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How to Replace the Key Fob Battery on a Volkswagen Transporter T4

Model: Volkswagen Transporter T4, MK 4 - Years 1990-2003
Part: Key

This brief guide shows how to replace the ignition key battery on a Volkswagen Transporter T4, produced from 1990 to 2003. To open the key, first locate a small slot along its edge. Once found, insert a small flathead screwdriver into the slot and twist it to pry the key open. After doing this, remove the old battery and replace it with a new one. The required battery is the V625U.

Updated on 19 June 2026 by ScegliAuto

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