This guide is designed to help teachers in automotive technician programs for grades 11 and 12 teach the critical competencies of the program. The critical competencies covered are the Priority 1 competencies in Ohio Occupational Competency Assessment Profile (OCAP) for Automotive Technician. Teacher materials include program/instructor resources, program basics, additional program elements, and activity options. Units 1-8 cover the following areas (with number of Priority 1 competencies in parentheses): engine repair (11); automatic transmission and transaxle (11); manual drive train and axles (5); suspension and steering (11); brakes (15); electrical/electronic systems (14); heating and air conditioning (11); and engine performance (23). Units 9 and 10 cover basic shop and safety practices (5) and preventive maintenance (1). The Competency Development Guides (CDGs) are designed to provide suggestions for how to teach the units and competencies. Each CDG covers one competency (or two or more related competencies) and includes the following information: unit, subunit, and competency number and title; objective; introduction; references; presentation (content outline with key points); review questions; application (student activities); and evaluation (Performance Checklist with directions for use). (YLB)