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Replacing the battery in the key of an Audi A3 model 8v is very straightforward. The steps to follow are: -insert a screwdriver into the bottom of the remote; -remove the cover; -take out the battery; -insert the new battery; -close the cover; The battery to use for this remote model is a CR2032, 3 Volt. After replacing the battery, you need to be near the vehicle to test its functionality. If the key does not work or is not recognised, it will need to be reprogrammed.
Updated on 14 September 2026 by ScegliAuto
Video tutorial
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