When turning left, turning right, making a U-turn, driving slowly, stopping, backing up, or changing course while proceeding in the same direction, the driver of a vehicle (other than a light road vehicle that is not a bicycle; the same applies in paragraphs (2) and (4)) must signal by hand, turn signal, or turn light, and must continue to signal until the action is completed.
Notwithstanding the preceding paragraph, when leaving a roundabout or when slowing down, stopping, or backing up in a roundabout, the driver of a vehicle in the roundabout must signal by hand, turn signal, or turn light and must continue to give the signal until the action is completed.
Cabinet Order provides for the necessary particulars as regards when and how to signal as referred to in the preceding two paragraphs.
前二項の合図を行う時期及び合図の方法について必要な事項は、政令で定める。
Having completed an action provided for in paragraph (1) or (2), the driver of a vehicle must stop signaling; the driver of a vehicle must not signal if not taking the action for which one of those paragraphs prescribes that signal.