5.1: Definition of Team: Each team must consist of one car and four to six drivers. There is no limit on non-driving crew members, friends, cheerleaders, etc.
5.2: Driver Portability: Any registered driver is allowed to drive any registered car.
5.3: "I" in "Team": Contrary to popular opinion, it turns out there IS an "i" in "team." It was hiding under the first leg of the "m."