& quot; The four -wheel positioning of the car refers to the rotary wheel of the car、The installation of a certain relative position between the steering section and the front axis is called the steering wheel positioning。Since the front wheel of most vehicles is a steering wheel，So also known as the front wheel positioning。

Make sure that the parameter that can automatically return to the posterior steering wheel (front) wheel is the main sales backward leaning and the main sales of the main sales，The following focuses on these two parameters and analyze how to automatically return the positive role。

Steering help will adjust the feel of steering with the speed of the car，For example, if you reducing your strength at low speed，Back to the positive angle gain to become larger，and the right back of the right time when high speeds become larger，The angle gain should be reduced。

The car has no trace of "pursuing straight lines"seabet my，and only drive from the current angle of the steering wheel，In this case, you need to constantly correct your direction。

Shopping car in the supermarket，The four wheels of the shopping cart are all biased towards the wheels，This is also for shopping cars to go more easily，When we need to turn around。& quot; (The content of the article comes from the Internet，Please contact if the copyright is involved)