Elongate illuminated automotive design element, injection molded vehicle parts, and methods of manufacturing same

A method of making a vehicle grill, comprising:

• injection molding a clear main body comprising a grill mesh having a front side and a rear side, the clear main body being comprised of a light transmissive material;
• forming a three dimensional form on the rear side of the injection molded main body;
• coating a metallized coating on one or more portions of the three dimensional form on the rear side of the injection molded main body, wherein light passing through the clear main body is reflected off of the metallized coating;
• and
• overmolding a backing layer on the rear side of the injection molded main body, the three dimensional form, and the metallized coating, wherein the backing layer is comprised of a non-reflective material.