576
8-2. Steps to take in an emergency
operate properly (P.572). This is not
a malfunction, as the hybrid system
will start normally on the second
attempt.
● The power switch mode is memorized
by the vehicle. When the 12-volt bat-
tery is reconnected, the system will
return to the mode it was in before the
12-volt battery was discharged.
Before disconnecting the 12-volt bat-
tery, 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 reconnecting the 12-volt
battery.
■ When replacing the 12-volt battery
● Use a 12-volt battery that conforms 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 equiva-
lent (345A) or greater.
• If the sizes differ, the 12-volt battery
cannot be properly secured.
• If the 20 hour rate capacity is low,
even if the time period where the vehi-
cle 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 battery
● Use a 12-volt battery with a handle. If
a 12-volt battery without a handle is
used, removal is more difficult.
● When removing the 12-volt battery:
P.486
● After replacing, firmly attach the fol-
lowing 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 battery 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 any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Exhaust hole
Exhaust hose
Hole section of the vehicle
● The terminals can be connected to the
body side when the negative terminal
of the 12-volt battery is disconnected,
as shown in the illustration.
■ When removing the battery ter-
minals
Always remove the negative (-) termi-
nal first. If the positive (+) terminal
contacts any metal in the surrounding
area when the positive (+) terminal is
removed, a spark may occur, leading
to a fire in addition to electrical shocks
and death or serious injury.
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