2008 Pontiac Grand Prix Owner's Manual - Page 242

This symbol, along with the message TRACTION CONTROL OFF will display on the DIC for three seconds when the ETS is not on. Press the traction control button located on the console to turn the system off. If there is a problem with the system, the service traction system will also come on in the DIC. See Enhanced Traction System Warning Light on page 3-48. When this warning light is on, the system will not limit wheel spin. Adjust driving accordingly. To limit wheel spin, especially in slippery road conditions, the ETS should always be left on. But the system can be turned off. The system should be turned off if the vehicle ever gets stuck in sand, mud, or snow and rocking the vehicle is required. See Rocking Your Vehicle to Get It Out on page 4-22 and If Your Vehicle is Stuck in Sand, Mud, Ice, or Snow on page 4-21 for more information. If the system is limiting wheel spin when the button is pressed, the system will turn off instantly. Press the traction control button again to turn the system on. StabiliTrak® Plus System The vehicle may have a vehicle stability enhancement system called Stabilitrak® Plus. It is an advanced computer controlled system that assists with directional control of the vehicle in difficult driving conditions. Stabilitrak® Plus comes on whenever the vehicle is started. It activates when the computer senses a discrepancy between the intended path and the direction the vehicle is actually traveling. Stabilitrak® Plus selectively applies braking pressure at any one of the vehicle's brakes to help control the vehicle in the steering direction. 4-8