If the buttons are not working or the key indicator light does not flash when you start the vehicle the battery in your mazda key fob may need to be replaced.
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In order to begin you need all of the fobs that you would like to enable for your vehicle.
Released in 2004 the vehicle is currently in its fourth generation.
Start by opening the driver s side door.
Replace the battery cap.
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.
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Make sure the positive symbol is facing you.
Replace the key fob cover which should snap into place.
Is the mazda key fob giving you some trouble.
There is a three fob limit set by mazda so only program up to three.
Lastly reinsert the auxiliary key.
Use the lock button to lock and unlock the door and leave the door open.
Place your key in the ignition and set it to the on position.
Insert the new battery.
Place the back mazda key fob case aside.
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.
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Here is the battery you need https amzn to 31mqvs6 here is a quick little video on how to replace the battery in your mazda key fob remote control.
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Save money doing it yourself.
Pull out the dead key fob battery from the mazda keyless remote.
The positive is on top while the negative side of the button cell battery is facing the key fob.
How to change and replace the mazda key fob battery.