Place the back mazda key fob case aside.
Mazda 3 key fob battery replacement 2010.
Push the metal ignition key piece back in to the fob until it clicks in to place.
Fold the metal ignition key back down in to the fob and double check that the parts are secure.
Make sure the positive symbol is facing you.
Insert the new battery.
Mazda 3 key fob battery remote replacement diy years 2004 2018 the mazda 3 also known as the mazda axela is a fun to drive reliable and safe compact car.
The positive is on top while the negative side of the button cell battery is facing the key fob.
Push on ignition key.
Test new fob battery.
Remove the key fob battery cover from your mazda remote.