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How to Replace the Remote Key Battery on the 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

To replace the remote key battery on the Mazda 3, slide the key out from the top of the device: once removed, you can leverage inside the groove that separates the two halves of the remote. Once opened, you can detach the circular battery cover, extracting the battery from its housing.

After the device has been removed, insert the new replacement part, close the remote, and check that it functions correctly.


Updated on 29 June 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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by ScegliAuto

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