If you find it necessary to transport an injured person in your vehicle, are you obliged to comply with traffic rules?

If as a consequence of especially serious circumstances, the driver of a non-priority vehicle is forced, without being able to resort to other means, to perform a service normally reserved for priority vehicles, they shall ensure that other users are aware of the special situation in which they are travelling, by using the audible warning device intermittently and turning on the hazard light, if available, or waving a handkerchief or similar method. In any case, traffic rules must be respected, especially at intersections.