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How to Change the Key Battery of the Mazda 3

Model: Mazda 3 BL, MK 2 - Years: 2009, 2010, 2011, 2012, 2013
Part: Key

See other generations:
Video tutorial

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


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How to Reset the Tyre Pressure Warning Light on the Jeep Renegade?

To reset the tyre pressure warning light on the Jeep Renegade, inflate the tyres until they reach the recommended pressure: this value is indicated on the sticker attached to the driver’s door pillar. Once the tyres are properly inflated, navigate through the menu that appears on the instrument cluster until you find the tyre pressure option. At this point, press and hold the OK button on the right side of the steering wheel to make the warning light disappear.

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by ScegliAuto

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