Your headlights might stay on even when the key is removed from the ignition and the switch is off because this is a safety feature in the 1999 Dodge Neon. You can use your vehicle's manual to find out how to turn off this feature if it bothers you. The lights should shut off after a few minutes.
A headlight leveling system adjusts the vertical aim of the headlights based on the position of the rear suspension. As you load the trunk of a car, bed of a truck, etc. the suspension is compressed to allow the vehicle to ride smoothly. This causes traditional headlights to aim higher. A headlight leveling system lowers the headlight beam to compensate for this allowing the driver to see the road clearly without blinding oncoming traffic.
either a blown fuse or bad headlight switch
usually the headlights have a fusible link near the battery but check for power to the highbeam switch and headlight switch first.
As time passes, driving your car causes damage to your headlight lense. With constant dirt and rocks hitting them it not only causes a "haze" on the headlights but it reduces quality and the look of your car.But you dont have to replace your headlights.you can purchase "crystal view" a headlight restoration kit at wal-mart,k-mart or any auto parts store. it takes about 5 minutes each headlight but the time is worth it.
Your headlight is leaking, allowing water to enter the lens. when it is on water will burn out the bulb.
Check your owners manual to see how to fix your headlights. If you do not see an answer you could check with your local dealer.
I have a 2002 Chrysler Sebring convertible. If you turn off the ignition and remove the key while the headlights are on, then turn off the headlights, the headlights will stay on for 30 seconds and turn off. You can avoid this by turning the lights off before you turn off the car or by switching them on and off again.
Typically this happens when you turn the car off and the keys are still in the ignition.
It's possible that the fact that it's light or dark has nothing to do with your headlight working or not working. Look into other causes of the problem: Such as: Is is wet outside?, How about overheating of the components surrounding your headlights?
what causes 2003 corvette headlight to not go down
They're supposed to do that. Imagine you need the headlights on at the scene of an accident, or to open your garage door, for example. You don't want to leave the key in the ignition because the car might auto-lock with your keys in it, or you might need the keys for your garage. The problem with GVs is that they don't have a periodic "your lights are still on" warning/reminder sound, the way just about every other car does.
Headlights that serve as a high and low beam have two different filiments in them. The low beam filiment is most likely burnt out. Time to replace it.