- Domain
- Aerodynamics
- Era
- Hybrid era, 2014 generation
A driver-operated rear-wing flap that opened in designated zones to cut drag and aid overtaking, allowed only when within one second of the car ahead. It was replaced by movable Active Aero for 2026.
More in Aerodynamics
“Box, box” on the radio simply means pit. It is also where this archive takes its name.