Yes this happened to me coming back from Oulton Broad, I could hear the tones going and on a good stretch (no bends and we have a few) I pulled over the car coming the other way did the same , but lupin behind me , been up close to my car all the way decided he was pulling out and not having of it , when the ambulance came flying past and nearly finished him off , his reaction was to pull back in pronto presto and after that calmed down completely and kept his distance.