Brake light flickering when brake hard?

[7times]

I saw the Audi A4 (maybe MY16) rear brake light flickering when it brake hard in front of me, it’s a really good idea to reminding the driver behind. I’m not sure my Passat 140 Alltrack does this or not, anyone know about this?

[Jap]

It’s a tweak for obdeleven and vcds, also having the hazards flash too

but there’s a few things that activate them, you have to be travelling at more than 100kph and brake down to 40 at a certain speed or faster (not 100 % sure but I think the ABS needs to be activated), and I think this is already activated on EU spec cars

[Jondalar]

It's in the brochure: Automatic flashing brake lights activated in emergency braking situation
At least for MY 18.5, I don't have the earlier ones.

[zzc2010]

You will only know if you try some scenarios.

Would you try them?

Haha


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[Wynnston]

The MY17's do it from factory as well. You don't have to be on the brakes all that hard, but you do have to be decelerating from a decent speed.

[zzc2010]

The MY17's do it from factory as well. You don't have to be on the brakes all that hard, but you do have to be decelerating from a decent speed.

How do you know when it’s activated?

Blinkers on or what?


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[Wynnston]

You don't know unless someone is videoing you on a track :P