The aforementioned friction bands and clutches are controlled utilizing automatic transmission fluid (ATF), that's pressurized by a pump after which directed to the suitable bands/clutches to get the required equipment ratio. 1 (also labelled "L"): Restricts the transmission to 1st equipment only, also called a "minimal gear". This is helpful https://daltonfmmqn.life3dblog.com/32701399/fascination-about-gearbox-auto