Question If another car is in danger of hitting you, you should: Answers Sound your horn. Wave your arms. Use your emergency lights. Flash your headlights. Explanation Your horn should be used to warn other drivers or pedestrians in situations where they may not see you. For example, if you think another driver is about to hit you, you should sound your horn. Pass your DMV Written Test with flying colors Take me to the cheat sheet Pennsylvania This questions appears in the following tests: Alaska Practice Test 8 District Of Columbia Practice Test 16 Florida Practice Test 20 Florida Practice Test 10 Hawaii Practice Test 29 Idaho Practice Test 20 Indiana Practice Test 8 Indiana Practice Test 38 Iowa Practice Test 7 Louisiana Practice Test 23 Louisiana Practice Test 6 Maine Practice Test 27 Massachusetts Practice Test 9 Michigan Practice Test 10 Michigan Practice Test 8 Minnesota Practice Test 8 Minnesota Practice Test 13 Missouri Practice Test 4 Montana Practice Test 31 Nebraska Practice Test 12 Nevada Practice Test 41 Nevada Practice Test 23 New Hampshire Practice Test 16 New Hampshire Practice Test 16 New Jersey Practice Test 4 New Jersey Practice Test 12 North Carolina Practice Test 7 Ohio Practice Test 6 Oklahoma Practice Test 6 Oregon Practice Test 11 Pennsylvania Practice Test 9 Pennsylvania Practice Test 14 South Carolina Practice Test 16 Texas Practice Test 30 Utah Practice Test 15 Vermont Practice Test 5 Virginia Practice Test 35 West Virginia Practice Test 23 Wisconsin Practice Test 30