When public emergency responders (Fire & Rescue, Traffic Police) arrive on the scene of a dangerous goods vehicle incident, what is the primary duty of the transport driver and escort?

1. Immediately report to the Incident Commander, provide the Dangerous Goods Transport Consignment Note, Safety Emergency Card, and MSDS, and brief responders on cargo properties, tank valves, and trapped crew
2. Flee the scene into nearby mountain forests to avoid police questioning
3. Order the Fire Commander to leave the scene immediately
4. Sell the vehicle's spare tires to approaching emergency vehicle drivers