My Ford Focus 2010 radio won't work. I Replaced the battery with a new one and now it's locked?

I don't have the manual and all it says on it now is "Ford Focus". It doesn't even show the time. No matter what I press, it just stays on "Ford Focus".

Every time power to the radio is cycled, it requires a code.

The radio has a theft deterrent that makes the radio inoperative when it is removed from its power source (like when you disconnected the battery). You have to take the car to the dealer and they should be able to unlock it