Toyota Highlander Hybrid 2020 Owner's Manual page 495

• 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 12-volt battery
replaced or the one installed on
the 12-volt battery prior to the
replacement. (Depending on the
12-volt battery to be replaced, the
exhaust hole may be plugged.)
Exhaust hole
Exhaust hole plug
Exhaust hose
Hole section of the vehicle
For details, consult your Toyota
dealer.
WARNING
■ When removing the 12-volt
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.
HIGHLANDER HV_U
7-2. Steps to take in an emergency
■ When disconnecting the
12-volt battery
Do not disconnect the negative (-)
terminal on the body side. The
disconnected negative (-) terminal
may touch the positive (+) termi-
nal, which may cause a short and
result in death or serious injury.
■ Avoiding 12-volt battery fires
or explosions
Observe the following precautions
to prevent accidentally igniting the
flammable gas that may be emit-
ted from the 12-volt battery:
● Make sure each jumper cable is
connected to the correct termi-
nal and that it is not unintention-
ally in contact with any other
than the intended terminal.
● Do not allow the other end of
the jumper cable connected to
the "+" terminal to come into
contact with any other parts or
metal surfaces in the area, such
as brackets or unpainted metal.
● Do not allow the + and - clamps
of the jumper cables to come
into contact with each other.
● Do not smoke, use matches,
cigarette lighters or allow open
flame near the 12-volt battery.
■ 12-volt battery precautions
The 12-volt battery contains poi-
sonous and corrosive acidic elec-
trolyte, while related parts contain
lead and lead compounds.
Observe the following precautions
when handling the 12-volt battery:
● When working with the 12-volt
battery, always wear safety
glasses and take care not to
allow any battery fluids (acid) to
come into contact with skin,
clothing or the vehicle body.
● Do not lean over the 12-volt bat-
tery.
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