The difficulty on the rubber band result when the fuel pedal is pressed the place the motor RPM jumps around 5000 RPM and stays there, causing sound that may be read inside the cabin, has also been solved by Proton through the SAT feature. Kebocoran Minyak Gearbox: Ini adalah masalah https://finnbedbx.sharebyblog.com/34276949/gearbox-cvt-proton-fundamentals-explained