The above might all point to the same problem but recently I had a very high pitch alarm like noise constant from the stereo system. Was so bad I had to go back into the house as couldn't stop it. Eventually it stopped but since then i have had problems connection my phone, there are no audible noises for instance when phone connects or press voice control on MFSW. There were faults found realting to this: 00446 on Nav & Radio but don't seem to have come back since clearing. Anyone had this issue?
