The silver base of gear selector is chipping leaving sharp plastic edges causing pain to right thumb and repeated punctures with bleeding when operating the gear selector. Ford dealer and corporate report this repair is not covered under warranty since 3 year/36,000-mile warranty has expired. The issue became known at 4.5 years/ 32,519 miles. Ford previously had a service bulletin to repair the window lever buttons for the same issue at no cost to the owner. This issue is more dangerous because it involves gear selection which may impact safety when operating the vehicle.