2. the student cannot respect someone not kotcharachon (turn turn signal while turning vehicle. This makes the car a couple of cases, confusion, and an accident car crash.
2. Failure to respect traffic rules. (Some students do not turn the turn signal while turning car. The parties make cars and car crash each other confused.
2. No respect to traffic rules (some students don't light turn while will turn the car. Therefore, the car parties confused and there's been a car accident.