2008 Porsche Cayenne GTS - CNET News

Although the transmission might be a little low-tech, the engine and suspension make up for it. The air suspension features all sorts of tricks to morph the Cayenne GTS from high-clearance, all-terrain vehicle to road-hugging canyon carver. Cabin tech is also present in the form of the Porsche Communication Management system, an all-in-one navigation, stereo, and phone unit--only, the phone part doesn't work in the U. S. Fortunately, this version of the system is on its way out, soon... Behind the shifter on our 2008 Porsche Cayenne GTS is a bank of controls for the suspension almost as confusing as the acronyms they control. This car came with PASM, or Porsche Active Suspension Management, and PDCC, which stands for Porsche Dynamic Chassis Control. Another rocker switch beyond those changes the ride height of the Cayenne GTS through three different modes. To test out these different suspension settings, we found a section of rough pavement in San Francisco, approximately 100 yards long, and drove over it five times at 30 mph, each time with the suspension on a different setting. In Normal mode, the Cayenne GTS wasn't floating over the rough bits, transmitting jolts from washboard surfaces and potholes. Source: www.cnet.com