Unit One Marks of Manufactures?Automobile Model Unit Two Automobiles Label Unit Three Technical Parameters Unit Four A Section View of a Typical Car Unit Five Engine Unit Six Chassis Unit Seven Electrical Equipments Unit Eight EFI Unit Nine TSI Unit Ten SRS Unit Eleven ESP Unit Twelve Commonly Used Abbreviations Unit Thirteen VAG1552Tester Unit Fourteen OBD-ⅡTrouble Codes Unit Fifteen Symptom and Fault Analyze Unit Sixteen The History and Major Development of Auto Unit Seventeen Engine Operating Principles Unit Eighteen Automatic Transmission Unit Nineteen Check List Unit Twenty Greeting and Introduction Unit Twenty-one Asking the Way and for Help Unit Twenty-two Food and Meals Unit Twenty-three Appointment and Telephoning Unit Twenty-four Introducing Products