1 (also labelled "L"): Restricts the transmission to 1st gear only, often called a "small gear". This is helpful when a large torque is necessary on the wheels (by way of example, when accelerating up a steep incline); having said that use at increased speeds can operate the motor at https://arthurhjhey.ampblogs.com/5-easy-facts-about-gearbox-auto-described-70831804