Electronic Key Battery - Toyota 2010 Prius Owner's Manual

4-3. Do-it-yourself maintenance

Electronic key battery

Replace the battery with a new one if it is discharged.
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You will need the following items:
● Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with rag)
● Small Phillips-head screwdriver
● Lithium battery (CR1632)
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Replacing the battery
STEP 1
STEP 2
STEP 3
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Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the
"+" terminal facing up.
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