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8-2. Steps to take in an emergency
● The power switch mode is memo-
rized by the vehicle. When the 12-
volt battery is reconnected, the
system will return to the mode it
was in before the 12-volt battery
was discharged. Before discon-
necting the 12-volt battery, turn
the power switch off.
If you are unsure what mode the
power switch was in before the
12-volt battery discharged, be
especially careful when recon-
necting the 12-volt battery.
● Some systems may require initial-
ization. (P.582)
■ When replacing the 12-volt bat-
tery
● Use a 12-volt battery that con-
forms to European regulations.
● Use a 12-volt battery that the case
size is same as the previous one
(LN2), 20 hours rate capacity
(20HR) is equivalent (55Ah) or
greater, and performance rating
(CCA) is equivalent (345A) or
greater.
• If the sizes differ, the 12-volt bat-
tery cannot be properly secured.
• If the 20 hour rate capacity is low,
even if the time period where the
vehicle is not used is a short time,
the 12-volt battery may discharge
and hybrid system may not be
able to start.
● Use a ventilation type calcium bat-
tery
● Use a 12-volt battery with a han-
dle. If a 12-volt battery without a
handle is used, removal is more
difficult.
● When removing the 12-volt bat-
tery: P.467
● After replacing, firmly attach the
following items to the exhaust hole
of the 12-volt battery.
• Use the exhaust hose that was
attached to the 12-volt battery
before replacing and confirm that
it is firmly connected to the hole
section of the vehicle.
• Use the exhaust hole plug
included with the new 12-volt bat-
tery or the one installed on the
battery prior to the replacement.
(Depending on the new 12-volt
battery installed, the exhaust hole
may be plugged.)
For details, consult your Toyota
dealer.
Exhaust hole
Exhaust hose
Hole section of the vehicle
● The terminals can be connected
to the body side when the nega-
tive terminal of the 12-volt battery
is disconnected, as shown in the
illustration.
WARNING
■ When removing the battery
terminals
Always remove the negative (-)
terminal first. If the positive (+) ter-
minal contacts any metal in the
surrounding area when the posi-
tive (+) terminal is removed, a
spark may occur, leading to a fire
in addition to electrical shocks
and death or serious injury.
A
B
C
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