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How to Replace the Key Battery on a Mazda 3

Model: Mazda 3 BK, MK 1 - Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Key

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Video tutorial

How to replace the battery in the key fob for a Mazda 3? Here's how: take your key fob and press the button to release the metal key. Once extracted, use a lever to separate the two covers and open half of it (as shown in the video). Remove the flat battery from the housing (after separating the two halves of the covers), take a new one of the same size and voltage.

Refit the plastic battery holder in the key fob cover, then insert the metal key back into the cover. Check the key fob's proper functioning.


Updated on 7 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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by ScegliAuto

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