4-3. Do-it-yourself maintenance
Replace the battery with a new one if it is depleted.
■ You will need the following items:
● Flathead screwdriver
● Lithium battery (CR2016)
■ Replacing the battery
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the module.
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the
“+” terminal facing up.