1 (also labelled "L"): Restricts the transmission to 1st gear only, generally known as a "minimal gear". This is beneficial when a sizable torque is needed with the wheels (such as, when accelerating up a steep incline); however use at higher speeds can run the engine at an excessive speed, https://dantevdggi.aioblogs.com/87152544/5-easy-facts-about-gearbox-auto-described