What does Code 3 signify in Standard Response Codes?

Code 3 in Standard Response Codes signifies that an officer should respond at once using emergency equipment, such as lights and sirens. This code indicates a situation that requires an immediate and urgent response, often due to the potential for a life-threatening or time-sensitive scenario. The use of emergency equipment not only alerts other road users that an emergency response vehicle is en route but also helps facilitate a quicker response to the incident at hand. The emphasis on a rapid response with the appropriate equipment underscores the seriousness of the situation that necessitates the use of Code 3, ensuring that responders can reach the location as quickly and safely as possible.