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How to Replace the Key Battery on the Alfa Romeo 155

Model: Alfa Romeo 155 MK 1 - Years 1992-1998
Part: Key

To correctly replace the button battery inside the key of your Alfa Romeo 155, you only need a flat screwdriver and a new battery (model ECR 2016). First, take the flat screwdriver and use it to open the key cover. Next, locate the exhausted battery inside and remove it with your hands (you can also use the screwdriver if needed). Finally, insert the new button battery and correctly refit the cover. At this point, test the key to ensure it works properly.

Updated on 24 June 2026 by ScegliAuto

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