Semi-autonomous systems 'aren't robust substitutes for human drivers' - study

The current crop of semi-autonomous driver assists aren't proper substitutes for hands-on attention, according to a new study from the US Insurance Institute for Highway Safety (IIHS). According to the non-profit's research, current semi-autonomous systems like lane-keeping assist and adaptive cruise control displayed behaviours ranging from "the irksome, such as too-cautious braking, to the dangerous".