單選題 · 選擇一個答案
Besides checking that it is safe, for at least how many seconds must you signal before moving out from the kerb into traffic?
除確認安全外，從路緣駛出匯入車流前，必須至少提前幾秒打轉向燈？
Signal for at least three seconds before moving out from the kerb.
從路緣匯入車流，至少提前3秒打轉向燈。
閱讀相關知識
Check mirrors, blind spots and the gap, and give way to traffic already in the lane. Other signalling situations have their own requirements.
同時檢查鏡子和盲點，並給原車道車輛讓行。該數字針對題述動作，不應忽略其他場景的具體示意規定。