Here you can see how to change the battery (type CR2032) of the remote control (fob) of an VW Volkswagen Passat 3C. This must also work on other VW .
How to replace the battery of the carkey from your volkswagen (passat 2005-2010) remote fob Follow me on Twitter: clave .
Here you can see how to change the battery of the remote control (fob) of an Audi A4 (B8 type 8K). This must also work on other models like A1, A2, A3, A5, A6, .
Here you can see how to change the battery of the remote control (fob) of a Suzuki Vitara or Suzuki Jimny. This must also work similar on other models of Suzuki.