 It uses GPS data and your car's onboard cameras to read street signs and compute your speed in real time as you drive. This data is instantly sent to the government and placed in your driving record, of course. But even more, ISA's artificial intelligence will intervene, first to illuminate a warning message on your car's dash. If you ignore it, ISA goes the next step, literally pushes your accelerator back towards your foot. If you push back, ISA takes control and slows the car.