Please help! Im after the radio pin code for our 1996 Renault Laguna. The numbers above the barcode on top of the radio/stereo unit reads - 7700844459 N904 then below the barcode reads - 77 00 84 459 Ind B FD 9625 7 644 495 091 BP 4495T3500952 Made In Germany The unit is a Blaupunkt RDS ...Hope someone can help.