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How to Replace the Remote Key Battery on a Mazda CX-7

Model: Mazda Cx 7 MK 1 - Years 2006-2012
Part: Key

Here are the instructions to disassemble and replace the battery in the remote key of the Mazda CX-7. First, take your remote and start prying open the side slot with a thin, pointed tool, removing the electronic board to access the battery compartment; take out the battery found inside, as shown in the video. Now install the new battery, the correct type (in this case, a CR 1620); insert it the right way round and reassemble the remote, checking its functionality!

Posted on 7 May 2026 by ScegliAuto

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by ScegliAuto

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