This earlier Model was found to get lower than seamless in follow; once the SAT button was pressed, it will simulate stepped ratios and keep on being that way right up until the motive force deselects it to return to standard, stepless CVT operation. Proton had identified that transmission button https://gearboxcvtproton83849.onesmablog.com/a-review-of-gearbox-cvt-proton-75113827