When the computer decides the time is true, it disengages the clutch automatically, selects a new gear after which re-engages the clutch. The Audi E-tron GT and Porsche Taycan make use of a two-velocity device on their own rear motor, using a minimal initially gear and a large second gear. https://gearbox-auto63186.slypage.com/34361948/new-step-by-step-map-for-gearbox-auto