107 . . .–Section 1When the system is limiting wheelspin, the Stabilitrak®/TractionControl System Light flashes.You may feel or hear the systemworking, but this is normal.To help limit wheel spin, youshould always leave this systemon.However, you can turn this systemoff if you need to.Press and release the TC button toturn the system off.If your vehicle is a CTS-V model,the button is located on thesteering wheel. Otherwise, thebutton is located on theinstrument panel.The Stabilitrak®/Traction ControlSystem Light will come on toremind you that the system is offand will not limit wheel spin.Adjust your driving accordingly.Press the button again to turn thesystem back on.NOTICEMake sure to turn the system offif the vehicle is stuck in mud,sand or snow.See "If Your Vehicle Gets Stuck"in Section 5.The TC button is also used tocontrol the Stabilitrak system.See "Stabilitrak® System" later inthis section for more information.If the system is on and the lightcomes on and stays on, then thesystem is not working, and youshould have it fixed.$10araCTS Page 107 Tuesday, September 15, 2009 12:30 PM