Lastly reinsert the auxiliary key.
Mazda 3 key fob battery replacement 2016.
Pull out the dead key fob battery from the mazda keyless remote.
All you need is a small flat head or pocket screwdriver a replacement battery from your local.
Replace the battery cap.
The positive is on top while the negative side of the button cell battery is facing the key fob.
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.
Place the back mazda key fob case aside.
Released in 2004 the vehicle is currently in its fourth generation.
Replacing the battery cr 2025 in the mazda advanced keyless system key fob i am not a big fan of speaking so fewer words more work.
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.
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.
Replace the key fob cover which should snap into place.