it is not in complete control of the vehicle. The system does not take into account other vehicles on the road and "cannot replace good driving habits". Potential danger American Automobile Association testers found advanced driver assistance systems inconsistent and dangerous. Systems performed 'mostly as expected', but when approaching a simulated disabled vehicle a collision occurred 66 per cent of the time and the average impact speed was 25 mph (40kmh). See also Autonomous car Adaptive cruise control Blind spot monitor Intelligent car Lane centering References External links Consumer Reports has an extensive list of current vehicles with different safety systems like lane keep assist Advanced driver assistance systems Warning systems