got into the disco this morning and the radio did not come on as it usually does, then the stat nav fed from the cigar lifter socket was not operating, second position on ignition key panel lights up and starts just fine, try to clear the screen but the wipers will not operate nor will the washers. tried all the fuses but the relay R8 is stuck in the engine fuse box. this relay has a book in the diagram on the fuses box lid but I can't find the appropriate diagram or reference, could the fault be this relay or is it the BCU??? not having a diagnostic reader I struggling in deep deep voodoo, any help please anybody. thanks