CONTROLS - Dash Switches Lights, Exterior Lights Self Test Lights, Fog WARNING Do not use daytime running lights (DRL) during periods of darkness or reduced visibility. Do not use DRL as a substitute for headlights or other lights during operations that require lighting of your vehicle. Failure to comply may result in death, personal injury, equip- ment or property damage. 3 This switch will begin a sequence of turning on and off exterior lights so that the operator can verify functionality. Related concepts Related tasks Turn switch on for Fog Lights. NOTE If the headlight switch is turned OFF, the DRL system engages automatically after the engine starts and you release the parking brake.
If the headlight switch is ON, the DRL system is overridden, and headlights operate normally. Also, during engine cranking the DRL is temporarily turned off. Across the U.S.A. and Canada, State/ Provincial requirements vary as to when high beams and fog lights can and cannot be used together. Some states allow only four lights to be used together, while some allow more. How your lights are arranged will affect whether you can operate headlights and fog lights concurrently always comply with the state or provincial re- quirements where you are driving. Lights, Flood Turn switch on for cab mounted Flood Lights.
Lights, Dome Lights, Flood (Spare) Lights, Hazard Turn switch on for Cab Dome Lights. Turn switch on for trailer mounted Flood Lights. 98 Y53-6047-2HEN (03/18)