Most 20 year old locks can be opened just by looking at them the wrong (or right ) way.
I'm sure the flip keys will work just like a blunt screwdriver.
T
There are 10 kinds of people. those who understand Binary and those who dont
try these instead, you get the reciever as well so you can make the buttons actually do something. i've fitted one of these to my t4, and know a few other folk that have used them too! not genuine vag but they look the part and work well too!
with these you should be able to get them supplied with the correct blanks too so you won't have to go modifying your van!