What lights should be turned on when a car enters a tunnel?

1 Answers
CeciliaMarie
07/30/25 7:18am
When entering a tunnel, a car should turn on the contour lights and low beam headlights. Below is more information about turning on the lights after entering a tunnel: 1. Contour lights: Because the light outside the tunnel during the day is strong and glaring, while the light inside the tunnel is relatively weak, there is a period of eye adaptation when entering the tunnel. During this process, the driver can easily affect their judgment of road conditions. Turning on the lights can help the driver observe the road conditions and also alert other vehicles. 2. Low beam headlights: When entering a tunnel, low beam headlights should be turned on to provide close-range illumination. This allows the driver to see other vehicles and the conditions inside the tunnel, and also enables vehicles behind to see the vehicle in front. Driving in a tunnel without turning on the lights poses certain safety hazards.
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