When driving through fog, a driver should: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question When driving through fog, a driver should: Answers Use their high beam headlights. Slow down. Turn off their headlights. Drive on the shoulder. Explanation Driving in fog is very dangerous and should be avoided if at all possible. If you must drive in fog, you should drive as slowly as necessary. Use your headlights on the low beam setting.