My Suggestion. RELAX. Stay alert. Carefully monitor where the emergency vehicle is coming from as you gently slow down. Prepare to stop straight or PARALLEL to the emergencies vehicle path. Move through intersections.
Do not panic nor bolt to the right. Be safe. Cautious. Just support the opening of a path for the emergency vehicle. SIMPLE. There is lots of time to see and hear their approach.
Learn to Drive includes a constant growing, ever changing, understanding of the law.