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How to Replace the Key Battery in a Volkswagen Passat B6

Model: Volkswagen Passat B6, 3C - Years: 2005, 2006, 2007, 2008, 2009, 2010
Part: Key

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Video tutorial

If the battery in your Volkswagen Passat B6 key is completely dead and you need to replace it, this guide is just what you need. Let’s go through the required steps.

First, pull out the emergency key and remove the top part of the metal cover. Once done, using the same key or a flat screwdriver, open the cover and locate the battery.

Finally, replace it with a new compatible model and correctly reassemble the cover, ensuring you reinsert the physical key inside.


Updated on 13 July 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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