Remove rook racks: If you have roofracks installed on your car, remove them.
移除行李架：要是你车里装了行李架，搬走吧。
2
Roofracks increase the car's weight and reduce aerodynamic efficiency, which increases the amount of fuel burnt to power the car.
行李架增加车子的重量，降低空气动力学功效，那会增加车辆燃烧的燃料量。
3
After Body appearance, except if the rear wing, surrounded by favour, including the roofracks, skylights, parking sensor, decorative lighting distance, lighting, mirrors.