Fog lights are usually a factory option, and provide great auxiliary lighting to complement the headlights. Fog lights are especially useful in adverse conditions such as rain, snow, and fog, when visibility is significantly reduced. Fog lights mount to factory predetermined areas on the bumper where they look the best and do not sacrifice aerodynamics. Replacement or upgrade fog light to enhance your vehicle's appearance Item Specification   Color: Smoke Lens Beam Type: Reflector Lamp Type: LED LED Color: White Switch Included: Yes OEM Part Numbers: GM2593160, GM2592160, GM1038187, GM1039187 Compatible with: 15-18 GMC Yukon & Yukon XL Why DNA Motoring fog lights? Easy Installation Plug-n-play Operation, Direct Bolt-on OE Fitment or Replacement for the Stock Unit. Note: ​Installation instruction is not included. Professional installer is highly recommended! Importance of fog light Safety Accurate light scattering - they provide better visibility of nighttime, heavy rain, snow, or dense fog visibility. In such a case, the driver should turn off the head lights and turn on the fog lights. If you often drive on such roads, this may mean a major improvement in safety. We do not forget, they look cool! Style Accommodation - Use this type of taillights to enhance the look and feel of your vehicle and to provide more lessons. Finer replacement - This product is used to replace your OE lights, the brightness is significantly enhanced, play a better reminder role. High Quality of DNA Our professional technicians do heavy research and development in testing car applications and fitments for our products. We also do rigorous testing on the strength, durability, as well as longevity of the material in order to make sure when the product arrives at the consumers end that it’s ready to go without worries.