2004 Cadillac CTS Owner's Manual - Page 96

Sport Mode Button (Automatic Transmission) This button allows you to change the driving mode of the vehicle from the normal driving mode to a sportier driving mode. In sport mode the vehicle will have firmer shifting and increased performance. The sport mode button is located on the center console near the transmission shift lever. 4. Using a narrow, pointed tool, press down on the mechanism under the cap so that you can move the shift lever. Press the button once to turn on the sport mode. Press the button again to return to normal driving mode. 2-30