I once had a strange red button in my ute. I didnt know what it done either so I used to press it just for fun, and it became a habit. It got so every time I got in the car I'd press the button. Turn the car off, and I'd press the button. Sometimes, waiting at the lights I'd press the button over and over again press, press, press. Then one day I got a letter from some bird in Germany saying "for god's sake stop it, I cant take it anymore!!"
What's with that?