‘Automatic headlights’ don’t work in fog?

[u/clynchy97]

About 40-50% of the cars we passed on the road today had no headlights on or only had the dim side lights. Do automatic lights not work in fog for these modern cars? Seems super sketchy

[u/ShelbyVNT]

There is also the possibility that the automatic lights are turned off. Every car I've ever drove with automatic lights had a switch setting for auto. Turn them off and the lights stay off. Then they might forget they have to turn them on.

[u/bigbear_mouse → u/ShelbyVNT]

I have a 23 pug and you can't turn off the headlights/drl, the "off" setting is the "auto". You have one setting to dim DRL and turn on tail lights that won't turn the beams on, but that's it. There is also a configuration unique to the auto mode, that is the dash light NOT dimmed and head/rear lights on, usually it is what turns on when driving through fog. At least in my car it usually works because it is clear that the auto rain/wipers works together with the auto lights sensor (when it is a bright raining day and everything is on auto, the lights turn on along with the wipers).