This is the part number a recent VAG log shows me from my car.

8E0 907 279 F

I don't have the coming home feature and now think I would like it. I looked to see if by chance the wiring is there already but I could not find it. If I follow the wires from the light switch to where they runs behind the relays, there appears to be something wrapped up inside that cloth tape, because the diameter of the bunch about doubles.. I just can't reach in there to unwrap it so see if it is what I need. It would sure make it easier than running new wires.