Achimea, I hope you speak German, 'cause the website owners seem to have a bit of trouble with English. I have never seen such a badly translated site.
On the front page of the battery box is a bone-assurance, the pull-out by making the SchleppMAXXE tension. This is the SchleppMAXXE short circuit protected (rodents).
With the tow bar can also be car-trailer hauling and rank, such as trailer when parking in tight campgrounds or boat trailer when the urinating boats.
I'm sure it must've made sense in German before somebody (Google?) did the translation.