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Second-generation laser-marking technology (SGL) has proven to be a viable alternative to printed and adhesive labels for automotive products made from thermoplastic resins. Whether used for interior or underhood applications, virtually any thermoplastic automotive component that has a marking on it can be improved with this technology. Permanent, complex markings can be created that contain greater amounts of information on surfaces with complex curves. Furthermore, products now can be marked at any time in the manufacturing process, including at or near shipping, in a variety of languages and/or with indexed information to assist inventory control for automotive OEMs or suppliers. This technology helps reduce scrap rates due to poor printing or misplaced labels, and does not detract from the recycling of thermoplastic products. The greatest benefits of SGL are derived when the technology is used by design engineers early in the concept and planning stages of new product development.

Automotive design engineers consistently are presented with challenges in the decorating, labeling, marking, and/or coding of automotive components made from thermoplastic and thermoset polymer materials. Exterior components, such as fascias; interior components, like plastic console buttons and radio panels; and underhood components, such as covers for fuse busses and fluid reservoirs, can present production and performance challenges because of the difficulties associated with making decorative or informational marks on them that maintain durability during the expected life of a vehicle. Many of these parts are small, yet represent a disproportionate design and production cost, incurred through the development and implementation of procedures used for marking them. The automotive industry has used improved techniques, such as laser marking technology, in its attempts to inscribe more permanent and comprehensive markings on critical parts.