Electric cars (EVs) achieve recognition as vital contributors in the development of fairer futures through their emission-free performance and easy operation without sounds. Many people are discussing public safety after state-of-the-art vehicles have become more prominent because these advanced vehicles fail to illuminate brake lights when using regenerative slowing systems.
Regenerative Slowing down: A Two sided deal
EVs feature regenerative slowing down which allows drivers to brake while recharging the battery system without needing to touch the brake pedal. Health-related issues may develop due to this particular component. According to recent Buyer Reports, several electric vehicles from Beginning, Hyundai, Kia and Mercedes-Benz fail to illuminate their brake lights during regenerative brake use.
Brake lights must activate when using traditional contact brakes according to Bureaucratic Engine Vehicle Security Standard number 108. The federal regulations do not specify how braking lights should work when the vehicle uses regenerative slowing. Regulatory ambiguity enables vehicles to reduce their speed substantially by keeping brake lights off thus creating dangerous driving situations for other motorists.
Certifiable Perceptions
Shopper Reports saw this safety concern in the 2014 BMW i3 test vehicle which they later verified in further EV models. Light braking up to a stop along with deactivated brake lights would be possible in the 2022 Hyundai Ioniq 5 if the driver applied just slight pressure to the gas pedal. The owners evaluated other Hyundai brand models including GV60 Beginning and GV70 Charged alongside EV6 and Niro EV from Kia. The brake lights in Solid Recovery mode of Mercedes-Benz EVs quit illuminating during low-speed operations and reactivated after any stoppage sequence. Such erratic brake light behavior poses risks for incorrect readings by other motorists on the road.
Car Model Information: 2025 Hyundai IONIQ 5 N Base
Price: $67,965
Exterior color: Atlas
Interior color: Black
Drivetrain: All-wheel Drive
Transmission: 1-Speed Automatic
Engine: Electric
VIN: KM8KNDA88SU007565
Mileage: 111 mi.
Summary: The Hyundai Ioniq 5 is a battery electric compact crossover SUV produced by Hyundai since 2021. It is the first product to be marketed under the electric cars-focused Ioniq sub-brand, and the first model developed on the Hyundai Electric Global Modular Platform (E-GMP).
Get more information about: Hyundai Ioniq 5
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Producers’ Reaction and Updates
After these findings, Hyundai and Kia together with Beginning have executed brake-light logic modifications in their electric vehicle models. The updates have been created for the brake lights to activate when the vehicle decelerates beyond a predefined threshold even if the driver keeps their foot on the gas pedal or releases it completely from both pedals. These free software updates will be implemented across numerous vehicles starting in the middle of this year.
The Requirement for Developing Security Norms
The present situation presents an extensive automotive challenge to industry leaders due to enhanced technological advancements in vehicles. These technological advancements require the safety norms to advance further to keep up due to their current developments.

What EV Drivers Can Do
Safety-conscious EV drivers should grasp the situation to perform manual brake pedal engagement prior to slowing down their vehicles, especially while behind other drivers who might not expect the vehicle to slow down. Doing things ahead of time as a method can help reduce the possible risks in the present brake light regulations.
Electrical transportation systems offer substantial progress to achieve sustainable and environmentally positive transportation methods. The investigation of internal combustion cars to electric vehicles should maintain security as its fundamental priority. The resolution of electric vehicle brake light problems represents one element in long-running discussions about roadway safety enhancements. Manufacturers need to work with regulators and drivers to address these problems while preparing an environmentally sustainable and safe future due to rapid innovation progress.
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