单选题 · 选择一个答案
Before moving out to pass another vehicle, you must signal for at least 3 seconds. True or false?
驶出原车道超车前，必须至少提前 3 秒打转向灯。正确还是错误？
True. Signal for at least three seconds before moving out to pass.
正确。驶出原车道超车前，应至少提前 3 秒示意。
阅读相关知识
A signal gives notice, not priority. Check behind and in blind spots, and ensure the route, visibility and space allow a lawful, safe pass.
打转向灯是告诉他人你的意图，不会赋予你超车优先权。仍须观察后方和盲区，确认路线、视距及安全空间允许超车。