Caresoft is a company that specializes in vehicle teardowns and benchmarking. It has great insights into how Tesla designs its cars for modular assembly, especially in how Tesla eliminates fasteners and complexity. It even points the way to how Tesla will develop its new unboxed assembly process. Autoline’s John McElroy interviewed Caresoft’s Han LY at the IAA in Munich to see the front and rear assembly process of an Austin-made Model Y.