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How to Replace the Key Battery on the Isuzu Mu X

Model: Isuzu Mu X MK  1, RF - Years 2013-2020
Part: Key

If you notice that you can no longer unlock the doors of your vehicle with the remote key, the battery in the key has likely died and needs to be replaced. The following description provides the instructions and steps to follow. First, remove the emergency key and use it to pry off the back cover of the remote. Under the cover, you will find the compartment that holds the battery, which you can remove and replace with a new one, ensuring the positive terminal is facing up. Then, close and snap the cover back on, and finally, reinsert the emergency key.

Updated on 17 July 2026 by ScegliAuto

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