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16 points

I personally think cars should have two brake light switches. one for when you’re pressing the pedal at all, and one for when you’re slamming on the pedal.

that way the people behind you know if you’re just slowing down a little or actually braking.

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7 points
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I know cats that blink the middle light if you brake hard.

EDIT: I’m not fixing that typo

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2 points

Upvote for typo.

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0 points

They get brighter based on how much you push the brake

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2 points

I try (if I have time myself to do it without hitting someone and am just in front a mess) to “wake people up” a bit by rapidly tapping the brakes before hitting them hard (to hopefully make my brake lights flash).

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3 points

You can buy special brake light kits to do this automatically.

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2 points

I feel like I looked into that once upon a time and it was illegal in my state (Ohio).

I have seen something like that though, at times it’s a bit too much IMO. I’ve seen some that trigger for pretty gentle braking so there’s just a strobe light distraction in front of you over relatively minor things.

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4 points

I have a 2016 beemer. it can do that. Might even be a requirement in Germany - idk

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6 points

Most modern cars now put the hazards on automatically when the driver brakes hard.

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11 points

Source? I have never seen a single car that does this.

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0 points

I don’t know what the system is called but it’s been around on a lot of cars for a while now. Our car does it (2016 Nissan Qashqai) - the hazards came on automatically when I had to brake hard on the motorway, and everyone else’s hazards came on too - it was exactly the reason I knew how I knew I had to instantly brake hard due to all the cars ahead hazard lights coming on with the brake lights.

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1 point
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It’s a fact.

I’m a truck driver in Germany, and even my Volvo truck turns the hazards on under hard braking.

In Europe it is required for vehicles decelerating faster than 6m/s2 and I believe some vehicles might activate their fog tail lights too.

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3 points

First time surprised me my because I didn’t know the car had the feature. Slammed the brakes harder than normal and hazards flashed at double time. Driving a 2010 Alfa Romeo 159.

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3 points
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I have seen several - if you press hard enough to Activate ABS on dry road, you most likely will see the hazard lights on

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15 points

Actually, a least some cars (probably more than you think)/have some sort of “emergency” breaking signal, which often result in the usual breaking signal blinking for a while. You need to seriously slam the brakes to see it though. E.g: https://m.youtube.com/watch?v=j_osu1WgGMU

There is also a nice technology connection video talking about braking lights for electric cars and in general, which can be dangerous.

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3 points

I’ve seen some people play with the programming of BMWs. I was really impressed with one I saw that had 3 levels of lighting. It didn’t affect the actual brake lights but instead utilized the rear fog light. Normal braking was just the normal lights. Moderate braking turned on the rear fog lights. But when he slammed the brakes, the rear fogs flashed.

I was also pissed to be in traffic that allowed for all 3 modes in a few miles.

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-2 points

if you have an adequate following distance you never need to brake hard

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6 points

I rented an electric car recently (Mach-E) and almost exclusively drove in single-pedal mode.

Thought a lot about this video as I was driving.

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4 points

I seem to remember that when BMW first rolled out LED taillights they did something like this — they were brighter when the driver absolutely slammed on the brakes. No idea if that was a concept or in production cars though.

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0 points

Two colors, amber for slowing, red for hard braking.

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3 points

I always figured red and red strobing would make sense, since amber is used for turn signals. Not sure if that would fly for epilepsy and such though, but there are plenty of other bright flashy/flickery lights when driving as it is.

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4 points

I reach for the hazard lights any time I’m about to break hard or if someone in front has done something that will make me slow unexpectedly.

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