1 (also labelled "L"): Restricts the transmission to 1st gear only, often known as a "minimal equipment". This is beneficial when a sizable torque is necessary on the wheels (for instance, when accelerating up a steep incline); nonetheless use at larger speeds can run the motor at an excessive velocity, https://gearbox-auto63951.tkzblog.com/33935215/the-2-minute-rule-for-gearbox-auto