What should you do before turning left off a two-lane highway?

• Check your left shoulder to ensure no vehicle is passing you.
  Explanation:

  "Before making a left turn off a two-lane highway, always perform a left shoulder check to ensure no vehicle is attempting to pass you. This helps prevent collisions with vehicles overtaking from behind."
• Stop in the middle of the turn to safely clear the intersection.
• Activate your right turn signal to warn oncoming traffic.
• Slow down and pass oncoming traffic using the right-of-way.