1, p stands for parking gear, also called parking gear: when the car needs to stop for a long time, push the gear to P to prevent the car from slipping.

2.r gear stands for reverse gear: used when reversing the car. When you are ready to reverse, you need to change the gear to R. Before shifting into reverse gear, you need to stop the car first, and then press the safety button on the gear lever to shift the gear lever to R gear.

4. D stands for forward gear: forward gear is the gear that has been used for the longest time. When the forward gear is used, the gearbox will automatically shift gears according to the driving speed of the car, which can realize automatic shifting. We often say that the D block is the world, which is the block.