hi clened my Q3 yesterday and decided to take out the rear cover so i could clean the inside of window,the way it all fastens together looks like a child designed it i dont see the fixings lasting long as they look very feeble,when youpay all this money for a car and its a audi i would expect a premium product but the rear shelf and fastenings look like a rushed after thought ,has any one else gotany thoughts on this ?????