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How to Replace the Key Battery in the Porsche Cayenne 3

Model: Porsche Cayenne MK 3 - Years 2017-2026
Part: Key

To replace the button battery inside the smart key of your Porsche Cayenne third generation (2017-2022) on your own, carefully follow the instructions in this guide. First, pull out the physical emergency key by simply sliding it out. Next, remove the side parts of the cover and locate the protective cap in the center. Remove it as well and proceed to replace the old battery with the new one. Finally, reassemble everything correctly, and you're done.

Updated on 1 July 2026 by ScegliAuto

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