Sean Purchased a New Car

Sean purchased a new car. One of the car's wheels came undone, and Sean crashed into a tree. Sean was not wearing his seatbelt when the car crashed. Sean filed a lawsuit against the car manufacturer. Which of the following statements is true in this scenario?

A) Sean assumed the risk as he was not wearing a seatbelt.
B) The car manufacturer is guilty of a strict liability tort.
C) Assumption of the risk is not a valid defense against Sean, as he could not have known that the wheel would become detached.
D) The car manufacturer can win the lawsuit by establishing the negligence per se doctrine.