A Content Access Code is packaged with some new Cengage textbooks, purchased at local bookstores, or purchased online. It lets you register your book and access the online materials. Your access code should be similar to PP8XLP3XD528HC
A course key is a 12 or 15-digit string of numbers and letters that identifies which course youre taking. Your instructor should provide this to you. Try locating your course key in your syllabus or on your instructors course web pages.
To register for CourseMate you must use the Access Code located on your Printed Access Card. Note that a CourseMate Course Key is registered directly from the CourseMate Home page, only after you have registered and launched your CourseMate product.
CourseMate Course Keys are not entered via CengageBrain. If your instructor provided a Course Key, open your CourseMate product. From the CourseMate Home page click the Enter Your Course Key button and enter your Course Key to enroll in your instructors course.Close
Automotive heating and air conditioning systems have undergone massive changes in both system design and components as a result of growing concerns for the environment, varying consumer preferences, and industry changes. TechOne: Automotive Heating and Air Conditioning is a modular, performance-based approach to understanding, diagnosing, and repairing automotive-air conditioning systems. It examines the theory behind the operation of the latest generation of heating and air-conditioning systems, including how the theories are applied, and offers readers the opportunity to practice the skills that will enable them to compete in the air-conditioning service market. Material is developed in accordance with NATEF guidelines and takes into account all the criteria needed to adequately prepare readers for the ASE Heating and Air Conditioning A7 Certification Exam.