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How to Replace the Remote Battery in the Volkswagen Passat?

Model: Volkswagen Passat B6, 3C - Years 2005-2010
Part: Key

In this tutorial, you will learn how to replace the remote battery in the Volkswagen Passat, a very simple and quick operation. You will need a replacement CR2032 battery and a small flat-head screwdriver. First, extract the emergency key by pressing the designated side button, then use the screwdriver to pry open the indicated slot and unlock the rear cover. Remove the old battery, insert the replacement while respecting the polarity, and reassemble everything by following the reverse procedure.

Updated on 28 August 2026 by ScegliAuto

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