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How to Replace the Remote Battery on a Volkswagen Passat?

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

Replacing the remote battery on a Volkswagen Passat, as shown in this tutorial, is an extremely simple and quick operation. You will need a replacement CR2032 battery and possibly a small flat-head screwdriver. First, extend the emergency metal key by pressing the appropriate button, then lever along the newly exposed slot to unlock the rear cover. Once fully opened, remove the old battery, insert the new one in the correct orientation, and reassemble everything.

Updated on 17 August 2026 by ScegliAuto

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Over time, frequent use of the key's flip mechanism in the vehicle, dozens of times a day, inevitably leads to wear of the internal spring. As shown in this video, replacing the spring is quite simple and takes little time. After opening the casing halfway, first position the key, then the spring housing, and finally insert the spring into the previously mentioned housing. Close the casing by rotating it clockwise, ensuring all components fit perfectly, and test the key's flip mechanism.

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by ScegliAuto

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