We have check with driver as well first of all driver wait for you in mall because you cant find parking than guide tooks you for buggy you didn't wait 5 min and than you drive buggy if any problem in that time guide was with you driver was with you can say them or complain and than they give you dune bashing and 20 min photo point. Nuamna guide comes to you two to ask is everthing alright you should tell him if you were facing any problem.
Due to sometime busy only limited cars are allowed in desert so on that time they have to evacuate the camp when finishes. And there is sand board in camp side you should ask the staff because some time other guest they took and left on dunes.