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2012 mazda 3 key fob battery.
Stand near your mazda3 and press the lock or unlock buttons to test the new key fob 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.
Push the metal ignition key piece back in to the fob until it clicks in to place.
Pull out the dead key fob battery from the mazda keyless remote.
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Insert the new battery.
Make sure the positive symbol is facing you.
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Test new fob battery.
Remove the key fob battery cover from your mazda remote.
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Push on ignition key.
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Fold the metal ignition key back down in to the fob and double check that the parts are secure.
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The positive is on top while the negative side of the button cell battery is facing the key fob.
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