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Comment by MerelyMortal | Hacker News Reader

It's extremely distracting while driving, and if more cars adopt that, then everyone will be worse off. I wish they were illegal (and I wonder if they technically are, because flashing means that for a brief second the light is off while the pedal is being pressed, and I have to imagine the law is written that the brake light must be lit when the brake pedal is pressed).

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Flashing red lights are generally illegal and reserved for emergency vehicles. Pulse skirts this by claiming it's not a flashing light, but a pulsing one.

"Pulse is the only pulsing third brake light that meets regulatory requirements for use in all 50 states. Step on the brake pedal and Pulse goes to work pulsing, rather than flashing, the third brake light. What’s the difference? NHTSA regulations restrict flashing lights to emergency vehicles. Our award winning rear-end collision deterrent technology causes the third brake light to remain steady burning, even while the light pulses."

Hmm... thanks for looking that up. I'm not a lawyer, but I imagine the court has discretion to throw that explanation out of the window.

IMO it would be better for NHTSA to create rulemaking that would regulate pulsing brake lights for use under heavy braking conditions similar to Europe. Effectively making it a safety feature instead of yet another annoying distraction on the road that this pulse system puts out.

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