Daytime running lights (DRLs) are lights on vehicles that remain on during daylight hours to increase visibility. They are standard on many vehicles and required by law in some regions. Studies show they improve safety, but some have raised concerns about visibility for motorcyclists and potential hazards in substandard conditions.
A daytime running light (DRL) is a light on a motor vehicle that remains illuminated when the vehicle is on, day or night, providing more visibility during daylight hours when the lights are turned off. The lights usually come on when people release the parking brakes in preparation to drive. Such lights are standard on many vehicles and are required by law in some regions. Drivers unsure about the legal status of daytime running lights can consult a police officer or vehicle regional code for more information.
Depending on the design, the lamps can be integrated into the headlamps or installed in the headlamp assembly. They are only present at the front of the vehicle, unlike the running lights associated with headlamps in a low position, which illuminate at the sides of the car and at the rear. Studies by a number of safety organizations show a significant safety benefit from the use of daytime running lamps, particularly in areas with dark days, such as Russia and Scandinavia.
In response to safety studies, some areas have required the installation of such devices in new vehicles with the aim of reducing traffic accidents. In other areas, they are legally allowed, but not required, and motorists can choose whether to use them. Power consumption with a daytime running light is typically very low to reduce stress on the vehicle’s electrical system, and the lights are low-profile to limit glare problems. When mounted as part of a headlamp, they can also be adjusted if there are concerns about light pollution or other issues.
New cars often come standard with this lighting. It is possible to disconnect the circuit if a driver feels strongly about a daytime running light. Conversely, conversation kits can be purchased to increase visibility by installing additional lights on the vehicle to make it easier to spot during the day. This is especially recommended for pale cars in foggy and low light conditions, as they tend to visually melt and can be difficult for other drivers to see.
Some groups have raised concerns about daytime running lights, including motorcyclists concerned about visibility, as motorcycles have historically been the only vehicles on the road with daytime running lights. Others have noted that people may rely on daytime running lamp illumination in marginal conditions when they would normally have their headlights in a low position, meaning not illuminating the lights at the rear of the vehicle and potentially creating a hazard. of rear-end collisions in substandard conditions. visibility.
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