I have a 2012 3.0 v6. I was driving it yesterday and the radio stopped working. I couldnt use the power button or any other buttons for that matter. It wouldnt turn on, let me connect my phone, nothing. It didnt show the time either. It just had the compass and said ford fusion on the display. Then i went to start my car this morning and it wouldnt do anything. I checked the battery and it was dead. So i figured maybe the radio had stayed on all night since it had screwed up and drained the battery. So I tried to jump it off and I got power to everything in the car like normal but when I tried to start it, it wouldnt do anything. I have tried 2 jump boxes and a set of cables so I know this is not the problem. The battery was dead, it only had 3.6 volts so something was drawing from it overnight and killed it. I did notice that the user manual has a spot for a RADIO CRANK SENSE CIRCUIT fuse. I have no idea what this is but if the start system is tied into the radio maybe this is the problem. Anyone have any suggestions? Anyone know anything about the RADIO CRANK SENSE CIRCUIT fuse? Any suggestions help as I am lost. Thanks.