When the motive force presses the fuel pedal as many as 70%, the CVT transmission ECU will activate this SAT element and mimic the exact same gear shifting behaviour of an everyday traditional computerized transmission. Other companies, like Toyota, have made use of this trick for a very long time.  https://cvt-proton85172.blogthisbiz.com/41012644/5-essential-elements-for-cvt-proton