Final answer:
Emergency flares are used to warn others of a disabled vehicle.
Step-by-step explanation:
The statement “Emergency flares are used to warn others of a disabled vehicle” is true.
Emergency flares are commonly used as a visual signal to alert other drivers and pedestrians about a disabled or stranded vehicle on the roadside. They are designed to emit bright, flaring light and are easily visible from a distance, especially in low light or nighttime conditions. By deploying emergency flares, drivers can effectively communicate the presence of a disabled vehicle and ensure their safety and the safety of others.