2430 Battery you need – https://ebay.us/t01bCp
Here is a quick little demonstration on how to change the 2430 battery in your VW remote heater. This is a fairly straight forward process and doesn’t require any tools. A small screwdriver can be used to help get the battery out but it isn’t necessary. Hope you found this video helpful!
VW Fernbedienung zum Parken von Heizung WEBASTO REMOTE Touareg 2 7E0963511C
VW T90 Telestart Eberspächer Auxiliary heating remote control
Original VW Eberspächer T90 Telestart Auxiliary heating remote control
Part Number: 7E0 963 511 B
VW Touareg 7P from model year 2011
VW Transporter from model year 2012
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2430 Battery you need – https://ebay.us/t01bCp