Lexus RZ450E 2023 Owner's Manual page 509

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WARNING
When removing the 12-volt battery
terminals
Always remove the negative (-) terminal
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 addi-
tion to electrical shocks and death or
serious injury.
Avoiding 12-volt battery fires or
explosions
Observe the following precautions to
prevent accidentally igniting the flamma-
ble gas that may be emitted from the
12-volt battery:
Make sure each jumper cable is con-
nected to the correct terminal and that
it is not unintentionally in contact with
any other than the intended terminal.
Do not allow the other end of the
jumper cable connected to the "+" ter-
minal 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 poisonous
and corrosive acidic electrolyte, while
related parts contain lead and lead com-
pounds. Observe the following precau-
tions 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 battery.
9-3. If the EV system will not start
In the event that battery fluid comes
into contact with the skin or eyes,
immediately wash the affected area
with water and seek medical attention.
Place a wet sponge or cloth over the
affected area until medical attention can
be received.
Always wash your hands after handling
the 12-volt battery support, terminals,
and other battery-related parts.
Do not allow children near the 12-volt
battery.
If a 12-volt battery terminal has been
disconnected
If a 12-volt battery terminal has been dis-
connected, the doors cannot be locked
or unlocked using the Smart access sys-
tem with push-button start system or
wireless remote control, and the door
opener switches will not operate.
Make sure to remove the electronic key
(mechanical key) from the vehicle before
disconnecting a 12-volt battery terminal.
If the electronic key (mechanical key) is to
be left in the vehicle, open a window so an
inside manual release handle can be oper-
ated.
The doors may not be able to be
unlocked using the Smart access system
with push-button start immediately after
a 12-volt battery terminal is disconnected
and reconnected.
If the doors cannot be unlocked, use the
wireless remote control or mechanical key
to lock and unlock the doors.
When a 12-volt battery terminal is dis-
connected, information recorded by vari-
ous computers will be cleared.
Some systems may require initialization.
509
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