off, in order to
prevent liquid in the fuel cell stack,
hydrogen pipelines, etc., from
freezing. Also, water vapor may
be purged, but this is not malfunc-
tion.
●
It is normal to hear hissing and
other sounds during purge.
(P.75)
■
Automatic fuel cell system shut
off feature
●
The vehicle is equipped with a
feature that automatically shuts off
the fuel cell system when the shift
position is in P with the fuel cell
system operating for an extended
period.
●
The fuel cell system will automati-
cally shut off after approximately 1
hour if it has been left running
while the shift position is in P.
MIRAI Owners Manual_USA_M62034_en
5-2. Driving procedures
●
The timer for the automatic fuel
cell system shut off feature will
reset if the brake pedal is
depressed or if the shift position is
in a position other than P.
●
After the vehicle is parked, if the
door is locked with the door lock
switch (P.123) from the inside or
the mechanical key from the out-
side, the automatic fuel cell sys-
tem shut off feature will be
disabled. The timer for the auto-
matic fuel cell system shut off fea-
ture will be re-enabled if the
driver's door is opened.
■
When the shift control system
malfunctions
When attempting to turn the power
switch off while there is a malfunc-
tion in the shift control system, the
power switch mode may change to
ACC. In this case, ACC may be
turned off by applying the parking
brake and pressing the power
switch again.
If there is a malfunction in the sys-
tem, have the vehicle inspected by
your Toyota dealer immediately.
■
Automatic P position selection
function
P.180
■
Water release (H
O switch)
2
P.190
175
5
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