Technical10 min read

From DRS to Manual Override Mode: F1's 2026 Overtaking Revolution

Complete guide to DRS (2011-2025) and its 2026 replacement: Manual Override Mode. Learn how active aerodynamics and driver-controlled power modes will transform F1 overtaking strategy.

For 15 years, the Drag Reduction System (DRS) has been Formula 1's primary overtaking aid-a rear wing flap that opens on straights to reduce drag and increase speed. But in 2026, DRS will be consigned to history, replaced by a fundamentally different system called Manual Override Mode (MOM). Combined with revolutionary active aerodynamics, this change represents the biggest shift in F1 overtaking strategy since DRS was introduced in 2011.

What Is DRS? The Era of Active Rear Wings (2011-2025)

The Drag Reduction System was introduced in 2011 to combat the overtaking crisis caused by aerodynamic wake turbulence. When cars followed closely behind one another, the lead car's turbulent air disrupted the following car's downforce, making overtaking nearly impossible on most circuits.

How DRS Works

DRS is elegantly simple in concept but strategic in execution:

  • Activation Zones: Each circuit has 1-3 designated DRS zones, typically on long straights before heavy braking zones
  • One-Second Rule: Drivers can only activate DRS if they are within 1 second of the car ahead at the detection point (usually 200-400 meters before the DRS zone)
  • Rear Wing Adjustment: A hydraulic actuator opens a slot in the rear wing's top element by 10-50mm, reducing drag by approximately 10-15%
  • Speed Increase: This typically provides 10-20 km/h additional top speed, depending on circuit and conditions
  • Manual Control: The driver presses a steering wheel button to activate DRS; it automatically closes when they brake or manually deactivate it

DRS Restrictions:

  • Not available on first two laps after race start or safety car restart
  • Automatically disabled in wet conditions (intermediate/wet tire declaration)
  • Only available in designated zones, not anywhere on track
  • Detection points located before activation zones create strategic timing

DRS Strategic Implications

Over 15 years, DRS created distinctive strategic patterns:

The DRS Train: Multiple cars within 1 second of each other would all have DRS available, creating chains where overtaking required significant pace advantage beyond just the DRS benefit. Mid-pack battles often saw 5-8 cars using DRS simultaneously.

DRS Zone Calibration: FIA adjusted DRS zone lengths throughout weekends. Too powerful, and overtakes became trivial "highway passes." Too weak, and cars couldn't get alongside even with DRS. Finding the balance required extensive data analysis.

Defense vs. Attack: Leading drivers often managed gaps carefully, keeping pursuers 1.2-1.5 seconds behind-close enough to maintain pressure but outside DRS activation range. This created the "DRS window" strategic concept.

Lap Time Gains: DRS typically saved 0.3-0.5 seconds per activation. On circuits with multiple DRS zones (like Bahrain or Shanghai), total lap time benefit reached 0.8-1.2 seconds-enough to overcome significant pace deficits.

The DRS Debate: Success or Compromise?

DRS has remained controversial throughout its existence:

Arguments For DRS:

  • Significantly increased overtaking frequency (200+ overtakes per season vs. 50-80 pre-DRS)
  • Created strategic tire management opportunities (DRS allowing recovery after pit stops)
  • Compensated for dirty air effects that regulations couldn't fully solve
  • Simple to understand for new fans, clear strategic element

Arguments Against DRS:

  • Created "artificial" overtaking that felt less earned than pure racing craft
  • Occasionally made overtakes too easy, reducing defensive driving skill importance
  • Asymmetric advantage (leading car doesn't have DRS) felt unfair to purists
  • Failed to solve root aerodynamic problems, merely band-aided symptoms

Despite criticism, DRS achieved its primary goal: making F1 races less processional. However, the 2026 regulations present an opportunity to address overtaking through fundamental aerodynamic philosophy rather than artificial aids.

2026 Active Aerodynamics: The Foundation for Change

To understand Manual Override Mode, we must first grasp the revolutionary active aerodynamics system arriving in 2026. Unlike DRS (which only adjusted the rear wing), 2026 cars will feature active front and rear wing elements that automatically adapt to track conditions.

X-Mode: Low-Drag Configuration

When Active: Straights and high-speed sections where maximum velocity matters more than cornering grip.

Aerodynamic Changes:

  • Front wing flattens to reduce angle of attack
  • Rear wing adjusts to minimize drag (similar to DRS but more sophisticated)
  • Total drag reduction: approximately 55% compared to current regulations
  • Downforce reduction: approximately 30% (still provides stability, unlike DRS's near-complete rear downforce loss)

Performance Impact: X-Mode enables higher top speeds with less power unit energy consumption-critical given 2026's 50/50 hybrid power split and energy management challenges.

Z-Mode: High-Downforce Configuration

When Active: Corners and braking zones where mechanical grip and aerodynamic downforce are essential.

