Question You should use your horn: Answers Whenever it may help prevent a collision. To get other drivers moving in a traffic jam. When you're angry with another driver. If you are saying hello to a fellow driver. Explanation Drivers cannot see you unless they are looking your way. Your horn may get their attention. Use it whenever it will help prevent a collision. Pass your DMV Written Test with flying colors Take me to the cheat sheet Maine This questions appears in the following tests: Maine Practice Test 10 Maine Practice Test 38