Question You should use your horn when: Answers Another vehicle is in your way. It may help prevent a collision. Another driver makes a mistake. Explanation Only use your horn when it is necessary to avoid collisions. Do not use your horn if a driver or bicyclist is moving slowly and you want him or her to drive faster or get out of your way. Pass your DMV Written Test with flying colors Take me to the cheat sheet California This questions appears in the following tests: New Mexico Practice Test 4 South Carolina Practice Test 22 Alabama Practice Test 20 Alabama Practice Test 20 Arizona Practice Test 8 Arizona Practice Test 9 Arkansas Practice Test 20 California Practice Test 40 California Practice Test 4 California Practice Test 10 Connecticut Practice Test 9 Delaware Practice Test 8 District Of Columbia Practice Test 11 Georgia Practice Test 39 Illinois Practice Test 19 Kansas Practice Test 25 Kansas Practice Test 10 Kentucky Practice Test 35 Kentucky Practice Test 39 Kentucky Practice Test 26 Maine Practice Test 5 Maryland Practice Test 1 Mississippi Practice Test 10 Mississippi Practice Test 10 New Mexico Practice Test 21 Oklahoma Practice Test 14 Oklahoma Practice Test 6 Rhode Island Practice Test 15 South Carolina Practice Test 7 South Dakota Practice Test 13 South Dakota Practice Test 2 Tennessee Practice Test 25 Tennessee Practice Test 14 Wisconsin Practice Test 24 Wisconsin Practice Test 31 Wyoming Practice Test 38