Which lights should be on when you drive through fog like this?
Correct answer: Low-beam headlights.
Answer options
AFog lights alone, with the headlights off
BHigh-beam headlights
CLow-beam headlights Correct
Why
Fog scatters strong light, so high beams bounce back toward you as glare and make the road harder to see. Low beams are aimed lower and light the pavement with far less reflection, which makes them the right choice in fog.