Question When stopped on the side of the road, the driver should: Answers Keep their side door open. Turn on their emergency flashers. Wave their arms. Turn off all their lights. Explanation If you must stop on the side of the road, it is important to turn on your four-way emergency flashers to warn other road users. This questions appears in the following tests: District Of Columbia Double Illinois Class A Knowledge Test Minnesota HazMat Mississippi Class B Knowledge Test West Virginia Class B Knowledge Test Wyoming Class A Knowledge Test Wyoming Passenger