2012 Buick LaCrosse Owner Manual - Page 315

Driving and Operating When StabiliTrak is turned off, the system will not assist with directional control of the vehicle or limit wheel spin. Driving should be adjusted accordingly. See Traction Control System (TCS)/StabiliTrak® Light on page 5‑23 for more information. . 9-41 Limited-Slip Differential Vehicles with a limited-slip differential can give more traction on snow, mud, ice, sand, or gravel. It works like a standard differential most of the time, but when traction is low, this feature allows the drive wheel with the most traction to move the vehicle. TOUR: Use for normal city and highway driving. This setting provides a smooth, soft ride. SPORT: Use where road conditions or personal preference demand more control. This setting provides more "feel," or response to road conditions through increased steering effort and suspension tuning. The setting can be changed at any time. Based on road conditions, steering wheel angle, and vehicle speed, the system automatically adjusts to provide the best handling while providing a smooth ride. The TOUR and SPORT modes will feel similar on a smooth road. Press and release the TCS/ StabiliTrak button again to turn the system back on. Selective Ride Control The vehicle may have a ride control system called Selective Ride Control. The system provides the following performance benefits: ... If cruise control is being used when StabiliTrak activates, cruise control will automatically disengage. Press the cruise control button to reengage when road conditions allow. See Cruise Control on page 9‑42 for more information. Reduced Impact Harshness Improved Road Isolation Improved High-Speed Stability Improved Handling Response Better Control of Body Ride Motions To switch from TOUR to SPORT mode, move the shift lever to the left while the transmission is in D (Drive).