When parked on the side of the road, you should: Question When parked on the side of the road, you should: Answers Use only the rear flashing lights. Use one set of turn signals. Use your high beam headlights. Use your four-way flashers. Explanation Always turn on your four-way emergency flashers if you must park on the side of the road. This is especially important when traveling at night. This questions appears in the following tests: District Of Columbia Class B Knowledge Test District Of Columbia Passenger Florida Class B Knowledge Test Florida Double Georgia Tank Kansas Class A Knowledge Test Kansas Double Minnesota Bus Mississippi Class A Knowledge Test Montana Class B Knowledge Test Montana Double New Jersey Double South Carolina Class A Knowledge Test Tennessee Class A Knowledge Test Wyoming Class A Knowledge Test