The driver must manually shift to 1st gear with manual or standard transmission, and after the car begins rolling, must manually shift to 2nd, 3rd, etc., as the vehicle’s speed grows. Gear ratios changes automatically to shift from first, second, third and so on with an automatic transmission of the car.Thanks to valves and switches automatic shifting is possible. The trasmission doesn’t shift gears when you accelerate after stopping in automatic transmission cars, which are most of them in the market. To get more information information on cincinnati transmission make sure to visit the link above.