In the interview for an automotive domain role focusing on C++, I demonstrated my proficiency in the language by discussing its applications in automotive systems, such as real-time control and embedded systems. I showcased my understanding of C++ features like object-oriented programming, memory management, and optimization techniques crucial for automotive software. I tackled technical questions and coding challenges related to performance, concurrency, and hardware interaction, while also addressing best practices in C++ for safety and reliability in automotive contexts. The interview also covered my experience with relevant libraries and tools, and my ability to handle complex system requirements and constraints.