Why do you think lane keeping assist is useful?
Why do you think smart cruise control is useful?
I can't tell if ABS is useful or not. My car has it but I've never used it.
Why do you think smart cruise control is useful?
I can't tell if ABS is useful or not. My car has it but I've never used it.
The fact that you've used it and don't know it proves your point. That's an example of good safety implementation.
It's easy to tell when it does - it makes the same BRRRRRP noise it does during the ECU's startup self test from the valve block in the engine bay.