A semi-automatic transmission is where a lot of the operation is automatic (normally the actuation of your clutch), but the motive force's enter is needed to maneuver off from a standstill or to alter gears. In guide transmission, the driver must change the gears manually by using the equipment shifter. https://automobilegearbox73949.thelateblog.com/34643788/the-automobile-gearbox-diaries