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In the early 1980s, an oxygen sensor was applied to improve the fuel efficiency of automotive embedded systems. Currently, the complexity of software development has being increased due to the emergence of various requirements and the electronic control devices to ensure the safety and convenience of the driver. The high-performance hardware embedded in the ECU is a big issue for the automobile industry. OEMs, TIERs, tool providers, and the others are aiming at a variety of unit reusability, including software and hardware, based on the plug-and-play architecture concept. It is enhancing the quality attributes (safety, performance, real-time) of various perspectives. Furthermore, international standard process (ISO 26262, A-SPICE) does not provide a direct methodology for dealing with requirements refinement procedures, standard specification methods, and traceability of extracts.