Hello, I'm not quite sure on how to explain this but here it goes....i have a 2010 mustang with sync radio. When I'm driving no matter if I manually set a radio station or if it is a preset radio station, if I am on bumpy road, the stations wander up and down. If I bump my hand anywhere near the stereo and stick shift console or the stick shift the radio stations move. Also when a passanger is trying to use the menu options while the car is moving, they are unable to select an option due to the selections moving back and forth. Please help..... sorry if there is a string like this already, but I did not see it.