In China the seat belts in Taxi's are so dirty, if they have them at all (most are removed), that if you put the belt on, your clothes will be filthy when you

In China the seat belts in Taxi's are so dirty, if they have them at all (most are removed), that if you put the belt on, your clothes will be filthy when you get out. That is because the seat belts are never used. So it is your safety or or cleanliness and appearance -- even I am reluctant to cover myself with filth for a short trip.