What should you do if the traffic light turns green before the emergency vehicle has passed the intersection?

• Wait until the emergency vehicle has passed or turned onto another street.
  Explanation:

  "Prioritize the safe passage of emergency vehicles, even when faced with changing traffic signals. If the traffic light turns green before the emergency vehicle has passed, do NOT proceed. Wait until the emergency vehicle has passed or turned onto a different street."
• Proceed on green, regardless of the emergency vehicle.
• Honk your horn to alert the emergency vehicle.
• Speed up to clear the intersection quickly.