Has anyone had the problem of the radio not working / not turning its self on when you start the car ? In the last few weeks this has happened, but not all the time. The screen remains blank and pressing the buttons doesn't work. I drive to work then after a minute or so it decides to come back to life and restore itself. Taking it to the dealer I'm sure it would work 100% so I think it would be a waste of time. Any ideas ? Anyone else had this problem ?