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How to Replace the Key Remote Battery on a Volkswagen Polo 9N

Model: Volkswagen Polo MK IV, Polo 4, 9N, MK 4, Polo IV - Years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Key

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Video tutorial

In this video tutorial, you will learn how to disassemble and replace the battery of the key remote on a Volkswagen Polo 9N in simple steps. First, gather a flat screwdriver and start by prying open the slot of the key to remove the top cover and the key itself; then separate the remote into two parts to access the battery and the electronic board, as shown in the video.

At this point, remove and replace the battery with a new one of the correct type (in this case, a CR 2032 3V); then reassemble everything!


Updated on 28 May 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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