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Replacing the Remote Battery of a Mazda 3

Model: Mazda 3 BM, BN, MK 3 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Key

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Video tutorial

In this guide, replace the remote battery of a Mazda 3. When you can no longer unlock your car, you need to change the battery inside the key fob. Take the car's ignition key and slide out the metal key from the key fob (press the button); insert a screwdriver into the slot, press at the right point until you open the plastic cover of the key. Remove the exhausted battery and insert the new one, then close the key fob with the cover and finally slide the metal key back in.


Updated on 14 March 2026 by ScegliAuto


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How to Remove the Toll Tag Holder from the Car Windscreen

The toll tag holder is usually attached to the car windscreen to ensure that the toll tag functions immediately when passing through barriers. However, if you decide to remove the holder, you should follow this procedure: - Insert the toll tag into the holder; - Pull the holder inwards to detach it from the windscreen; you can use a glass scraper or a stiff plastic card to assist you; After removing the holder, it is essential to remove the adhesive from the windscreen. To remove the adhesive, we recommend using a solvent-based spray that will remove the glue without clouding the area.

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