What are you required to do according to the following road sign?

1. Enter the roundabout carefully since you have right-of-way.
2. Pay attention to traffic coming from your right within the roundabout.
3. Stop before entering the roundabout and cross it quickly.
4. Correct answer: Slow down before the roundabout.

WhyA triangle with arrows in a circle warns of a roundabout ahead. Slow down and be ready to stop: at the entry you give way to those already in the roundabout, not the other way round.