Is 250 (2007) Navigation Is Not Working: A Programm Cannot Be Read...

[easycaro]

Hi!

After browsing the net for hours and not finding a solution, I'm hoping someone here can help:

I have a IS 250 (built 2007) and the navigation system stopped working. The navigation was already "repaired" once by the Lexus dealer where I bought the car, however it stopped working again. I tried to have them fix it again, but they want to charge me 1,500€ for it - what the hell?

The message showing is:

(in English and Japanese): A program cannot be read. Please contact to a dealer.

What we tried:

Removing the clock panel and trying to eject the old disc, since the system only shows the message, we tried the "corner tapping"-approach suggested in various forums, but no disc appeared. So we just tried inserting all of the different discs that we got (Eastern Europe, Central Europe etc.) but the system just keeps ejecting them.

Any suggestions? How can we reset the system/unplug the navigation?

Thanks