Abstract
The development of driving automation is one of the major topics in automotive engineering and is progressing at a fast pace. One key to the success of these systems is the acceptance by users and the actual usage. Surveys on the potential usage and acceptance have shown that the higher the automation level, the higher the acceptance and willingness to engage in side-activities. A driving simulator study with N = 61 was conducted with a between-subject design to compare the acceptance and usage of a conditionally (L3) and a highly (L4) automated driving system (ADS). Drivers were free to use the ADS as they liked. Results show that when using the L3 ADS, drivers spent more time on non-driving related activities and drivers using the L4 ADS spent more time with their eyes closed. The overall acceptance of the L4 ADS was higher.
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