Lexus RZ450E 2023 Owner's Manual page 523

Replace the electronic key bat-
tery
Replace the battery with a new one if it
is depleted.
The battery for the card key is available
only at Lexus dealers. Your Lexus
dealer can replace the battery for you.
Prepare the following before replacing
the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
Use a CR2032 lithium battery
■
● Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
● Replace only with the same or equivalent
type recommended by the manufacturer.
Dispose of used batteries according to
●
the local laws.
■ If the electronic key battery is depleted
The following symptoms may occur:
● The smart access system with push-but-
ton start and wireless remote control will
not function properly.
The operational range will be reduced.
●
1
Take out the mechanical key.
2 Remove the cover.
9-5. If a door cannot be opened or locked
To prevent damage to the key, cover the tip
of the flathead screwdriver with a tape.
3 Remove the depleted battery.
Insert a new battery with the "+" terminal
facing up.
WARNING
■ Battery precautions
Observe the following precautions. Fail-
ure to do so may result in death or seri-
ous injury.
Do not swallow the battery. Doing so
●
may cause chemical burns.
A coin battery or button battery is
●
used in the electronic key. If a battery is
swallowed, it may cause severe chemi-
cal burns in as little as 2 hours and may
result in death or serious injury.
● Keep away new and removed batteries
from children.
● If the cover cannot be firmly closed,
stop using the electronic key and stow
the key in the place where children
cannot reach, and then contact your
Lexus dealer.
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