three: Restricts the transmission to the bottom 3 gear ratios. Inside a 4-velocity automatic transmission, this is frequently utilised to avoid the car shifting into the overdrive ratio. Automatic transmissions are Primarily prevalent in vehicular drivetrains, specifically People subject matter to rigorous mechanical acceleration and frequent idle/transient operating ailments; https://gearbox-auto22096.answerblogs.com/32576071/not-known-factual-statements-about-gearbox-auto