What is the formula of semi-trailer reversing skill?

The formula of semi-trailer reversing skill is:

1. When the semi-trailer reverses, the steering wheel rotates in the opposite direction to the bicycle.

2. When the road turns sharply, reduce the speed.

When the road bends to the left, the semi-trailer rushes out of the tractor.

4. When the road turns right, the inner rear side of the semi-trailer is close to the center line of the road.

Don't be impatient when reversing. Be sure to observe the rearview mirror and find the sense of distance and direction of a good car.

Specific skills of reversing semi-trailer;

1. Semi-trailer and adjacent vehicles side by side. Confirm that the distance to the adjacent vehicles is about 1 m. After confirming the rear safety, back up in a straight line and stop when the rear bumper of the vehicle is side by side.

2. Turn the steering wheel to the right and reverse to the target position. When the car stops, turn the steering wheel to the right. Loosen the brake pedal slightly and use the peristalsis function of semi-trailer to reverse. Stop when the left side of the car body reaches a straight line extending from a certain point.

3. Turn the steering wheel to the left, and then reverse the car after the tires are aligned. When the car stops, turn the steering wheel to aim at the tire; Reverse slowly in a straight line, and stop reversing when the left rear wheel reaches the white line outside the parking space.

4. Move the car to the right, turn the steering wheel of the semi-trailer to the left and slowly retreat; Before the vehicle is parallel to the shoulder, the turning direction should make the vehicle return to the correct position and park the vehicle parallel to the shoulder (the semi-trailer is a large vehicle, so be careful not to collide with the following vehicle when parking).