Question When driving at night, slow down and: Answers Use high beams whenever there are no oncoming vehicles. Use sunglasses to reduce glare from headlights. Use your high beams if it is also raining. Use your dome light to help you see your speedometer. Explanation By law, your vehicle’s headlights must be turned on from a half hour after sunset until a half hour before sunrise. You should use your high beams whenever there are no oncoming vehicles. Pass your DMV Written Test with flying colors Take me to the cheat sheet Washington This questions appears in the following tests: Washington Practice Test 17 Washington Practice Test 24