Not sure. The specific learning process needs to be determined according to individual circumstances. Generally speaking, it takes 20 days to learn the key technologies of automobiles. Learners need to know the basic structure of automobile keys, including key head, plug, bolt, electronic components and other components. It is necessary to master the basic principles of the automobile decoding technology training school, including the working principles of keys, latches and electronic components. It is necessary to practice the actual operation of the car key, including the insertion, withdrawal and rotation of the key.