When must you use your turn signal?

• When changing lanes
• When turning at an intersection or into a driveway
• When pulling away or over to the curb or roadside
• All of the above
  Explanation:

  "You must signal in the following situations: 1. When changing lanes 2. When turning at an intersection or into a driveway 3. When pulling away from a curb 4. When pulling over to the side of the road 5. When entering or exiting an expressway or a freeway."