Replace the key fob cover which should snap into place.
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Make sure the positive symbol is facing you.
The positive is on top while the negative side of the button cell battery is facing the key fob.
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Replacing the cr2025 battery in your mazda key fob is a cinch.
All you need is a small flat head or pocket screwdriver a replacement battery from your local.
Place the back mazda key fob case aside.
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Remove the key fob battery cover from your mazda remote.
Pull out the dead key fob battery from the mazda keyless remote.
Replace the battery cap.
Lastly reinsert the auxiliary key.
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