The positive is on top while the negative side of the button cell battery is facing the key fob.
2010 mazda 3 key fob battery change.
Save money doing it yourself.
All you need is a small flat head or pocket screwdriver a replacement battery from your local.
Once you ve removed the manual mazda key changing the battery is a breeze.
Replace the key fob cover which should snap into place.
Lastly reinsert the auxiliary key.
Simple step by step video on how to replace the battery in a key fob remote.
Fold the metal ignition key back down in to the fob and double check that the parts are secure.
We will show you how to change the battery of every key version since 2004.
Replace the battery cap.
You will need a small flat head screwdriver and a cr2025 battery once you have these items follow these steps to open the mazda key fob and replace the battery.
Stand near your mazda3 and press the lock or unlock buttons to test the new key fob battery.
How to change a mazda key fob battery.
Push on ignition key.
Pull out the dead key fob battery from the mazda keyless remote.
Remove the key fob battery cover from your mazda remote.
Make sure the positive symbol is facing you.
Test new fob battery.
Place the back mazda key fob case aside.
What to do if you lose your car keys again though you can try figuring out how to replace the mazda key fob battery yourself we always recommend working with a qualified mazda technician to avoid damaging the key.
This is a total guide for mazda 3 key fob battery replacement.
Insert the new battery.
Push the metal ignition key piece back in to the fob until it clicks in to place.