Final answer:
The statement regarding the patient's car accident would be part of the Subjective section of the SOAP note, as it is information conveyed by the patient about their own experiences.
Step-by-step explanation:
The information, "Patient stated that he had a car accident on September 3, 2012", would be included in the Subjective section of the SOAP note. This section of a SOAP (Subjective, Objective, Assessment, Plan) note encompasses all the information the patient expresses in their own words, including their experiences, perceptions, and symptoms. The subjective information is what the patient reports, as opposed to objective data which would include measurable observations made by the healthcare professional, such as vital signs and examination findings.