General Motors (GM -0.17%) unveiled its all-new Cadillac Escalade in New York City Monday night, and our "Motor Money" team of John Rosevear and Rex Moore was there.

In this segment of a multipart series, John and Rex go under the hood and talk with GM's top designer, Ed Welburn, about the challenges of constantly improving a high-end product like the Escalade. (Watch the entire "Motor Money" show here.)