Unknowingly, the Spring Festival holiday is over, and the Lions team has officially started for two days. Most car owners use more cars when visiting relatives and friends during the Spring Festival. Small frictions on the road also frequently occur. After the holiday, every car owner enters. All-round repairs and maintenance of the store also appear to be crowded together. So after the long holiday, what aspects of the maintenance of the vehicle should be paid attention to? Next, the editor will introduce a few key points to the car owners for reference.

四轮定位是以车辆的四轮参数为依据，通过调整以确保车辆良好的行驶性能并具备一定的可靠性。轿车的转向车轮、转向节和前轴三者之间的安装具有一定的相对位置，这种具有一定相对位置的安装叫做转向车轮定位，也称前轮定位。前轮定位包括主销后倾(角)、主销内倾(角)、前轮外倾(角)和前轮前束四个内容。

There are thousands of parts in our cars, each of which is vital. However, many people only know to change the oil during the maintenance process, but ignore small parts such as spark plugs. So today I will show you how to judge for yourself whether the spark plug needs to be replaced.