This study guide was written to help service technicians and students of automotive technology prepare to take the National ASE Certification Tests. This study guide includes the following features: Sample ASE-type test questions organized and correlated to the ASE test task list. Answers with detailed explanations of why the right answer is correct as well as why the wrong answers are not correct. A coupon for FREE access to a website for additional test questions that are graded online as you complete each 10-question quiz. A comprehensive English and Spanish language glossary that gives detailed definitions of all technical words and terms used in the ASE Certification Test. Two appendixes address ASE assumed knowledge of environmental/hazardous material handling and safety issues. An index allowing key words or topics to be quickly located.