Hi my brother had his battery disconnected fron his van and has to enter the radio code back in but doesn't know the code its made by blaupunkt and the model is IVECO CD24 No.41221017 and on the side are lots of other numbers BP6036 3 5031560 and under that 7607005036 any help with a code would be gratefully appreciated tried 1234 etc but was not even sure which button was enter