What is DRS in F1, how does it work and is it automatic?

The Drag Reduction System (DRS) is a controversial driver-controlled device aimed at aiding overtaking and increasing the chances of wheel-to-wheel racing in Formula 1.
The system, which involves the driver opening a flap in their rear wing to reduce drag levels and gain top speed when running within a second of a car in front, was introduced back in 2011. It remains in use with the new rules …Keep reading