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How to Replace the Key Battery on an Isuzu D Max

Model: Isuzu Isuzu D Max Rt85, Rt50 - Years 2011-2024
Part: Key

Today, learn how to replace the key battery on an Isuzu D Max. First, insert a flat-head screwdriver into the key fob to pry it open. Once opened, remove the battery cover and take out the old battery. Insert a new CR1620 battery and close the battery cover. Finally, close the key fob. Go to the vehicle to test the remote's functionality. If it does not work and you have recently replaced the ECU, reprogramming may be necessary.

Updated on 17 September 2026 by ScegliAuto

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