Originally Posted by slybarman
I called my dealer's service department to see about getting the A4 card and they said the only way to get it was to call a number that was supposed to be on a paper in my glove box for the nav company. I didn't find anything but the case the A3 card came in. I went to the navigation.com/ford website and it said I had the most up-to-date card already, which obviously I do not.
Did you give them the TSB number and have the update done? An A4 card probably will not work in previous MFT editions the same way an A3 card will not work in 3.5.1.