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How to Change the Key Battery on an Audi A3

Model: Audi A3 8V, MK 3 - Years: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Key

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Video tutorial

Below is the procedure to replace the battery in your third-generation Audi A3 key. First, you need a small flathead screwdriver and, of course, a new battery, specifically a CR2032 model. Once you have both items, take the car key and proceed to remove the rear cover using the screwdriver.

Next, use the screwdriver again to easily remove the old battery and replace it with the new one. Finally, reassemble the cover.


Posted on 11 August 2026 by ScegliAuto


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How to Remove the Toll Tag Holder from the Car Windscreen

The toll tag holder is usually attached to the car windscreen to ensure that the toll tag functions immediately when passing through barriers. However, if you decide to remove the holder, you should follow this procedure: - Insert the toll tag into the holder; - Pull the holder inwards to detach it from the windscreen; you can use a glass scraper or a stiff plastic card to assist you; After removing the holder, it is essential to remove the adhesive from the windscreen. To remove the adhesive, we recommend using a solvent-based spray that will remove the glue without clouding the area.

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by ScegliAuto

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