My car requires hands on the wheel to continue to operate. So I do feel it moving. > I also don't understand how one has trouble staying between the lines with

My car requires hands on the wheel to continue to operate. So I do feel it moving. > I also don't understand how one has trouble staying between the lines with minimal cognitive input after more than a few months of driving. Once you have something assist you with that, you'll notice how much "effort" you are actually putting towards it.