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How to Replace the Key Battery on the Volkswagen Passat

Model: Volkswagen Passat B7 - Years: 2010, 2011, 2012, 2013, 2014
Part: Key

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Video tutorial

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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How to open the bonnet on a Volkswagen Golf?

In this tutorial, you will see how to open the bonnet on a Volkswagen Golf MK4. This is a very simple operation that follows the standard procedure. First, open the driver's door, then locate the lever in the lower left area and pull it. Next, move to the front of the vehicle, lift the bonnet slightly, and find the second lever located just above the Volkswagen logo. At this point, simply pull it towards you, fully open the bonnet, and secure it with the prop rod. To close it, gently push it down.

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by ScegliAuto

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