A driver has stopped, set the parking brake, activated red lights, and extended the stop arm. One car is still rolling toward the bus. What should the driver do before opening the door and signaling students?

1. Open the door because the red lights are already on
2. Make a final check and wait until traffic has stopped before fully opening the door and signaling students
3. Signal students to run across quickly
4. Turn off the red lights so the car can pass