This work offers a comprehensive insight into the reclined and backward-shifted sitting position in Level 3 automated driving with empirical data. The results supplement the current research on take-over performance with the factor of body posture and enhance the understanding of the risks and challenges. The take-over motion dataset provides empirical evidence for the digital human model and vehicle interior design of Level 3 automated driving. The active seat assist shows one example of the adaptive interior elements to improve take-over performance and system usability.
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