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How to Replace the Remote Battery on a 2002 Volkswagen Passat?

Model: Volkswagen Passat 3BG, B5 - Years 1996-2005
Part: Key

Replacing the remote battery on a 2002 Volkswagen Passat is a straightforward procedure that anyone can do in a short time. The first step is to separate the two interlocking halves of the remote. One half contains the physical key, while the other houses the electronic remote microchip. Next, use a screwdriver to open this second piece to access the area where the battery is located, which simply needs to be replaced with a new one. The final step is to reassemble the various components. This remote uses a single lithium button battery that can be purchased for a few pounds.

Updated on 8 June 2026 by ScegliAuto

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