This before Edition was observed for being less than seamless in follow; if the SAT button was pressed, it could simulate stepped ratios and continue to be this way right up until the driver deselects it to return to traditional, stepless CVT operation. Proton had identified that transmission button modes https://gearboxcvtproton07394.wssblogs.com/34389051/indicators-on-gearbox-cvt-proton-you-should-know