2013 Buick LaCrosse Owner Manual - Page 237

Driving and Operating If there is a problem detected with TCS, SERVICE TRACTION CONTROL is displayed on the Driver Information Center (DIC). See Ride Control System Messages on page 5‑37. When this message is displayed and d comes on and stays on, the vehicle is safe to drive but the system is not operational. Driving should be adjusted accordingly. If d comes on and stays on, reset the system. To reset: 1. Stop the vehicle. 2. Turn the engine off and wait 15 seconds. 3. Start the engine. If d still comes on and stays on, the vehicle needs service. Notice: Do not repeatedly brake or accelerate heavily when TCS is off. The vehicle's driveline could be damaged. TCS can be turned off by pressing and releasing the TCS/StabiliTrak button. When TCS is turned off, i comes on, and the appropriate DIC message also displays. See Ride Control System Messages on page 5‑37. With TCS turned off, the system does not limit wheel slip. Driving should be adjusted accordingly. See Traction Off Light on page 5‑20. Press and release the TCS/ StabiliTrak button again to turn the system back on. 9-35 It may be necessary to turn the system off if the vehicle gets stuck in sand, mud, or snow and rocking the vehicle is required. See If the Vehicle Is Stuck on page 9‑9 for more information. See also Winter Driving on page 9‑8 for information on using TCS when driving in snowy or icy conditions. Adding non-GM accessories can affect the vehicle performance. See Accessories and Modifications on page 10‑3. StabiliTrak® System The vehicle may have a vehicle stability enhancement system called StabiliTrak. It is an advanced computer-controlled system that assists with directional control of the vehicle in difficult driving conditions. StabiliTrak activates when the computer senses a difference between the intended path and the direction the vehicle is actually traveling. StabiliTrak selectively