US Patent 7057528 Emergency vehicle warning system

A warning system for alerting the driver of a private vehicle that an emergency vehicle is approaching is disclosed. The system includes a receiver and a display panel mounted in the private vehicle, and at least two infrared receivers mounted on the private vehicle. The display panel mounted in the private vehicle including indicating devices that allow the driver of the private vehicle to know of the approaching emergency vehicle as well as the direction to move in order to yield the right of way to an approaching emergency vehicle.