Overtake Mode & Active Aero - Explaining F1's Updated Regulatory Terminology

Conceptual image of a future Formula 1 car

The vehicles for the 2026 season are expected to be more compact, agile and eco-conscious relative to present-day cars.

The world of Formula 1 has unveiled the simplified terminology that will be used to describe the intricate details of its revolutionary 2026 regulations.

The sport is embarking on what is potentially the most significant rules overhaul in its illustrious history for the 2026 campaign, featuring new chassis and engine rules and the required adoption of 100% sustainable fuels.

The revised engines, which maintain the 1.6-litre V6 turbo hybrid, boast a greatly enhanced electrical capacity, necessitating key advancements in the cars' aerodynamics.

Over a race distance, competitors will carefully oversee battery power – sometimes even qualifying laps – to achieve the peak result.

Extensive fan consultation were conducted with a mix of viewers, including dedicated enthusiasts and casual observers, to identify which terminology would make things clearer of the main elements of the 2026 changes.

The stated goal was to present a range of advanced technical aspects of the competition as easy to grasp as possible for the broadest viewership.

Consequently, previous placeholder terms for specific components – such as "modes labelled X and Z" for the moveable wings – have been phased out in favor of straightforward terms that succinctly convey the actual function of the technology.

Key Technical Innovations

The FIA states that racers will have greater control to make decisions regarding battery management, energy recovery, and saving energy.

The 2026 rules introduce a set of functions that will be clearly indicated on television graphics to enhance the viewers' comprehension of the strategic duel.

  • Overtake Mode: This replaces the existing Drag Reduction System. It provides a short boost of battery power accessible when a driver is close behind the vehicle in front to execute an overtake.
  • Boost Mode: This is a on-demand energy deployment from the energy recovery system that can be deployed for offensive or defensive moves. It grants the driver peak output at the push of a button.

Both of these key functions will have to be managed carefully, as the available electrical charge is strictly limited.

  • Adjustable Aero: Both the front and rear wings adjust their angles – spreading on the straights for low aerodynamic resistance and top speed, and sealing in the turns for maximum downforce.
  • Recharge: The system can harvest energy with power recovered from braking, or during throttle lift at the straight's end or in certain corners where only partial power is required.

2026 Car Specifications

The 2026 cars will be reduced in size and weight than this year, with a car length shortened by 200mm to 3,400mm, car width narrowed by 100mm – down to 1,900mm – and the lowest permissible weight reduced by 30kg.

Overall downforce is expected to drop by approximately 15-30%, although squads will inevitably claw this back as they develop their cars.

Aerodynamic drag has been reduced by 40%. The vehicles will utilize moveable wing elements – both wings will open on the straight sections to reduce drag and enhance velocity and revert into place for optimal grip in corners.

Tyres will continue to use the current rim size, but the actual tyres will be narrower, by a quarter-centimetre on the front and 30mm at the rear.

Power Unit Revolution

The 2026 engines will have an roughly half-and-half distribution in horsepower generated by the internal combustion engine and the ERS, increasing from about 20% electrical in the current formula.

The hybrid system is made less complex through the deletion of the complex turbo energy recovery device, the intricate and expensive component that harvested power from the exhaust turbo.

Cars will be required to run on 100% sustainable fuel, manufactured from organic sources or synthetic industrial processes.

Shannon Smith
Shannon Smith

Elara Vance is a tech writer and innovation strategist passionate about exploring disruptive ideas and future trends.