Hi All and thanks for the help, I bought a parking disc at Ebay last week, which rotates itself, with a small clockwork in the back. Now it is the case that I did not worry so much. I park every day for a few hours in a side street of my university itself is always a lot of space, but you can only park there for 3 hours. Normally it is no problem to go there during the break, to turn the parking disc further and Now I thought to myself, I save it and use this parking disc without putting it on a stop. I just looked in the net what could happen to me. I only read something of nevertheless a roll… but also a little gelsen von towt… What do you think of the things, is the risk too big? Are there jemadnen of you, who still uses such a part of the stuff…? Thanks again for the information and a nice Monday! Just discovered this:h ttp://www.motor-talk.de/t144766/s/thread.html nevertheless my question: Does any of you use the thing? Or rather leave your hands off