2012 Buick LaCrosse Owner's Manual - Page 307

Driving and Operating 2. Get to the speed desired. 3. Move the thumbwheel down toward SET/− and release it. The desired set speed briefly appears in the instrument panel cluster. 4. Take your foot off the accelerator pedal. Resuming a Set Speed If the cruise control is set at a desired speed and then the brakes are applied or the * is pressed, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle reaches about 40 km/h (25 mph) or more, move the thumbwheel up toward RES/+ briefly. The vehicle returns to the previous set speed and stays there. . 9-41 Increasing Speed While Using Cruise Control If the cruise control system is already activated: . . Move the thumbwheel up toward RES/+ and hold it until the vehicle accelerates to the desired speed, and then release it. To increase the speed in small amounts, move the thumbwheel up toward RES/+ briefly, then release it. Each time this is done, the vehicle goes about 1.6 km/h (1 mph) faster. To slow down in small amounts, move the thumbwheel toward SET/− briefly and then release it. Each time this is done, the vehicle goes about 1.6 km/h (1 mph) slower. Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase the vehicle's speed. When you take your foot off the pedal, the vehicle will slow down to the previous set cruise control speed. Using Cruise Control on Hills How well the cruise control works on hills depends upon the vehicle's speed, load, and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to maintain the vehicle's speed. When going downhill, you might have to brake or shift to a lower gear to maintain the vehicle's speed. When the brakes are applied the cruise control shuts off. Reducing Speed While Using Cruise Control If the cruise control system is already activated: . Move the thumbwheel toward SET/− and hold until the desired lower speed is reached, then release it.