Question When should you use your horn? Answers When you are saying hello to another driver. Whenever it may help prevent a collision. When you're angry with another driver. Explanation Other drivers may not know you are there unless they are looking in your direction. In a dangerous situation, your horn may get their attention. Sound your horn whenever it can help prevent a collision. Pass your DMV Written Test with flying colors Take me to the cheat sheet Kentucky This questions appears in the following tests: Kentucky Practice Test 38 Kentucky Practice Test 38