What must a commercial road passenger driver do if they experience severe illness, acute fatigue, or emotional distress prior to scheduled vehicle dispatch?

1. Take over-the-counter stimulant medication and drive at higher speeds to finish early
2. Ask an uncertified passenger on the bus to take the wheel during expressway sections
3. Drive slowly without reporting the condition to anyone
4. Immediately report to enterprise dispatch, suspend driving duties, and refrain from driving while impaired