Absolutley. Plus they help with stuff like ACC and I'd guess hill hold and things like that.
That said, my T6.1 has a manual handbrake and ACC. Although I'm doing no handbrake turns in that. But I'd guess that's why I have to put my foot on the brake shortly after coming to a stop, as the handbrake isn't electronic.
My Focus has hill hold, and also a manual handbrake.
So I guess it's not required for any of these things.
I used to think auto hold used the handbrake as well, but it turns out it doesn't, I had been wrong for years
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