When driving in fog, drivers should use: 2025 Maryland Permit Test Question When driving in fog, drivers should use: Answers High beam headlights. Low beam headlights. Parking lights. No lights. Explanation If you must drive during fog, turn on the low beam headlights. Reduce your driving speed and be alert for taillights of the vehicle in front of you. See the exact questions that will be on the 2025 Maryland DMV exam. 99.2% of people who use the cheat sheet pass the FIRST TIME Click HereFull Cheat Sheet Unlock Your Exclusive Cheat Sheet! This questions appears in the following tests: North Carolina Practice Test 23