You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract GM to Return to the Super Bowl in 2014 Buys Commercial Time in Conjunction With Launch of 12 Chevy Models By Jeanine Poggi, Published on August 23, 2013 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.