Brits given one week warning ahead of new speed limit law that will ‘change how we drive https://www.ladbible.com/news/uk-news/new-speed-limit-law-cars-964882-20240624
When it comes to methods in which your car will prohibit you from speeding, the speed limiters can work in one of three ways: advisory, supportive or intervening.
An advisory ISA will present drivers with a warning symbol if they exceed the speed limit.
A supportive system will increase upward pressure on the accelerator pedal, making it harder to increase your speed.
The most extensive of the three is a mandatory speed assist, which will reduce engine power if you are speeding, allowing for a gradual reduction in speed.
The third one is the only one that intervenes on my MY2025 Tucson, if that function is turned on. The first two, seem to just flash the speed sign recognition and beep’s a couple of times. I have managed to get mine to stay off once set to off. ‘Can’t remember which but, there are other makes with a physical button that turns it off untill the driver decides to turn it on.