The screens in many Chinese headdevices for KIA Sorento II are well resolution but faded. The sun won't show much in the sun. There is no alternative to the normal head device.
Chinese headgear row buttons are reset periodically.
There are some problems with the Navel navigation system because of the windows ce 6.0. Auto-version is written specifically to a specific port. Thus, if the port is not the same as the Navel-navigation will not work. Only version 3.2.1 works without problems, but it is already out of date.