Panneaux routiers

A yellow diamond showing three curved arrows forming a circle means:

Panneau routier de Île-du-Prince-Édouard — Roundabout ahead — yield to traffic already in the circle
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Bonne réponse : A. Roundabout ahead — yield to traffic already in the circle

Failing to yield on entry is the top cause of roundabout crashes — the sign asks for preparation, not reaction.