2024 AR DMV Practice Test 19 Based on 2024 AR Driver's Handbook 2. You should use your horn when: A It may help prevent a collision B Another vehicle is in your way C Another driver makes a mistake Next More 2/30 Progress 0 Errors Restart Next Next AR Permit Practice Test 19 Back to Test List AR Permit Practice Test 18 AR Permit Practice Test 20 Challenge Library 12 More AR DMV Practice Tests 1 AR Permit Practice Test 1 2 AR Permit Practice Test 2 3 AR Permit Practice Test 3 4 AR Permit Practice Test 4 5 AR Permit Practice Test 5 6 AR Permit Practice Test 6 7 AR Permit Practice Test 7 8 AR Permit Practice Test 8 20 AR Permit Practice Test 20 21 AR Permit Practice Test 21