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Mazda 3 key fob battery change.
Insert the new battery.
Lastly reinsert the auxiliary key.
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Remove the key fob battery cover from your mazda remote.
Make sure the positive symbol is facing you.
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We will show you how to change the battery of every key version since 2004.
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No matter what key fob you have you will be able to change it on your own quickly and easily.
These keys can be difficult to open up just because people do not know how.
Replace the battery cap.
Place the back mazda key fob case aside.
Pull out the dead key fob battery from the mazda keyless remote.
This video will help you to change the key battery on a mazda flip key.
Replace the key fob cover which should snap into place.
The positive is on top while the negative side of the button cell battery is facing the key fob.