The 2001 GM Service Mechanics Repair Training Course CD is a comprehensive resource specifically designed for General Motors service mechanics. Produced by GM and released in 2001, this CD-ROM offers advanced training on HVAC system diagnosis. With a focus on diagnosing and repairing HVAC systems in GM vehicles, this course provides valuable information for mechanics looking to enhance their knowledge and skills in this area. Made in the United States, this product is a must-have for anyone working on GM vehicles in need of expert training in HVAC system repair.