My dad got AUDI A6 2.6 SE 1995, his car got some problem with checking system, there have a small electronic screen on the front of drivers which are checking everything is ok before you start drive. Now the screen is not show any thing after he start engin, wot is wrong with that small electronic checking screen, is any body knows, wot is that parts name, where can i get it and how can i fix it. Please Please help me on this! thax