Ok i'll bite. Because why? How can you decelrate quickly enough to need to notify the driver behind you without braking?
this post was submitted on 14 Jul 2024
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Old auto trannys didn't have a bypass. You dropped to first some obeyed
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.
Most modern cars now put the hazards on automatically when the driver brakes hard.
Source? I have never seen a single car that does this.
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/s^2^ and I believe some vehicles might activate their fog tail lights too.
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.
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.
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).
You can buy special brake light kits to do this automatically.
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.
Two colors, amber for slowing, red for hard braking.
Some semi tractors have implemented brake lights that activate under exhaust braking, and its fucking annoying.