Earlier quoted context omitted.
> If you don't turn on your turn signal and you weave to the left to pass them ...oh nice, the car scares you into remembering that you should always signal passing maneuver with your blinker! Another case where this system goes awry: in light drizzle, cars leave wet trails behind that shine and this system will mistake them for lane markings. I have to turn LTA off in such condition or it would steer me right off th…
There are a lot of cases where you pass a line without indicating though. There are also a lot of cases where a line ease off to the side in a turn-off that would guide the lane assisted vehicle off the road. Just do a google search for these kinds of cases. This technology is immature and dangerously fails in a lot of cases already.
I'm curious to know what those circumstances are. I'm just a dumb American driver but even I was taught you always use your indicator when changing lanes: turning, passing, merging, parallel parking. I don't know where at any point you are not required to use the indicator.