They are flaps on the back, mostly meant for race cars but people like the look of them on their cars. They are designed for high speeds. The air hits the spoiler and pushes down on it, pressing on...
spoilers are the curved surfaces on the back of sports cars. they are designed in such a way that the flow of air past th spoilers at high speed exerts a high pressure on the car downward which helps...
On the 2003 model, there are three 10mm nuts accessible when the hatch is open. The one in the center is under the black plastic plug. Once you remove these three nuts, the spoiler will lift...