An apparatus and method for a sunroof of a vehicle, including a pivot link pivotally coupled to a drive shoe, the pivot link having a first pivot pin configured to slide along a first guide channel of a guide block to control tilting of a movable panel as the drive shoe slides, a lift guide, and a check assembly including a mechanical lock. The mechanical lock includes an inner surface having a locking guide channel to guide a second pivot pin of the pivot link, the locking guide channel includes an upper guide portion. The pivot link is configured to pivot to a raised position to tilt the movable panel when the drive shoe is slid in the forward direction and becomes coupled to the lift guide by the check assembly. The upper guide portion engages the second pivot pin to lock the pivot link in the raised position.