Fold the metal ignition key back down in to the fob and double check that the parts are secure.
Mazda 3 key fob battery replacement 2010.
Push the metal ignition key piece back in to the fob until it clicks in to place.
Insert the new battery.
The positive is on top while the negative side of the button cell battery is facing the key fob.
Pull out the dead key fob battery from the mazda keyless remote.
Remove the key fob battery cover from your mazda remote.
Stand near your mazda3 and press the lock or unlock buttons to test the new key fob battery.
Make sure the positive symbol is facing you.
Released in 2004 the vehicle is currently in its fourth generation.
Place the back mazda key fob case aside.