Since the driving mode of a passenger car is generally front-wheel drive, the load of the front wheels is greater than that of the rear wheels. After a certain mileage of the car, there will be differences in the degree of fatigue and wear of the tires in different parts, so it is recommended that you take the mileage or road conditions in a timely manner Tire rotation is performed; due to the complex road conditions, any situation on the road may have an impact on the tires and steel rims, such as bumping into a road platform, passing through potholes at high speed, etc., which may easily cause deformation of the steel rim, so it is recommended that you change Do tire dynamic balance at the same time.