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7-3. Do-it-yourself maintenance
The 12-volt battery is located in
the right-hand side of luggage
compartment.
■ Before recharging
When recharging, the 12-volt bat-
tery produces hydrogen gas which
is flammable and explosive. There-
fore, observe the following precau-
tions before recharging:
● If recharging with the 12-volt bat-
tery installed on the vehicle, be
sure to disconnect the ground
cable.
● Make sure the power switch on
the charger is off when connecting
and disconnecting the charger
cables to the 12-volt battery.
■ After recharging/reconnecting
the 12-volt battery (vehicles
with smart key system)
The hybrid system may not start.
Follow the procedure below to ini-
tialize the system.
1 Shift the shift lever to P.
2 Open and close any of the doors.
3 Restart the hybrid system.
● Unlocking the doors using the
smart key system may not be pos-
sible immediately after reconnect-
ing the 12-volt battery. If this
happens, use the wireless remote
control or the mechanical key to
lock/unlock the doors.
● Start the hybrid system with the
power switch in ACC. The hybrid
system may not start with the
power switch turned off. However,
the hybrid system will operate nor-
mally from the second attempt.
● The power switch mode is
recorded by the vehicle. If the 12-
volt battery is reconnected, the
vehicle will return the power
switch mode to the status it was in
before the 12-volt battery was dis-
connected. Make sure to turn off
the power switch before discon-
nect the 12-volt battery. Take extra
care when connecting the 12-volt
battery if the power switch mode
prior to discharge is unknown.
If the hybrid system will not start
even after multiple attempts at all
methods above, contact your Toyota
dealer.
12-volt battery
Location
WARNING
■ Chemicals in the 12-volt bat-
tery
The 12-volt battery contains poi-
sonous and corrosive sulfuric acid
and may produce hydrogen gas
which is flammable and explosive.
To reduce the risk of death or seri-
ous injury, take the following pre-
cautions while working on or near
the 12-volt battery:
● Do not cause sparks by touch-
ing the 12-volt battery terminals
with tools.
● Do not smoke or light a match
near the 12-volt battery.
● Avoid contact with eyes, skin
and clothes.
● Never inhale or swallow electro-
lyte.
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