Originally Posted by Eric Le Baron

Djen dobre.
Will have a look at that thread, thanks.
Read the Webasto T70 user manual where a simple procedure was explained how to change the remote's function.
As there is only 1 wire out of the receiver which changes from 0V to 12V when switching on the Webasto I can imagine that a reprogramming in the car would be required indeed.
Dziekuje!