Front fog lights provide a wide, bar-shaped beam of light with a sharp cutoff at the top, and are generally aimed and mounted low.
Fog lights may be either white or selective yellow. They are intended for use at low speed to increase the illumination directed towards the road surface
and verges in conditions of poor visibility due to rain, fog, and dust or snow.
Fog lights are often most effectively used in place of dipped-beam headlamps, reducing the glareback from fog or falling snow,
although the legality varies by jurisdiction of using front fog lamps without low beam headlamps.
Fog lights usually don't come standard on some cars, those that do have an edge on safety and visibility.
When driving in adverse conditions such as snow, sleet, intense rains, deep set fogs, you will appreciate your inversment in your fog lights taht help secure your safety and visibility.
Fog lights lighting sources include amber, blue, HID-style - halogen light bulbs.