Unit 1 Automobiles Lesson 1 Introduction to Automobiles Lesson 2 Safety Knowledge Lesson 3 Car Maintenance Unit 2 The Engine Lesson 4 General Introduction Lesson 5 Fuel Supply System Lesson 6 The Lubrication System Lesson 7 The Cooling System Unit 3 The Chassis Lesson 8 Transmission System Lesson 9 Braking and Driving Systems Lesson 10 Steering and Suspension Systems Unit 4 The Electrics