Should give the convertible cover should metal

I think the Audi company should make the crown portable car in metal finish metal roof top of convertible metal convertible roof top it will be more safe here everything that metal roof top of the car will be more from accident and any type of accident that will help to prevent the people from t the metal roof tof is safety think where can fix airbag in the route of and when any type of accident occur then there will be open and the Audi company sold add parachutes 4 episodes in four corners of the car for any type of accident that will be help to save the life of the owner