Aerodynamic Changes:

  • Front wing increases angle of attack for maximum front downforce
  • Rear wing adjusts to steeper angle for maximum rear downforce
  • Total downforce optimized for corner speed and stability

Performance Impact: Z-Mode maximizes cornering speeds and reduces lap times through technical sections. Unlike current fixed-wing cars, 2026 machines will optimize aerodynamics in real-time.

Automatic Mode Switching

The system automatically transitions between X-Mode and Z-Mode based on:

  • Vehicle Speed: Threshold values (likely 250-270 km/h) trigger mode changes
  • Throttle Position: Full throttle on straights favors X-Mode; partial throttle in corners activates Z-Mode
  • Steering Angle: Turning inputs signal corner entry, triggering Z-Mode
  • GPS/Track Mapping: Pre-programmed track data optimizes mode changes for specific circuits

Critically, drivers do not manually control X-Mode/Z-Mode switching during normal racing. The system operates automatically, allowing drivers to focus on racing rather than aerodynamic management.

Manual Override Mode (MOM): DRS's 2026 Replacement

Manual Override Mode represents a paradigm shift in F1 overtaking philosophy. Rather than providing an aerodynamic advantage, MOM leverages the 2026 hybrid power unit's massive electrical output to create overtaking opportunities.

How Manual Override Mode Works

Power Unit Boost: MOM allows the driver to temporarily access additional electrical energy from the battery (Energy Store) beyond normal deployment limits. The MGU-K (Motor Generator Unit - Kinetic) can deploy up to 350kW (469 horsepower) in 2026, compared to 120kW (161 hp) in current regulations.

Activation Conditions:

  • Available when within 1 second of the car ahead (same as DRS detection logic)
  • Can be used anywhere on the circuit, not just designated zones
  • Limited by available battery energy (ES capacity still being finalized)
  • Likely time-limited per lap or per overtaking attempt to prevent abuse

Strategic Deployment: Unlike DRS's automatic straight-line advantage, MOM requires drivers to choose when and where to deploy extra power. This introduces strategic decision-making:

  • Use MOM to accelerate out of slow corners onto straights?
  • Deploy on corner exit where leading car is traction-limited?
  • Save energy for multiple smaller boosts vs. one large attack?
  • Consider battery state-of-charge for race-long energy management?

MOM vs. DRS: Key Philosophical Differences

  • Location Flexibility: MOM works anywhere on track, not just pre-defined zones
  • Driver Control: MOM requires strategic timing decisions, not automatic activation on straights
  • Power vs. Aero: MOM uses hybrid power, DRS reduced drag-different performance characteristics
  • Energy Management: MOM depletes finite battery energy, creating race-long strategic implications
  • Defensive Capability: Leading drivers can potentially use MOM defensively (details still being finalized)

Why Manual Override Mode?

The FIA's decision to replace DRS with MOM reflects several strategic objectives:

1. Sustainability Alignment: MOM showcases hybrid technology's performance benefits, aligning with F1's sustainability messaging. Demonstrating that electric power enables overtaking (not just reduces emissions) reinforces relevance to road car development.

2. Driver Skill Emphasis: MOM requires judgment about when/where to deploy limited energy resources. Unlike DRS's binary "press button on straight" simplicity, MOM rewards strategic thinking and energy management-skills more relevant to professional racing.

3. Reduced Aerodynamic Dependency: The 2026 regulations dramatically reduce overall downforce (30% reduction) to minimize dirty air effects. With cleaner air allowing closer following, the need for asymmetric aerodynamic aids diminishes. MOM provides overtaking assistance without perpetuating aerodynamic band-aids.

4. Overtaking Variety: DRS limited overtakes to long straights after DRS zones. MOM enables overtaking attempts anywhere-corner exits, mid-speed sections, unconventional locations. This increases strategic variety and rewards circuit knowledge.

5. Race-Long Strategy: DRS had no cumulative effect-using it lap 10 didn't affect lap 50. MOM's energy limitations create race-long trade-offs: aggressive early overtaking depletes energy needed for later defense or attacks. This integrates overtaking into broader race strategy rather than treating it as an isolated mechanic.

Strategic Implications: How Racing Changes in 2026

Energy Management Becomes Critical

Current F1 already features energy management (MGU-K deployment, fuel saving), but 2026 amplifies this exponentially. With 50/50 hybrid power (half combustion engine, half electric motor) and Manual Override Mode consuming finite battery energy, every deployment decision matters.

Strategic Questions Drivers Face:

  • Deploy MOM aggressively early to gain track position, or conserve for late-race attacks?
  • Use MOM on offense (overtaking) or defense (preventing being overtaken)?
  • Balance MOM deployment with standard hybrid energy recovery (harvesting under braking)
  • Account for circuit characteristics (power-sensitive tracks reward MOM; downforce tracks less so)

Teams with superior energy management algorithms and driver coaching will gain significant advantages. Unlike DRS (universally available to all within detection range), MOM rewards preparation and strategic depth.

