2003 Buick Regal Owner's Manual - Page 176

TRAC OFF When the system is on, this warning light will come on to let you know if there's a problem. 0 To turn the system on or off, press the TRACTION button on the panel located directly behind your automatic transaxle shift lever. See Traction Control System (TCS) Warning Light on page 3-31. When this warning light is on, the system will not limit wheel spin. Adjust your driving accordingly. To limit wheel spin, especially in slippery road conditions, you should always leave the Traction Control System on. But you can turn the system off if you ever need to. You should turn the system off if your vehicle ever gets stuck in sand, mud or snow and rocking the vehicle is required. See Rocking Your Vehicle in If You Are Stuck: In Sand, Mud, Ice or Snow on page 4-30. When you turn the system off, the Traction Control System warning light will come on and stay on. If the Traction Control System is limiting wheel spin when you press the button to turn the system off, the warning light will come on and the system will turn off right away. You can turn the system back on at any time by pressing the button again. The Traction Control System warning light should go off. 4-1 1