I just had to have a new battery in my Ford escort and I am trying to get the 2015 radio to work again.

When the old battery it displayed the word CODE with four dashes underneath, I think flashing. I thought I had remembered the code and entered it in a couple times, and it did not work.

Now I have a new battery and the right code, but there is no flashing and pressing numbers gets no response.

Have I locked it?
I thought you got 10 attempts?
Is there anything I can do to unlock it and reach the point where I can enter the code?

Any help would be greatly appreciated