How deep does the tire penetrate the villa property?

Punch up and down until 12 mm (mm) passes. If the tire is punctured by a nail, it must be repaired immediately. The tire is the only part of the car that touches the ground, which is related to the driving stability and maneuverability of the car. Tires are rubber products, and rubber products are easily punctured by some sharp metal objects. Rubber products may wear out after long-term use. Of course, the tires need to be replaced regularly. If it is not replaced for a long time, it will affect the handling and driving safety factor of the car. Under normal circumstances, the tires of a car can last for four years, so it is natural to encourage friends to change tires every four years. Buying new tires must depend on the date of production, because tires basically have a shelf life. In general, the shelf life of tires is three years. If they have been in the factory for more than three years, then you must not buy them. After installing new tires, it is necessary to do a new dynamic balance test for each wheel to avoid abnormal jitter and vibration of the wheels when driving at high speed. If the wheels shake abnormally when driving at high speed, it will affect the handling and driving stability of the car. It is very important to check the tire pressure regularly when using the car. Tire pressure should not be too high or too low. (From auto.china.com)