When a center left turn lane is provided for vehicles traveling in both directions, what should you do before making a left turn?

• Proceed quickly to avoid traffic behind you.
• Use extreme caution and watch for vehicles from the opposite direction entering the center left turn lane.
  Explanation:

  "When a turning lane is provided for vehicles traveling in both directions, you should use extreme caution before ending the lane to make a left turn. There may be a vehicle traveling in the opposite direction also entering the turning lane to make a left turn."
• Use your left turn signal only after entering the center left turn lane.
• Assume there are no other vehicles and proceed without looking.