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How to Replace the Key Battery on the Volkswagen Passat

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

If the button cell inside your Volkswagen Passat's smart key is completely dead and you want to know how to replace it, just follow these instructions. First, locate and press the small metal button at the top of the cover. Pull out the physical key and then remove the lower part of the cover by applying enough force with your hand. At this point, simply remove the old button cell and replace it with a new compatible one. Finally, reassemble the cover and reinsert the physical key into its original position.

Updated on 10 May 2026 by ScegliAuto

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