Vehicle sun roof apparatus

Provided is a vehicle sun roof apparatus comprising: a movable panel (12) configured to open and close an opening section, a guide rail (14) provided at an edge portion of the opening section in the vehicle width direction, a sliding member (21) linked to an edge portion of the movable panel in the vehicle width direction and provided along the guide rail so as to be movable in the fore-and-aft direction of the vehicle, a check mechanism (40) configured to lock the movement of the movable panel, and an engagement and disengagement switching mechanism (50) provided with a first member (51) supported by either the sliding member or the edge portion of the movable panel in the vehicle width direction, and a second member (48) supported by the other one of the sliding member and the edge portion, and configured to engage the first member and the second member to each other so that the movable panel slides when the sliding member moves rearward of the vehicle thereafter.