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

Model: Mazda CX-5 MK 1, KE - Years: 2012, 2013, 2014, 2015, 2016, 2017
Part: Key

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Video tutorial

Let’s see how to replace the battery in a Mazda CX-5 key. Take the remote: extract the key blade, then use a screwdriver to pry between the two covers of the key (separate the covers as shown in the video). Pry until the covers separate, then remove the worn battery with a small screwdriver; take and replace it with a new one (of the same size and voltage).

Press the key case until you hear the locking click. Finally, join the two covers and check the correct operation of the remote by pressing the buttons.


Updated on 12 March 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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