Question When parked on the side of a road, you should: Answers Activate your emergency flashers. Turn off all lights. Open the driver’s side door. Stand in the roadway and wave your arms. Explanation If you must stop on the side of the road, you should turn on your emergency flashers to alert other road users. This is particularly important at night. Take a FREE Practice Test Now This questions appears in the following tests: Massachusetts Knowledge Test Class B ,