2010 Buick LaCrosse Owner's Manual - Page 259

Driving and Operating Increasing Speed While Using Cruise Control If the cruise control system is already engaged, . . 8-39 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 and then release it. Each time this is done, the vehicle goes about 1.6 km/h (1 mph) faster. To slow down in very 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. Ending Cruise Control There are three ways to disengage the cruise control: . 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 previously 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... Step lightly on the brake pedal or clutch; when cruise control disengages, the indicator light will not be lit. . \. Press 5 to turn the cruise Press control system off completely. The cruise control cannot be resumed. Erasing Speed Memory The cruise control set speed memory is erased when the cruise control or the ignition is turned off. Reducing Speed While Using Cruise Control If the cruise control system is already engaged, . Move the thumbwheel toward SET/− and hold until the desired lower speed is reached, then release it.