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How to Replace the Key Battery on the Jeep Wrangler

Model: Jeep Wrangler JL, MK 4 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Replacing the old battery inside the smart key of the Jeep Wrangler is very simple and anyone can do it without any issues. You only need a standard flat screwdriver.

Insert the tip of the screwdriver into the small slot at the top of the key and gently push outward to fully open the cover. At this point, simply remove the old battery and replace it with a new one that is fully compatible with the key model.

Finally, close the cover and you are done.


Updated on 8 May 2026 by ScegliAuto


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by ScegliAuto

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