What is considered the passenger compartment of a motor vehicle?

The passenger compartment of a motor vehicle is the space provided for the driver and passengers to sit in. It is usually enclosed by a roof, doors, windows, and pillars, and may also include other features such as seats, seat belts, and dashboards. The passenger compartment is designed to provide a comfortable and safe environment for occupants of the vehicle, and is often equipped with various amenities such as heating and air conditioning, lights, audio systems, and navigation devices.