What is the small light below the car headlight called?

[VanVivian]

The small light below the car headlight is called the fog light. Here is some knowledge about fog lights: 1. Fog lights are turned on during rainy or foggy weather. Their light has strong penetration, reducing the adverse effects on driving visibility in complex weather conditions. 2. The front fog light is the small light below the headlight, and its color should be white or yellow, with a height from the ground of no less than 250mm. Cars must be equipped with 1-2 rear fog lights. If only one rear fog light is installed, it should be placed on the left side of the vehicle's forward direction, with a height from the ground of no less than 250mm but no more than 1000mm; the rear fog light must be red. 3. Fog lights are usually independently set on a convenient part of the dashboard for easy operation. Some cars can turn on the small light when the fog light is activated, but the fog light remains unaffected when the small light is turned on.