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6-3. Do-it-yourself maintenance
Electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Flathead screwdriver
●
Small flathead screwdriver
●
Lithium battery CR2032
●
Replacing the battery
Take out the mechanical key.
1
Remove the cover.
2
To prevent damage to the key, cover
the tip of the screwdriver with a rag.
Remove the depleted battery.
3
Insert a new battery with the "+" termi-
nal facing up.
ES350 300h_OM_OM33A01U_(U)
I n f o r ma t i o n P r o v i d e d b y :
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