The driver can choose the manner in the push which can be- ahead or reverse, park, neutral generate and Activity. The selected gear sets the equipment ratios along with the timing in the meshing automatically. Automatic gearbox comes only with 2 pedals as it doesn’t have to have clutch pedal. https://automobile-gearbox74960.anchor-blog.com/14031839/considerations-to-know-about-automobile-gearbox