I bought one of those flip video cameras a while back and I just keep it in the car for just such an occasion. Take a video of the situation and post it on youtube. Then email Ford the link to it so they know the exact sound and type of problem you are experiencing.
The ESD theory crossed my mind too as a possible cause for some of these random things that happen. It's like temporary electrical interference of some kind is plaguing the electrical modules in this car.
Ingot Silver SEL Sedan w/303A, winter pkg, remote start, Arctic White Interior
If in doubt, pull fuse 67 and 79.