The survey’s findings add to the mounting evidence that drivers don’t know exactly what self-driving cars are which leads them to believe their own cars are more capable than they are. It is a product of the wide gap between complex engineering jargon and colloquial terms people use all the time.
https://www.vice.com/en/article/93azze/people-think-their-cars-are-self-driving-even-though-theyre-not-study-finds