Is the driver required to ensure that passengers maintain the proper position?

A)No.
B)No, they are only required to take care of the placement of objects.
C)Yes.Correct
The driver is responsible for the safety of all vehicle occupants. Therefore, they have the obligation to ensure that passengers maintain a correct posture. An improper position can compromise the effectiveness of safety systems, such as the seat belt, and can also distract the driver or limit their field of vision.