If you place the transmission in next equipment, it won't ever downshift or upshift out of 2nd, even from a whole stop, Unless of course you progress the change lever. Overdrive is particularly useful for extensive-distance freeway driving, in which sustaining a significant speed with nominal motor energy is beneficial. https://gearboxauto63062.pages10.com/not-known-factual-statements-about-gearbox-auto-69085063