What are the laws about fog lights?

In North Carolina, drivers are allowed to use fog lights for better visibility in limited circumstances. If the fog lights are used too often, they can be a safety hazard, so there are laws to regulate their use. When activating the fog lights, they must be turned on in relation to the lighting conditions. For example, they must be turned off if visibility increases to 500 feet or more. Moreover, the fog lights can only be used during times of restricted visibility, such as during rain, snow, fog, or smoke. Furthermore, fog lights in North Carolina are limited to be mounted 6 inches to 12 inches below the headlight of a vehicle. Any higher or lower than that is illegal. It is also illegal to have red or blue fog lights. North Carolina also has laws regarding when to turn your fog lights off. It is illegal to have the fog lights on when it is not necessary. If it is raining or snowing, you must extinguish them when the visibility increases to 500 feet. If it is foggy, you must turn them off when the sun visibly begins to brighten the sky. Finally, the laws state that you must always use your headlights when your fog lights are activated. Fog lights alone do not provide enough visibility and must be used in conjunction with headlights to be legal in North Carolina.

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