Right....tested it with another Iphone, still getting the noises.
However, it doesn't do it when the car is running, so for me there's some kinda electrical feedback once I've started up my car thats affecting the output.
Still none the wiser really as to what the root cause is, but at least it means my phone isn't buggered.
Pootle. Any member of the forum live close to you that you swap adaptors with to test wether it's your adaptor thats potentially faulty?
Or just swap adaptors with

Has noone else come across this, even if it's in a different car and not the A500? Might try Fiat tomorrow to see if there's been any others exchanged due this issue. Not appy
