Abstract: A grille control mechanism for a vehicle includes a movable member being switchable between an opened position for allowing air to flow into a radiator of the vehicle and a closed position for inhibiting the air from flowing into the radiator, an electric motor actuating the movable member, and a control device controlling an electric current to be supplied to the electric motor to execute an opening operation or a closing operation of the movable member in a case where an opening operation condition or a closing operation condition is satisfied, wherein the control device controlling the electric current to be intermittently supplied in response to one of the opening operation condition and the closing operation condition maintained until the other one of the opening operation condition and the closing operation condition is satisfied after the opening operation or the closing operation corresponding to the maintained operation condition is executed.