What is what does it mean when the ambulance lights are on but no siren?

Here's what it generally means when an ambulance has its lights on but no siren:

• Code 2 Response: This often indicates a "Code 2" or "priority" response. The ambulance is responding to a call that requires urgency but is not immediately life-threatening. It's more serious than a routine transport but less critical than a "Code 3" response.

• Patient Comfort: The siren might be turned off to avoid causing further distress to a patient%20who%20is%20already%20anxious or injured. This is particularly common when transporting patients with certain conditions, such as those prone to seizures or severe headaches.

• Noise Reduction: In residential areas, especially at night, the siren may be turned off to minimize noise%20pollution and avoid disturbing residents.

• Specific Protocols: Some emergency%20medical%20services (EMS) agencies have specific protocols that dictate when sirens should be used. These protocols may consider factors like the time of day, location, and the nature of the call.

• Arrived On Scene: The ambulance may have arrived at the scene and is using the lights for scene%20safety, visibility, and to alert other drivers, but the siren is no longer necessary.

• Mechanical Issue: While less common, it's possible that the siren%20is%20malfunctioning. However, this is usually a temporary situation, and alternative warning devices would likely be used if available.