When the driving force presses the fuel pedal as much as 70%, the CVT transmission ECU will activate this SAT element and mimic precisely the same equipment shifting behaviour of a regular standard computerized transmission. Other makers, which include Toyota, have used this trick for a long time.  Bunyi Bising: https://dallasmuxxv.win-blog.com/14736706/the-definitive-guide-to-cvt-proton