Which message on the warning and caution annunciation panel indicates a hazardous condition requiring immediate corrective action?

The message that signifies a hazardous condition requiring immediate corrective action is the "Warning" indication on the annunciation panel. A "Warning" message alerts the flight crew to a serious condition that could lead to an emergency situation if not addressed promptly. This type of notification generally indicates that an immediate response is necessary to prevent potential hazards, such as system failures or unsafe flight conditions.

In contrast, the other messages serve different purposes. For instance, "Caution" messages indicate less severe problems that still require attention but may not require immediate action. "Advisory" messages provide useful information that can assist the crew, but they pertain to non-critical issues. Lastly, "Information" messages relay data that may enhance situational awareness without implying a threat or need for immediate action. Understanding the distinctions among these messages is essential for effectively managing the aircraft's systems and ensuring safety during operations.