Headlights are often overlooked as part of the emergency warning lighting system. Headlights should be used while______________?

Emergency warning lights are often overlooked in busy high traffic areas. Headlights can make a difference when safety counts.  Even during daylight hours headlights increase the chances that the ambulance will be seen.  Some headlights are wired to flash when the other emergency warning lights are on which enhances the distance downrange the ambulance can be seen.