No, the gearbox incorporates the gears; the clutch is usually a separate component that connects the motor towards the transmission. In non-hybrid cars, B manner selects a decrease gear to enhance engine braking. In electrical, B method improves the level of regenerative braking any time you release the accelerator pedal. https://gearbox-auto07283.ageeksblog.com/33025792/new-step-by-step-map-for-gearbox-auto