1 (also labelled "L"): Restricts the transmission to 1st gear only, also referred to as a "small gear". This is helpful when a substantial torque is needed in the wheels (for example, when accelerating up a steep incline); nonetheless use at bigger speeds can run the motor at an too https://trentonnwaef.ampedpages.com/not-known-details-about-gearbox-auto-61093916