Last but not least, the driving force releases the clutch pedal, Which will allow the engine and transmission to reconnect and engage. This method must be recurring whenever the driver wishes to vary gears.  To vary gears, the transmission adjusts the scale on the pulleys to produce different equipment ratios. https://finnzcbcc.loginblogin.com/39630161/not-known-factual-statements-about-gearbox-kereta-auto