Th e instructional design includes student-focused learning tools to help students succeed. Th is visual guide highlights the features designed for the textbook. Guided Tour Learning Objectives clearly identify the knowledge and skills to be obtained when the chapter is completed. Technical Terms list the key terms to be learned in the chapter. Photo Sequences reinforce and enhance understanding of diagnostic, service, and repair procedures presented throughout the book. Step-by-Step Procedures guide you through the critical steps needed to diagnose, service, or repair vehicle systems.