Question When driving in fog, you should use your: Answers Fog lights only. High beams. Low beams. Explanation It is best to postpone driving until a fog clears. However, if you must drive in the fog, you should do so slowly and use your windshield wipers and low beam headlights. Pass your DMV Written Test with flying colors Take me to the cheat sheet California This questions appears in the following tests: California Practice Test 34 California Practice Test 3