Headlights are on a relay. It may have fused shut. The relay maybe in with the fuses. Some have a delay going off which may have failed.
They as designed to "dim" when headlights are on to reduce "glare" try adjusting dash dimmer switch
loose bulbs
check the headlight/multifunction switch
Your headlights turn off when you turn the high beams on because you have a defective switch. You need to have a mechanic replace the high beams switch. It is a simple replacement.
They stay on cause they runnin off the battery. there should be a car headlights switch somewhere by your spedometer stuff...
Replace your headlamp switch.
they turn on with the windshield wiper switch
It could be a fuse, a relay the switch
if you've tried hitting the high/low beam switch & headlights are out on both, then a bad headlight switch or headlight switch plug or high/low beam switch plug not fully engaged.
You cant
check dimmer switch for headlights
To turn off the headlights in a Ford Explorer, locate the headlight switch on the left side of the steering wheel. Turn the switch to the "Off" position. If your vehicle has an automatic headlight feature, ensure that the vehicle is in the "Off" position or the engine is turned off, as the headlights may turn off automatically after a short period. If needed, you can also adjust the settings in the vehicle’s menu for more control.