New adhesive allows for bonding media to adhere with the ability to soften again during the molding process.
For many years, these pillars were painted the same color as the exterior of the car, and the rubber seal around the windows was clearly visible. On luxury cars, it became normal to hide these areas with injection-molded covers. As the safety harness arrived, stylists and design engineers chose to hide the inertia-reel and anchor points of the safety belts through the use of an injection-molded component.