What color is the indicator light for the Auto Illumination Emergency Flashlight when it is functioning?

The correct choice indicates that the indicator light for the Auto Illumination Emergency Flashlight is red when it is functioning. A red light typically signals that the device is active and ready for use, which is crucial in emergency situations. This color choice is standard across various safety equipment, as red is universally recognized as a warning or alert color, indicating that the flashlight is operational and will illuminate automatically when needed. Understanding this function is vital for a flight attendant since they must ensure all safety equipment is in working order for passenger safety during flights.