this post was submitted on 05 Jun 2025
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[–] catloaf@lemm.ee 210 points 6 months ago (64 children)

By signaling to oncoming traffic and vehicles approaching from the side, a front brake light provides an essential visual cue that a car is slowing down or preparing to stop. When the light is extinguished, it indicates that a stationary vehicle might initiate movement. According to Tomasch, this visual feedback can significantly truncate the reaction time for other road users, leading to shorter stopping distances and consequently diminishing the likelihood of accidents.

Sounds reasonable. Personally I just want front turn signals to be visible from the opposite side again.

[–] sour@feddit.org 5 points 6 months ago (24 children)

How would you do that so it isn't ugly as hell and isn't prone to misunderstanding?

[–] sugar_in_your_tea@sh.itjust.works 2 points 6 months ago (5 children)

I've seen newer cars turn the headlight off while the turn indicator is on, so you get a sort of double-blink effect.

I don't see any reason why we can't just have the whole headlight blink yellow as well with the turn indicator. LEDs are everywhere and can handle changing colors really easily, so it's not hard to require that for all new cars.

[–] lka1988@lemmy.dbzer0.com 1 points 6 months ago

I've seen newer cars turn the headlight off while the turn indicator is on, so you get a sort of double-blink effect

Those are typically DRLs. Chrysler did this for a while in the 2000s-2010s (maybe still, idk), where the high beam - in DRL mode - turns off while the turn signal is doing it's thing. Other manufacturers do this with dedicated DRLs, sometimes integrating the DRLs and turn signals into one multicolored unit (Kia Telluride, for example).

No manufacturer shuts off a headlight for a turn signal when the headlights are intentionally turned on (whether by light sensors at night, or by the driver).

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