Depends on size of tent, small piece of cloth or kitchen roll handful of toilet tissue, or tip tent on side, let it air dry. If windy keep it secure so it will not become a kite. Usually dries before you finish packing car. If you do use a footprint dry the same as for drying tent out.
------------- Yesterday is already a dream and tomorrow is only a vision, but today well lived makes every yesterday a dream of happiness and every tomorrow a vision of hope.