We have the built in model with camera and had a lot of trouble with it freezing and having to reset it. While upgrading the software to see if that would help I got a message that my Scandisk card might be part of a recall. I called and they checked the number and it was recalled and they sent me a new one. The guy on the phone said the #1 problem with s bad card is freezing. The new card is in and working but I've only driven around locally.
I like the big display and the options.
Dave