1 (also labelled "L"): Restricts the transmission to 1st equipment only, often known as a "lower gear". This is helpful when a large torque is required in the wheels (for instance, when accelerating up a steep incline); nonetheless use at larger speeds can operate the motor at an abnormal pace, https://charlierchjo.elbloglibre.com/34123618/the-5-second-trick-for-gearbox-auto