In NSW, you are approaching an intersection where you want to turn right, but your view of oncoming traffic is blocked by other vehicles. What should you do?

1. Proceed slowly into the intersection until you can see
2. Wait for a gap you can see clearly, then proceed quickly
3. Move forward only until you can see clearly into the intersection, then wait for a safe gap before completing the turn
4. Sound your horn to alert oncoming traffic and proceed