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The heavy-duty truck industry has adopted various methods and technologies to provide comfort in sleeper cabins during rest periods. For heating a sleeper cabin the fuel-operated heating technology has been used already industry wide, due to performance, ecological, and economical reasons. The same criteria apply to the comfort requirements in the summer or in warmer climate. One of the most common methods is still the idling of the main truck engine. While engine idling increases both fuel consumption and emissions, it is also having a negative effect on the engine and exhaust system maintenance, especially with the latest changes of the emission regulation and the application of active and passive Diesel Particulate Filter (DPF) regeneration strategies.

More and more, the function of vehicles is determined by the intelligence of electronic controls. Consequently, the extent of software has increased strongly within the last years. The main differentiation between competitors is not longer done by different software based functionality only, but more and more by time-to-market criteria. To meet the enhanced development speed demands in conjunction with the complexity of systems and to improve the reliability at the same time, an efficient development process comes to the fore. Automated development processes and integrated development steps in the sense of concurrent engineering are neccessary. On the part of development tools, there are mainly two interesting approaches: classical Case-Tools, which are already established in some areas of the automotive industry, and tools for automated code generation, which are just at the threshold of being usable in automotive applications.