Question If you are driving so slowly that you could impede other vehicles, you should: Answers Stay in the left lane. Drive with your emergency flashers activated. Not use any lights. Wave an arm out of your window. Explanation If you must drive slowly, you should use your emergency flashers to warn other drivers. Be sure that the use of emergency flashers is permitted by local laws. This questions appears in the following tests: Alabama Class B Knowledge Test Delaware Tank Florida Tank Maryland Class A Knowledge Test New Jersey Passenger North Carolina Double Pennsylvania HazMat Tennessee Double