Remove the key fob battery cover from your mazda remote.
Mazda 3 key fob battery replacement 2010.
Released in 2004 the vehicle is currently in its fourth generation.
Cr2025 battery lithium button coin cell batteries 3v 3 volt remote watch jewelry led key fob replacement 2025 cr pack set bulk 2 pack 4 4 out of 5 stars 485 6 47 6.
Fold the metal ignition key back down in to the fob and double check that the parts are secure.
Save money doing it yourself.
Push on ignition key.
Push the metal ignition key piece back in to the fob until it clicks in to place.
Stand near your mazda3 and press the lock or unlock buttons to test the new key fob battery.
Pull out the dead key fob battery from the mazda keyless remote.
Simple step by step video on how to replace the battery in a key fob remote.
Make sure the positive symbol is facing you.
Test new fob battery.
Place the back mazda key fob case aside.