Final answer:
When you see a road sign indicating you may turn in the direction of an arrow if the way is clear, you should ensure there is no oncoming traffic or hazards before proceeding with the turn.
Step-by-step explanation:
When you encounter a road sign that says, "May turn in direction of arrow, if way is CLEAR", the correct action is to turn in the direction of the arrow if the way is clear. This means you should ensure there is no oncoming traffic or other hazards in your path before proceeding with the turn. It is essential to yield the right-of-way to all oncoming traffic before making your turn.