I have my fog lights on.

我已经把雾灯打开了。

youdao

Don't worry. I have my fog lights on.

别担心。我已经把雾灯打开了。

youdao

When driving in fog, you should use your: fog lights only.

驾驶时，在雾，您应该使用：雾灯只。

youdao

Usually the scattering of energy is considered a nuisance -- whether driving in fog or poor reception from a cell phone tower -- and most techniques either try to avoid it (by turning on fog lights) or reduce the impact of scattering (by selecting energy for the phone only from direct paths).

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In 2012, Midnight Madness events often feature bright lights, fog machines, and performances by major recording artists.

FORBES: The Business of NCAA Basketball Midnight Madness

They say this is because the red warning lights aren't visible in fog or low cloud.

BBC: London helicopter crash: What are the rules for pilots?