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How to Replace the Key Battery in a Mazda CX-5

Model: Mazda CX-5 MK 1, KE - Years 2012-2017
Part: Key

If you own a first-generation Mazda CX-5 (2012-2017) and want to know how to replace the battery inside the key, follow these steps. First, locate the button on the side of the cover and press it to fully remove the emergency key. Next, using a small flat screwdriver or a simple utility knife, remove the rear cover and locate the exhausted battery. Replace it with a new one, and you’re done.

Updated on 15 August 2026 by ScegliAuto

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