How are car buyers and car sellers currently informed about ADAS? An investigation among drivers and car sellers in the Netherlands

Boelhouwer, A.; van den Beukel, A.P.; van der Voort, M.C.; Hottentot, C.; de Wit, R.Q.; Martens, M.H. · 2020 · DOAJ

DOI: 10.1016/j.trip.2020.100103

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Summary

This study investigates how car buyers and sellers in the Netherlands are currently informed about Advanced Driver Assistance Systems (ADAS). The research is motivated by the critical need for drivers to understand ADAS capabilities and limitations to ensure safe interaction with automated vehicles. Insufficient knowledge can lead to dangerous overreliance on automation or underutilization of safety features. The authors identify that current information gaps are exacerbated by non-standardized Human-Machine Interfaces and inconsistent terminology across car brands. The researchers conducted two separate nationwide surveys in 2019. The first survey targeted 713 consumers who purchased a new or used car in the preceding two years, recruited through the ANWB membership association. The second survey targeted 336 car salespersons from official brand dealers (OBD) and independent car dealers (ICD), recruited through the BOVAG trade organization. The consumer survey assessed ADAS usage, the timing and mode of information received during purchase, and post-purchase information seeking. The seller survey evaluated the sufficiency of training received and methods used to acquire ADAS knowledge. Statistical analyses, including Chi-Square and Mann-Whitney tests, were used to compare groups. The findings reveal significant deficiencies in consumer education. Approximately 24.4% of drivers received no information about ADAS at the dealership, with used car owners (34.0%) far more likely to be uninformed than new car owners (14.4%). Among those who received information, only 8.8% tested the systems on the road with a seller, and just 0.2% received official training. Verbal explanation was the dominant information mode (87.2%), while brochures and website referrals were less common. Consumers primarily relied on paper owner’s manuals (69.8%) for post-purchase learning. Regarding sellers, 37.8% reported receiving insufficient or no ADAS information. A stark disparity existed between dealer types: only 8.5% of official brand dealers reported insufficient information, compared to 59.1% of independent dealers. Consequently, independent sellers were significantly more likely to seek information independently due to inadequate initial training. The study concludes that current informal and inconsistent information practices pose safety risks as automation complexity increases. The authors emphasize that the gap in knowledge among independent dealers and used car buyers is particularly concerning. They propose that the automotive industry, stakeholder organizations, and government must implement standardized consumer education guidelines and improve seller training to ensure the safe and effective adoption of automated driving technologies.

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• adas effectiveness