What are the steps for shifting from 4th gear to 2nd gear?

[DeLena]

When downshifting from 4th gear to 2nd gear, you need to depress the vehicle's clutch pedal to disconnect the power linkage between the engine and the transmission, then shift the gear lever to complete the operation. Below is an introduction to the various gears in a manual transmission car: 1. First gear: This is the starting gear, used when the car begins moving from a standstill. Another meaning of the starting gear is that it is only used for starting. 2. Second gear: This is the driving gear, used when the car is moving at low speeds. 3. Third gear: This is the acceleration gear. Starting from this gear, you can coordinate with the throttle to accelerate, increasing the car's speed to a certain level. 4. Fourth gear: This is the medium-high-speed driving gear. In urban roads, except for elevated sections, this is generally the highest gear used, typically at speeds around 60-70 km/h depending on the vehicle. 5. Fifth gear: This is the high-speed gear, used only on elevated roads, highways, etc., generally at speeds of 80 km/h or above. 6. R gear: This is the reverse gear, used when reversing the car.