Headliner assembly having a reinforcement member and subcomponent routing aid

A headliner assembly for covering an inner surface of an automotive vehicle roof having an opening is provided. The headliner assembly includes a dimensionally stable substrate having an upper surface facing the inner surface of the roof, and an opposite lower surface. The substrate is secured to the opening of the roof at an attachment point. A reinforcement member having a top surface and an opposite bottom surface fixedly secured to the top surface of the substrate. The reinforcement member is disposed adjacent the attachment point to provide additional rigidity to a region of the substrate surrounding the attachment point.