Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Change the Key Battery of the Mazda 3

Model: Mazda 3 MK 2, BL - Years 2009-2013
Part: Key

If the smart key of your second generation Mazda 3 (2009-2010) has suddenly stopped working due to a dead battery, don't worry. Below, you will find a quick and safe way to replace it. First, get a small flathead screwdriver and disassemble the key fob. Next, locate the button cell battery inside the key and remove it. Insert the new battery and reassemble the key fob correctly. Finally, test the remote's functionality.

Updated on 4 July 2026 by ScegliAuto

Video tutorial

Related tutorials

How to replace the battery of the Mazda 3 key.
How to replace the battery of the Mazda 3 key.
Mazda 3 (2013-2019 / MK 3, BN, BM) Thanks to the following guide, you will be able to replace the button battery inside the key of your third generation Mazda 3 in just a few seconds. …
How to Replace the Key Battery of the Mazda 3
How to Replace the Key Battery of the Mazda 3
Mazda 3 (2003-2009 / BK, MK 1) If you want to learn how to correctly replace the key battery of your Mazda 3 Mk1, simply read this guide carefully and follow the instructions. Firs…
How to Replace the Key Battery of the Mazda 3
How to Replace the Key Battery of the Mazda 3
Mazda 3 (2013-2019 / MK 3, BN, BM) If the smart key of your Mazda 3 (2013-2019) is no longer working due to a completely dead battery, don't worry. With the following guide, you will b…

Other guides you may be interested in

    Frequently Asked Questions

    • Mazda 3 2019-2026 - What does the wrench light on the Mazda 3 indicate? Read answer

How to Adjust the Brightness of the Instrument Cluster on a Peugeot 3008?

To adjust the brightness of the instrument cluster on a Peugeot 3008, you need to turn on the ignition and access the settings via the menu located in the central area of the dashboard. In the screen that appears, select the "Display Configuration" option: now, by selecting the "Brightness" option, you can adjust it using the dedicated slider that will appear on the screen. The adjustment should be made with the headlights on as well as with them off. Once the adjustment is complete, you can turn off the instrument cluster.

Watch the video!


by ScegliAuto

More videos