DRS stands for Drag Reduction System and was introduced in the 2011 season of the Formula 1 racing game. It is a device that is controlled by the driver, making it possible for the driver to help and manage the overtaking while driving. It also enhances Formula 1 wheel-to-wheel racing.
The button is easy to access and is extremely helpful in qualifying for the next round or level up but in some specific areas and zones. Moreover, the button works quickly, as soon as the button is pressed the central area of the rear wings opens up, making the car reduce drag and speed up during the race.