U.S. regulators investigate Tesla’s ‘Mad Max’ driver-assistance mode in FSD

Tesla’s ‘Mad Max’ mode

Tesla has reintroduced its controversial “Mad Max” mode in the Full Self-Driving (FSD) system, attracting widespread attention. The profile is billed as more assertive, with reports suggesting higher operating speeds and quicker lane changes than other settings.

While Tesla markets it as a driver-selectable option for more assertive driving, safety experts warn it may encourage risky behavior. The mode is now under scrutiny by U.S. regulators due to public safety concerns.

NHTSA launches an investigation

NHTSA opened a new FSD investigation in October 2025 and has since asked Tesla for information about the newly added ‘Mad Max’ profile, including how it handles speed and lane changes.

The NHTSA is requesting detailed information from Tesla regarding the technology, its functionality, and whether drivers are adequately warned about potential risks associated with it. This investigation highlights the regulatory challenges related to modern driver-assistance technologies.

Reports of traffic violations

NHTSA’s inquiry cites 58 reports of potential FSD traffic-safety violations, including allegations of running red lights and unsafe maneuvers; the agency is now evaluating ‘Mad Max’ within this broader probe.

The agency reports 14 crashes and 23 injuries, including six instances of red-light crashes with FSD engaged. Regulators are carefully analyzing these reports to determine whether the mode itself contributes to dangerous driving.

Previous FSD investigations

Tesla’s FSD system has previously faced regulatory scrutiny. In October 2024, NHTSA opened a probe into about 2.4 million Teslas equipped with FSD after four collisions in low-visibility conditions, including a 2023 fatal crash. 

The current “Mad Max” mode review continues this trend, highlighting ongoing questions about the safety of driver-assistance systems that allow higher-speed, more aggressive maneuvers.

Tesla’s response to scrutiny

Tesla hasn’t issued a formal statement on the latest inquiry; however, it reposted social media content praising ‘Mad Max’ shortly after rollout. The company emphasizes that drivers must remain alert and in control at all times. Tesla continues to insist that FSD is a driver-assistance system, not a fully autonomous technology. 

Despite regulatory scrutiny, Tesla remains committed to developing FSD features that enhance convenience and performance for its customers.

Safety concerns

Safety advocates warn that “Mad Max” mode may encourage dangerous driving habits. Critics argue that enabling higher speeds and assertive lane changes could increase the likelihood of accidents, particularly in urban or high-traffic areas. 

They also stress that public roads are not testing grounds for aggressive autonomous driving. Ensuring that driver-assistance technologies prioritize safety and comply with traffic laws is a central concern for both regulators and consumer safety groups.

NHTSA’s role in vehicle safety regulation

The National Highway Traffic Safety Administration is responsible for regulating vehicle safety and investigating potential risks posed by automotive technologies. NHTSA conducts thorough reviews of new features to ensure they comply with federal safety standards. 

In the case of Tesla’s “Mad Max” mode, the agency is evaluating whether the system encourages unsafe driving or violates traffic laws. This investigation reflects the agency’s broader role in overseeing emerging driver-assistance technologies.

Potential outcomes of the investigation

Depending on the investigation’s findings, NHTSA could take several actions. If “Mad Max” mode is deemed unsafe, Tesla may be required to modify or turn off the feature. In extreme cases, the agency could mandate a recall of affected vehicles. 

The investigation is ongoing, and no final decisions have been announced. However, the review highlights the regulatory oversight that accompanies innovations in autonomous and driver-assistance systems.

Implications for Tesla’s FSD system

The scrutiny of “Mad Max” mode may have broader implications for Tesla’s Full Self-Driving system. If regulators identify safety issues, Tesla could face stricter rules for releasing new updates or features. 

This may slow the rollout of aggressive driving modes or require additional testing. The outcome could also influence how the industry approaches assertive or performance-oriented driver-assistance technologies in consumer vehicles.

Driver-assistance features

Tesla’s driver-assistance modes, including “Mad Max,” have sparked mixed reactions from the public. Some drivers appreciate the enhanced performance and responsiveness, while others are concerned about safety risks and potential traffic violations. 

The NHTSA investigation may further shape public opinion, influencing consumer confidence and trust in Tesla’s autonomous driving capabilities. Public perception plays a crucial role in the adoption of new automotive technologies, particularly those related to higher-speed driving.

Comparison with other automakers

Tesla’s new profile has drawn immediate regulatory scrutiny, which few comparable systems have faced so quickly after release. While several manufacturers offer assertive or sport driving modes, few systems have drawn as much regulatory scrutiny as Tesla’s FSD. This highlights the challenge of striking a balance between innovation and public safety. 

Automakers worldwide are closely watching Tesla’s experience, which may influence future development of driver-assistance features and the regulatory frameworks that govern them.

Autonomous driving regulation

The investigation highlights the increasing complexity of autonomous driving regulations. As driver-assistance technologies advance, regulators must adapt to ensure safety without stifling innovation. 

How NHTSA handles Tesla’s “Mad Max” mode could set precedents for other automakers and technologies. This highlights the importance of establishing clear standards, conducting robust testing, and maintaining transparent communication between manufacturers and regulatory agencies in the rapidly evolving field of autonomous driving.

Impact on Tesla’s market position

Ongoing regulatory scrutiny may affect Tesla’s competitive standing in the automotive market. If “Mad Max” mode faces restrictions or negative publicity, it could influence consumer interest and sales of FSD-equipped vehicles.

At the same time, Tesla’s continued innovation may attract enthusiasts who prioritize performance and technology. 

How the company navigates regulatory challenges will be critical to maintaining its position as a leader in electric and autonomous vehicle markets.

Consumer responsibility when using FSD

The “Mad Max” mode case underscores the importance of driver responsibility. Even with advanced driver-assistance technologies, Tesla emphasizes that drivers must remain attentive and ready to intervene. Misuse or overreliance on autonomous systems can lead to accidents. 

Consumers need to fully understand the capabilities and limitations of these technologies, ensuring that safety remains the top priority while enjoying the convenience and enhanced performance offered by modern FSD systems.

Industry-wide implications for autonomous driving

The investigation could have ripple effects across the automotive industry. Regulators may increase scrutiny of similar aggressive driver-assistance modes from other manufacturers. This could prompt stricter safety standards, additional testing requirements, or even new regulations governing autonomous driving features. 

Tesla’s experience may serve as a benchmark, guiding automakers on how to balance innovation, safety, and consumer experience in the rapidly evolving autonomous vehicle market.

Looking for innovation? Nissan’s new N6 sedan offers an EV-like driving experience while still powered by gas.

Next steps

The NHTSA investigation into Tesla’s “Mad Max” mode remains ongoing. Possible outcomes range from system modifications to broader regulatory interventions. As developments unfold, stakeholders will watch for lessons on safety, innovation, and regulatory oversight. 

The case illustrates the delicate balance between pushing the boundaries of driver-assistance technology and maintaining public safety, signaling a new era in how regulators manage autonomous and semi-autonomous driving systems in the United States.

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This slideshow was made with AI assistance and human editing.