What should you do when moving from one lane to another?

• Ensure that a lane change is allowed, check the traffic, do a shoulder check, turn on the ‘turn’ signal lights, change lanes and then turn off the ‘turn’ signal lights.
  Explanation:

  "When moving from one lane to another, do the following: • Be sure a lane change is allowed. • Check for traffic by glancing in your interior and exterior rearview mirrors. • Check over your shoulder to be sure there are no vehicles or cyclists in your blind spots. • Turn on the proper ‘turn’ signal light. • If it’s safe, change lanes while maintaining your speed as much as possible. • Ensure your ‘turn’ signal light is turned off."
• Ensure that a lane change is allowed and then change lanes.
• Ensure that a lane change is allowed, check the traffic, and turn.
• Turn without checking anything.