The three shields are the logo of Buick. The logo of Buick is a circle containing three shields of different colors arranged obliquely together. The three shields respectively represent three types of cars in the Buick camp in 196: Electra, Lesabre and Invicta. Buick is a brand owned by General Motors, which was founded in Detroit, Michigan in 19. Its models include: Buick Apollo, Buick Knight, Buick Excelle, Buick GL8, Buick LaCrosse, Buick Regal, Royaum and Buick Hideo GT.