I didn't look at the video but what you describe sounds like a pesky problem I have experienced before. 
My solution was to delete the global basemap(?) from the device memory. It's an .img file of about 50MB. Solved the problem.
Cheers,
-Jaakko
--
jaakko@helleranta.com * Skype: jhelleranta * Mobile: +509-37-269154  *  http://go.hel.cc/about.me

On Fri, Feb 8, 2013 at 11:36 AM, Fabian S. <mkgmap-dev@salo.mailrange.com> wrote:

we are having a problem with the maps: In some cases, the routing uses streets that don't exist!