With the formation of Fiat Chrysler Automobiles now complete, the stylized letters FCA as a logo now are appearing everywhere — from the corporate websites to Twitter accounts to the sign to the sign outside Chrysler's headquarters in Auburn Hills, Mich., reports the "Detroit Free Press." The Pentastar, meanwhile, is largely being phased out — a move that has angered Chrysler fans and has spawned a Facebook page and a petition drive to save it.