When driving in heavy fog, turn on fog lights, sidelights, and front and rear position lights, and lightly press the brake pedal to slow down.

ANSWER · A

According to article 81 of the "Road Traffic Safety Law of the People's Republic of China", when driving on expressways in low-visibility weather such as fog, rain, snow, sandstorms, and hail: (1) When visibility is less than 200 meters, turn on the fog lights, low beams, sidelights, and front and rear position lights; speed shall not exceed 60 km/h, and stay at least 100 meters behind the vehicle ahead in the same lane; (2) When visibility is less than 100 meters, also turn on hazard flashers; speed shall not exceed 40 km/h, and stay at least 50 meters behind; (3) When visibility is less than 50 meters, with the same lights on, speed shall not exceed 20 km/h. Exit the expressway at the nearest exit as soon as possible.

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