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388
7-3. Do-it-yourself maintenance
Wireless remote con-
trol/electronic key bat-
tery
Replace the battery with a new
one if it is depleted.
As the key may be damaged if
the following procedure is not
performed properly, it is rec-
ommended that key battery
replacement be performed by
your Toyota dealer.
■
If the key battery is depleted
The following symptoms may occur:
●
The smart entry & start system (if
equipped) and wireless remote control
will not function properly.
●
The operational range will be reduced.
Items to prepare
Flathead screwdriver
Small flathead screwdriver
Lithium battery CR2032
■
Use a CR2032 lithium battery
Batteries can be purchased at your
●
Toyota dealer, local electrical appli-
ance shops or camera stores.
Replace only with the same or equiva-
●
lent type recommended by the manu-
facturer.
Dispose of used batteries according to
●
local laws.
COROLLA HV_ 国瑞 _GE
COROLLA HYBRID_OM_General_OM12M44E
Replacing the battery
Vehicles without a smart entry &
start system
1
Remove the key cover.
To prevent damage to the key, cover
the tip of the flathead screwdriver with a
rag.
2
Remove the battery cover.
If the battery cover is difficult to remove,
lift the edge to remove it.
3
Remove the depleted battery
using a small flathead screw-
driver.
Insert a new battery with the "+" termi-
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