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How to replace the battery of the key fob remote for an Opel Astra

Model: Vauxhall Astra Astra J - Years 2009-2016
Part: Key

In this video tutorial, you can observe the steps to follow to replace the battery of the key remote of an Opel Astra J car. You will not need any special tools, just a new battery of the correct model, which is a flat CR 2032 3V battery. Take the remote of your car and press the button on the top of the casing to release the metal key inside. Then, locate the edge where the key slot is and pry it open with your fingers to access the battery. Remove the old battery and proceed with the replacement.

Posted on 3 September 2025 by ScegliAuto

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