11. Not Required
Some say there is still no reason for police officers to do this, other than for tradition’s sake. However, some may even argue that this habit is a right of passage or a way of honoring those officers who came before them. Either way, taillight tapping is not actually required by police officers but is something that most still do as common practice for one reason or another. Knowing how and why the police do certain things, may help save your life one day.