Fog Lights Explained

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A thick fog can make driving conditions dangerous. If you’ve ever struggled to see oncoming traffic or hazards on the road due to weather conditions, find out how fog lights can improve your vision and keep you safe. Use a free VIN lookup to find the best bulb replacement options to maintain this essential safety component on your favorite make and model of vehicle.

How To Use Fog Lights

Fog is caused by water or ice suspended in the air. Similar to a cloud, this dense, moist environment obscures your vision and makes it difficult to see. Because it’s made of water or ice, your standard headlights can be reflected back, making it difficult to cut through the moisture. A new headlight bulb may help if you have dim, burned-out bulbs, but in most situations, you need fog lights.

These special lights sit lower in your vehicle, typically 18 inches or less from the ground. Most fog doesn’t stay that low, so your fog lights can illuminate the road in front of you without being reflected too much. Try it out next time you’re driving and see if this low-level lighting can cut through the dense atmosphere and provide you with a longer or wider field of vision.

Fog lights can vary in color and size. Most are the same color as headlights, but some manufacturers and aftermarket options are yellow. Yellow lighting is thought to penetrate the thick atmosphere better than white light, but there is little scientific evidence of this.

Why Use Fog Lights?

Many off-road vehicles, large trucks and other vehicles install additional aftermarket driving lights to attempt to improve visibility. While low-light conditions can be improved by these aftermarket lights, they typically won’t improve your vision in cloudy, foggy situations.

This is because of the placement aftermarket lights. These lights are typically installed above your standard headlights, rather than below. This high angle will reflect far more light in the foggy conditions.

Inspect your lights before driving in a low-visibility situation. Be sure both your bulbs are working properly and that they are pointed in the correct location. If your vehicle doesn’t have factory-installed fog lighting, consider choosing an aftermarket option that is mountable low to the ground.

Replacing Your Lights

Look for affordable replacement bulbs to restore a damaged driving light. Be sure to shop for a bulb that fits your make and model of vehicle, and consider choosing LED for long-lasting illumination. Replacement bulbs are a great way to maintain your vehicle and stay safe in difficult weather conditions. Check the size, shape and other design features when selecting the best replacement bulb. While there’s nothing wrong with yellow lighting, there is little evidence these bulbs perform better or worse than white bulbs.

Take time to inspect your headlights and fog lights before driving into the thick atmosphere. Remember to give your fog lights a try to see how they handle low-visibility situations. For more information on lighting, how to replace a headlight and aftermarket options, visit your local auto parts store or research automotive lighting online.

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