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

Model: Volkswagen Polo MK IV, Polo IV, Polo 4, MK 4, 9N - Years 2001-2009
Part: Key

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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How to Replace the Cabin Filter on the Opel Grandland X

If you own an Opel Grandland X and want to know the steps to replace the cabin air filter, carefully read the following guide and follow the described steps. First, enter the vehicle and go to the passenger side. Then, locate the box containing the air filter in the lower side area of the dashboard. Remove the cover of the box and finally replace the old filter with the new one. Refit the cover, and you are done.

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