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You can find a comprehensive tutorial of Model documentation (including sections and details) at Autodesk University (use the same login credentials you use in the forums if it asks you to login)
AC4689: Producing 2D Documentation from 3D models in AutoCAD Section Planes begin at 00:33 minutes
Additional tutorial dedicated to Sections and Details using Drawing Views (skip ahead to 0:15 minutes unless you're interested in Land Speed records)
AC2359: Intelligent AutoCAD Model Documentation made easy.