Which signal indicates a disabled vehicle?

The signal that indicates a disabled vehicle is Signal 37. This is specifically used within law enforcement communication to alert other officers and dispatch about a vehicle that is no longer operational, which helps in coordinating assistance and ensuring the safety of the location.

This signal is vital for effective traffic management as it prompts officers to be aware of potential hazards on the road and to assist in clearing the area when necessary. Knowing such signals allows officers to respond appropriately to situations involving disabled vehicles, ensuring safety for the drivers and the general public.

The other signals listed are used for different purposes within law enforcement communication, which is why they do not pertain to the indication of a disabled vehicle.