Check and replace the car air filter, relatively speaking, is not particularly complex, for the time and hands-on ability of people, you can do your own car to replace the air filter. The main steps are as follows.
　　1. First, open the engine cabin cover and confirm the position of the air filter. Usually in the car inside to open the cabin cover switch, then, open the cabin cover, and the pole top.
　　2. Determine the position of air filter. The air filter is usually located in the engine compartment. It is connected to the inlet pipe on one side and the engine on the other end. A square black plastic box can be seen, in which the air filter element is installed.