I had to replace the battery in a 2004 Ford Focus. After the battery was replaced, the radio would not work. I called a local Ford dealership and was informed that the radio had to reset at a dealership by their computer at a cost of $42.50. This is because of the way the vehicle was designed. I believe this a scam perpetrated upon consumers by Ford Motor Company to force us to only buy Ford products from those authorized by Ford. read full review »