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How to Replace the Key Battery on the Jeep Wrangler 3

Model: Jeep Wrangler MK 3, JK - Years 2007-2018
Part: Key

When the key for your Jeep Wrangler third series suddenly stops working, you don’t necessarily need to buy a new one. You can solve the problem by replacing the small button battery located inside. Let’s see how to perform this operation. First, obtain a flathead screwdriver, then use it to remove the cover of the key and locate the exhausted battery. At this point, simply remove the old battery and replace it with a new one (model ECR 2032).

Updated on 16 September 2026 by ScegliAuto

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