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Daytime Running Lights

When vehicle headlights go out, normally a simple fuse or light bulb replacement can correct this issue. However there is a known problem where the headlamp assemblies, sockets and wiring are melting due to high heat and resistance in this...

Daytime running lights will come on and stay on all the time during the day and cannot be turned off unless the normal headlights are turned on. The daytime running lights should not stay on after the vehicle is turned...

I have lived and worked in 3 states. Each state's safety inspection required all lights be functioning to pass. I'm fairly certain that is consistent across all 50 states. It's possible that the mechanic took it to a friend who...

Hi there. For the daytime running lights to work properly, after installing the new CTM, you can try to remove the battery cables for about 10 minutes to reset the CTM. If you have already tried to reset the CTM...

It is possible that the electrical relay for the running lights, or the light switch itself, is stuck closed, or has burned contacts. A professional mechanic with good electrical diagnostic training, like YourMechanic, can diagnose this possible electrical issue (https://www.yourmechanic.com/services/electrical-components-are-not-working-inspection)...

The HID controller may be bad. HID lights actually need the controller to turn the 12 volt DC from your car battery into 3 phase high voltage ac power. If it is not working correctly, the lights will not work....

Some models are equipped with a supplemental daytime running light system. Essentially, this system turns on the headlights at a dimmer setting than what’s used at night to provide visibility for other drivers during the day. It’s particularly helpful for...

Your car is equipped with headlights that should be used when driving at night, as well as in many other situations when ambient light is low or visibility is obscured (when it’s raining, in fog, when it’s misting, etc.). Of...

Basically, daytime running lights, or (DRL) (https://www.yourmechanic.com/article/what-are-daytime-running-lights) as they may be listed, are your vehicle's low beam headlights that are on during daytime driving. By having them on they increase the visibility of your vehicle on the highway, much like...

Basically, daytime running lights, or (DRL) (https://www.yourmechanic.com/article/what-are-daytime-running-lights) as they may be listed, are your vehicle's low beam headlights that are on during daytime driving. By having them on they increase the visibility of your vehicle on the highway, much like...

If your car is equipped with Daytime Running Lights (not available on all Fusions), they provide substantially better visibility during daytime driving. Unlike your headlights, the Daytime Running Lights are designed to make your car more visible to other drivers...

Hello. The daytime running lights are not supposed to function at the same time as the headlights. The daytime running lights are only supposed to come on during the day, to provide additional visibility for daytime driving, independently of the...

There is a technical service bulletin (TSB) for this issue that states the daytime running lamp thumb wheel may get switched off by mistake. Check to make sure the thumb wheel is in the corrector position. It is located next...

Yes, your daytime running lights are actually part of your lighting system when all lights are on. Depending on the make and model of your car, the main difference is that the main headlights and tail lights will be off...

Hello there, a few different faults can cause the daytime running lights to stay on. The most likely would be the headlight switch (https://www.yourmechanic.com/services/headlight-switch-replacement), DRL relay (https://www.yourmechanic.com/services/fog-light-relay-replacement), or a wiring issue. Have a certified technician, such as one from YourMechanic,...

It sounds like you may have a bad brake light switch. But that's a common issue on these models with brake light not working, is the bulb socket contacts (aluminum) in the housing burn up. Remove the brake light bulb...

Daytime running lights (DRL) are an automatic system that turn on when the vehicle is turned on and in motion. The purpose of daytime running lights are to make the vehicle more visible during daylight hours and to alert other...

Basically, daytime running lights, or (DRL) (https://www.yourmechanic.com/article/what-are-daytime-running-lights) as they may be listed, are your vehicle's low beam headlights that are on during daytime driving. By having them on they increase the visibility of your vehicle on the highway, much like...

Basically, daytime running lights, or (DRL) (https://www.yourmechanic.com/article/what-are-daytime-running-lights) as they may be listed, are your vehicle's low beam headlights that are on during daytime driving. By having them on they increase the visibility of your vehicle on the highway, much like...

Basically, daytime running lights, or (DRL) (https://www.yourmechanic.com/article/what-are-daytime-running-lights) as they may be listed, are your vehicle's low beam headlights that are on during daytime driving. By having them on they increase the visibility of your vehicle on the highway, much like...