The difficulty in the rubber band result in the event the fuel pedal is pressed where the motor RPM jumps as many as 5000 RPM and stays there, creating sounds that could be read inside the cabin, has also been resolved by Proton by using the SAT aspect. Bunyi Bising: https://waylonmssqn.blue-blogs.com/41834497/gearbox-cvt-proton-an-overview