2024 SC DMV Practice Test 5 Based on 2024 SC Driver's Handbook 12. You should use your horn when: A Another vehicle is in your way B It may help prevent a collision C Another driver makes a mistake Next More 12/30 Progress 0 Errors Restart Next Next SC Permit Practice Test 5 Back to Test List SC Permit Practice Test 4 SC Permit Practice Test 6 Challenge Library 12 More SC DMV Practice Tests 6 SC Permit Practice Test 6 7 SC Permit Practice Test 7 8 SC Permit Practice Test 8 9 SC Permit Practice Test 9 10 SC Permit Practice Test 10 11 SC Permit Practice Test 11 12 SC Permit Practice Test 12 13 SC Permit Practice Test 13 14 SC Permit Practice Test 14 15 SC Permit Practice Test 15