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How to Replace the Key Battery in a Volkswagen Passat B8

Model: Volkswagen Passat B7 - Years 2010-2014
Part: Key

In this guide, you will see the steps to replace the remote key battery in a Volkswagen Passat B8. The process is very simple and requires no special tools. First, pull out the metal key by pressing the release button, then insert a small flathead screwdriver into the designated slot and gently twist it to detach the battery cover. At this point, you can remove the old battery and insert a new one with the code CR2032. Remember to position it with the correct polarity. Reattach the cover and finally reinsert the metal key.

Updated on 17 April 2026 by ScegliAuto

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