A traffic light displays a green arrow in an additional right-turn section while the main circular signal is RED. What rule must a turning driver obey?

1. The driver has absolute priority over all other vehicles in the intersection.
2. The driver may turn right, but MUST yield right-of-way to vehicles traveling from all other directions with the main green signal.
3. The driver must come to a complete stop for 3 minutes before turning.
4. The driver may only turn if driving an emergency service vehicle.