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456
8-2. Steps to take in an emergency
about 6 seconds): Maintain the
fuel cell system operation for more
than 15 minutes and charge the
12-volt battery.
• When the display does not go off:
Start up the fuel cell system using
the procedures: P.473
●
If "Maintenance Required for Trac-
tion Battery Cooling Parts See
Owner's Manual" is shown, the fil-
ters may be clogged, the air intake
vents may be blocked, or there
may be a gap in the duct. There-
fore, perform the following correc-
tion procedure.
• If the air intake vents and filters of
the traction battery are dirty, per-
form the procedure on P.422to
clean them.
• If the warning message is shown
when the air intake vents and fil-
ters of the traction battery are not
dirty, have the vehicle inspected
by your Toyota dealer.
■
If "Ion Filter Maintenance
Required Visit Your Dealer" is
displayed
Ion filter replacement is necessary.
Contact your Toyota dealer.
NOTICE
■
If "Low Auxiliary Battery See
Owner's Manual" is displayed
frequently
The 12-volt battery may have
deteriorated. As the battery may
discharge in this state when left
unattended, have the battery
inspected by your Toyota dealer.
MIRAI Owners Manual_USA_M62034_en
■
If "Maintenance Required For
Traction Battery At Your
Dealer" is displayed
This message indicates that the
traction battery may require
inspection or replacement. Have
the vehicle inspected by your Toy-
ota dealer immediately.
Do not continue driving the vehi-
cle, as the fuel cell system may
become not able to be started
again.
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