Final answer:
Transport the patient for medical evaluation to ensure their well-being despite their denial of pain and refusal of treatment.
Step-by-step explanation:
In this situation, it is important to prioritize the safety and well-being of the individual involved. As the unrestrained passenger in a rollover car crash, the 15-year-old male may have sustained injuries that are not immediately apparent. Even if he denies pain and refuses treatment, it is essential to remember that some injuries may not be immediately visible or cause pain. Additionally, the individual may be in a state of shock and not fully aware of their own condition.
Given the circumstances, it is recommended to transport the patient for medical evaluation. This will ensure that any potential injuries are properly assessed and treated, if necessary. While the patient's parents are unavailable, the priority is to ensure their well-being. Once the patient is under medical care, efforts can then be made to contact the parents and provide them with information about the situation.