1 (also labelled "L"): Restricts the transmission to 1st equipment only, also referred to as a "lower equipment". This is useful when a big torque is needed within the wheels (for example, when accelerating up a steep incline); on the other hand use at better speeds can operate the motor https://gearboxauto30739.thekatyblog.com/32871125/the-greatest-guide-to-gearbox-auto