Electronic Key Battery - Toyota PRIUS 2023 Manual

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6-3. Do-it-yourself maintenance
NOTICE
■ To prevent damage to the
vehicle
Observe the following precau-
tions:
● Do not allow water or foreign
matter to enter the air intake
vent.
● Make sure to reinstall the filter
and cover to their original posi-
tions after cleaning.
● Do not install anything to the air
intake vent other than the exclu-
sive filter for this vehicle or use
the vehicle without the filter
installed.
■ To prevent damage to the fil-
ter
Observe the following precau-
tions.
If the filter is damaged, have it
replaced with a new filter by your
Toyota dealer.
● Do not use an air blow gun, etc.
● Do not press hard a vacuum
cleaner, etc. against the filter.
● Do not use a hard brush, such
as a metal brush.
● Do not break the fold of the fil-
ter.

Electronic key battery

Replace the battery with a
new one if it is depleted.
■ If the electronic 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.
Items to prepare
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.
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