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6-3. Do-it-yourself maintenance
1 Take out the mechanical key.
2
Remove the cover.
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.
Replacing the battery
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.
● If you accidentally swallow a battery or
put a battery into a part of your body,
get emergency medical attention
immediately.
■ To prevent battery explosion or leak-
age of flammable liquid or gas
● Replace the battery with a new battery
of the same type. If a wrong type of
battery is used, it may explode.
● Do not expose batteries to extremely
low pressure due to high altitude or
extremely high temperatures.
● Do not burn, break or cut a battery.
NOTICE
■ When replacing the battery
Use a flathead screwdriver of appropri-
ate size. Applying excessive force may
deform or damage the cover.
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