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Ignition key - adapt to immobilizer > < Immobilizer reader coilD2 - remove and install

Polo Mk4

Ignition key - variable code transponder
Ignition key - variable code transponder
It is not possible to replace the transponder (response-reading file) in the ignition key.
The ignition key must be replaced if the transponder is defective.
  Note
In case of replacing an ignition key or if an additional key is necessary, always adapt the new ignition key to the immobilizer → Chapter.
   

Ignition key - adapt to immobilizer > < Immobilizer reader coilD2 - remove and install