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How to Change the Key Battery on a Volkswagen Passat

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

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Video tutorial

How to change the battery or replace the buttons on the remote key of a Volkswagen Passat? Let's see in this detailed video how to do it. Take your remote and slide the button to release the metal key. Once extracted, use a screwdriver to pry open the key cover until the two pieces separate.

Remove the battery holder, replace the worn battery (replace the buttons if damaged) with a new one of the same size and voltage.

Reassemble the cover with the buttons by pressing on the remote key until you hear the locking click. Finally, insert the metal key back into the remote.

Check the remote's proper functioning.


Updated on 28 February 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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