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How to Replace the Battery in a Jeep Wrangler Remote

Model: Jeep Wrangler JL, MK 4 - Years 2018-2026
Part: Key

In this brief video tutorial, we will see how to replace the battery in a remote for a 2021 Jeep Wrangler. First, find a slot along the edge of the key; once found, use a flathead screwdriver or preferably a plastic lever to avoid damaging the remote casing, and begin to pry in that slot. Carefully detach the remote casing; once removed, you will immediately see the battery to be replaced. Replace it, and you are done. The battery for this remote is a CR2450 3V.

Updated on 3 July 2026 by ScegliAuto

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by ScegliAuto

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