http://www.golfgtiforum.co.uk/index.php?topic=111526.0
http://www.golfgtiforum.co.uk/index.php?topic=77197.0
thanks for that
this is what i managed to google up:
The chip is in the remote part of your key, not the blade.
To program the remote functions on a new key, get in your car with the car off and the driver side window rolled down.
insert the new key into the ignition
insert your vallet key in the driver side door lock (outside the car)
turn the vallet key towards lock and hold it there
while it is held towards lock, press the unlock button on your new remote for
2 seconds.
let go
press it again for 2 seconds
let go and you should hear an alarm honk or something like that.
This is from memory so it may not be right. I would recommend searching archives.