Originally Posted by Goodspike
I have a much older pickup which I sometimes drive. It uses a cassette adaptor through a plug in, and doesn't have the problems you describe.
I do wonder if the plug you're using somehow is telling the phone it has a microphone that doesn't exist.
you know, I'll bet you're right!! it's the same audio cable I used with my old Droid Incredible and that didin't have an issue. Wonder if there is a phone setting somewhere that I can adjust/correct this with??