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How to Replace the Key Fob Battery on a Porsche Cayenne

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

To replace the key fob battery on a Porsche Cayenne, remove the key from the device by pressing the button on the top rear. Once the key is removed, pry it out of its housing, detaching the cover on the back of the device and also removing the battery cover underneath. This way, the old battery can be taken out from its slot, and the new replacement part can be inserted. After replacing, close the key fob and check that everything works.

Updated on 23 August 2026 by ScegliAuto

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