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7-3. Do-it-yourself maintenance
7
Maintenance and care
■ If the key battery is depleted
The following symptoms may occur:
● The smart key system and wire-
less remote control will not func-
tion properly.
● The operational range will be
reduced.
Prepare the following before
replacing the battery:
Flathead screwdriver
Small flathead screwdriver
Lithium battery CR2450
■ Use a CR2450 lithium battery
● Batteries can be purchased at
your Toyota dealer, local electrical
appliance shops or camera stores.
● Replace only with the same or
equivalent type recommended by
the manufacturer.
● Dispose of used batteries accord-
ing to the local laws.
1 Release the lock and remove
the mechanical key.
2 Remove the key cover.
Use a screwdriver of an appropriate
size. Forcedly prying may cause
the cover damaged.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a rag.
3 Remove the depleted battery
using a small flathead screw-
driver.
When removing the cover, the elec-
tronic key module may stick to the
cover and the battery may not be
visible. In this case, remove the
electronic key module in order to
remove the battery.
Insert a new battery with the “+” ter-
Electronic key battery
Replace the battery with a
new one if it is depleted.
Items to prepare
Replacing the battery
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