Every time you use your car, it is subjected to the harshness of the environment. In fact, even if you don’t use your car, it will still accumulate dust and dirt that can definitely affect your car in a negative way. Bird droppings, tar and other contaminants can ruin the paint job of your car too and you also need to consider the heat of the sun, rain, and other factors which can affect the exterior as well as the interior of the car.