The Chevy Impala has moved from the bottom of Consumer Reports’ rankings to the top spot overall for all sedans. Daimler announces it’s taking a small stake in Aston Martin in exchange for sharing engines and other components. In an all-new Design Handbook, Jim Hall explains why gas caps are located on both sides of the vehicle. All that and more, plus guest host Peter De Lorenzo shares his thoughts on why Cadillac needs to do more to define the brand.