NHTSA Complaint #11612598 — 2024 TESLA MODEL 3

I am writing to express my concern regarding recent design changes implemented by Tesla Motors in their Model 3, Model S, and Model X vehicles. Tesla has removed traditional turn signal and shifting stalks from the steering wheel and replaced them with buttons. While innovation in automotive design is crucial for progress, I believe these changes have significant implications for vehicle safety and warrant thorough investigation. The traditional design of turn signal and shifting stalks has been in place for decades and has become a standardized control method universally understood by drivers. This familiarity contributes greatly to safe driving practices and allows drivers to operate their vehicles instinctively. Tesla's decision to replace these tried-and-true controls with buttons on the steering wheel is a substantial departure from this standard and may impact the muscle memory and reflexes that many drivers rely on in critical moments. Moreover, the ergonomic and cognitive effects of this new control layout have not been publicly detailed by Tesla, raising questions about whether sufficient research and testing were conducted to ensure that these changes do not negatively impact the safe operation of the vehicle. The consequences of such changes, especially in situations that require rapid response, could potentially lead to confusion, delayed reaction times, or even accidents. Given these concerns, I respectfully request that the National Highway Traffic Safety Administration conducts an investigation into the safety implications of these design changes. Such an investigation would determine whether the removal of traditional turn signal and shifting stalks meets the safety standards necessary to prevent accidents and whether adequate testing and validation were performed prior to these changes being implemented.