Drivers in L.A. take their rules of the road seriously. Especially when they're stuck in traffic. According to "Tips for Driving in Los Angeles" on About.com: "Honking simply because traffic isn't moving just identifies you as a tourist (or transplant). Don't do it."
Despite a number of hopeful notes in the continuing turnaround at General Motors, the automaker's North American ops are still dealing with the same problems.