Overtaking Location Diversification

DRS created predictable overtaking locations-Turn 1 at Bahrain, Kemmel Straight at Spa, back straight at Shanghai. Fans and drivers knew exactly where passes would occur.

MOM removes this predictability. Overtakes could happen:

  • Corner Exits: Using MOM to gain traction-limited acceleration out of slow hairpins
  • Mid-Speed Sections: Deploying extra power through flowing corners like Maggots-Becketts (Silverstone)
  • Unconventional Zones: Attacking where leading drivers don't expect, creating surprise elements
  • Defensive Deployment: Leading drivers using MOM to extend gaps and prevent detection-point triggers

This unpredictability could make racing more exciting-fans won't know exactly when overtakes will happen, and drivers must defend everywhere, not just before DRS zones.

Tire Strategy Integration

DRS and tire strategy existed semi-independently: drivers on fresher tires used DRS to overtake those on older rubber. MOM deepens this relationship.

Tire-Energy Synergies:

  • Fresh tires + MOM = maximum overtaking potential (better traction to apply power, plus electrical boost)
  • Degraded tires + MOM = potential wheelspin risks (too much power, insufficient mechanical grip)
  • Undercut strategy enhanced: drivers exiting pits with fresh tires AND full energy stores become extremely dangerous

This creates richer strategic decision trees: teams must coordinate pit timing with energy management, considering both tire and battery state-of-charge when planning overtakes.

Qualifying Implications

While MOM primarily targets race overtaking, it may also affect qualifying:

  • Energy Deployment: Drivers might use maximum electrical deployment for single qualifying laps, creating power advantages not available during races (where energy must last 50-70 laps)
  • Strategic Qualifying: Teams may sacrifice ultimate qualifying pace to save energy for race starts, inverting current quali-focused approaches
  • Track Evolution: As active aero optimizes for each circuit, qualifying performance gaps might widen or narrow depending on how well cars adapt to specific layouts

Potential Challenges and Unknowns

While Manual Override Mode offers exciting possibilities, several concerns and uncertainties remain:

1. Will MOM Be Powerful Enough?

DRS provided 10-20 km/h speed advantages and 0.3-0.5 second lap time gains. If MOM's electrical boost proves insufficient to overcome 2026's reduced drag and increased following capability, overtaking might still be difficult despite the new system.

The FIA faces calibration challenges similar to DRS zone tuning: too powerful, and overtakes become trivial; too weak, and racing remains processional.

2. Energy Store Capacity Limitations

If MOM drains battery energy too quickly, drivers may only have 2-3 overtaking attempts per race before depleting reserves. This could create conservative racing where drivers hoard energy rather than attack aggressively.

Conversely, if energy stores are too large, MOM becomes functionally unlimited, reducing strategic depth.

3. Complexity for Fans

DRS was visually obvious (rear wing opens, car goes faster) and easy to understand. MOM's energy management complexity might confuse casual viewers:

  • "Why didn't the driver use MOM there?"
  • "How much energy do they have left?"
  • "Is MOM currently active or just standard hybrid deployment?"

F1's broadcast graphics will need substantial upgrades to communicate MOM status, energy levels, and strategic implications in real-time.

4. Defensive Use Uncertainties

Regulations haven't fully clarified whether leading drivers can use MOM defensively. If both attacker and defender have MOM available, does this neutralize the overtaking advantage? Or does the regulations prohibit leading drivers from using MOM, maintaining the asymmetric advantage DRS provided?

This detail fundamentally changes MOM's strategic nature.

Conclusion: Evolution Beyond DRS

The transition from DRS to Manual Override Mode marks a philosophical evolution in Formula 1's approach to racing. DRS was a reactive solution to aerodynamic problems the sport struggled to solve fundamentally-a band-aid that worked but felt artificial.

Manual Override Mode, integrated with active aerodynamics and hybrid power emphasis, addresses overtaking through technological showcase rather than aerodynamic asymmetry. It rewards driver skill (energy management, strategic deployment timing), integrates with race-long strategy (tire changes, fuel/energy conservation), and aligns with F1's sustainability goals by highlighting hybrid performance benefits.

Whether MOM succeeds depends on execution details still being finalized: energy store capacity, deployment limits, defensive usage rules, and power output calibration. Get these right, and 2026 could deliver more authentic racing with strategic depth exceeding the DRS era. Get them wrong, and F1 risks creating an overly complex system that confuses fans without improving spectacle.

One certainty remains: the DRS era (2011-2025) will be remembered as a transformative period that rescued F1 from processional racing. Manual Override Mode now has the opportunity to build on that foundation while delivering racing that feels less artificial and more aligned with F1's technological future.

The 2026 season will reveal whether this gamble pays off-and whether fans embrace a new era of electrically-powered overtaking in the world's fastest motorsport.