1. Come to a complete stop, then yield to the white car. The driver of the blue car should yield the right-of-way because he's turning left, while the white car is going straight.
The blue car approaches a four-way stop at the same time as the white car. The driver of the blue car should come to a complete stop, then yield to the white car. The driver of the blue car should yield the right-of-way because he's turning left, while the white car is going straight.