Mealey's (May 19, 2016, 9:52 AM EDT) -- ATLANTA — A trial court did not err when it partially granted a motion for class certification filed by two Cadillac owners who allege that General Motors Co. (GM) violated various laws when it used false safety rating stickers on the windows of certain sedans, the 11th Circuit U.S. Court of Appeals ruled May 17 (Geri Siano Carriuolo, et al. v. General Motors Company, No. 15-14442, 11th Cir.; 2016 U.S. App. LEXIS 8962)....