radio security reset?

I just bought a 96 Jetta and the radio is in safemode.  I've heard that you can turn the key in a certain combination and get the code to flash.  Does anyone know this combo?
 
Thanks

this is false. you have to pull radio out and give serial #s to vw dealer to get code

Tepps is correct,   All that radio security code stuff is a real pain
  I went through it and it's just not worth it. I finally removed the
  junk radio with the security crap and bought a real radio at
  Wally world, that stopped all the code stuff  and now all I have
  is my sounds.