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How to Replace the Key Battery on a Volkswagen Passat

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

See other generations:
Video tutorial

To open your car key, you need to remove the metal key inside. Press the button on the top of the narrow side to extract the key. Once removed, push the top part of the key outward to lift it off. Now, use a screwdriver to separate the two sides and access the battery and the back of the control circuit.

To reassemble the components correctly, simply retrace the steps in reverse, and you're done!


Updated on 24 February 2026 by ScegliAuto


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    Frequently Asked Questions

    • Passat 2010-2014 - What to do if the Passat key does not open the car? Read answer

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.

Watch the video!


by ScegliAuto

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