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How to Replace the Key Battery on a Volkswagen Passat

Model: Volkswagen Passat B8, 3G, MK 8 - Years 2014-2023
Part: Key

This brief video guide outlines all the steps necessary to replace the key battery on a Volkswagen Passat, specifically models produced from 2012 to 2018. First, press the key release button to remove the metal key from its housing. Once done, remove the lower back cover of the remote to expose the old battery. Remove the old battery and replace it with a new one, then reassemble the key by following the reverse procedure. The required battery is a CR2032 3V.

Updated on 13 August 2026 by ScegliAuto

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