I am not sure why Volkswagen has altered the behavior of the Coming Home function but on recent B6 and all B7 Passats it works differently.

Previously the Coming Home function was activated automatically either when taking out the ignition key or when leaving the car (depending on coding).

In newer B6 and all B7 models you need pull the high beam stalk towards you before leaving the car which is annoying and looks very silly.

So how can we restore the old behavior?

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On a friend’s car, a Passat B7 (3AA) the seat heaters didn’t work. So I connected to the car with VCDS to see if we could troubleshoot this.

I opened Control Module 9, Central Electronics:

Then went to 7 Long Coding, and it turned out that the Seat Heating was not properly coded.

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