2014 Buick Regal Owner Manual - Page 223

Driving and Operating To set ACC: 1. Press Resuming a Set Speed If the ACC is set at a desired speed and then the brakes are applied, ACC is disengaged without erasing the set speed from memory. To begin using ACC again, press +RES up briefly on the steering wheel. The vehicle returns to the previous set speed. Increasing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . . 9-43 ]. Press and hold +RES up until the desired set speed appears on the display, then release it. To increase vehicle speed in small increments, briefly press +RES. For each press, the vehicle goes to the next 5 km/h (1 mph) faster mark on the speedometer. 2. Get up to the desired speed. 3. Press and release the SET- control on the steering wheel. 4. Remove foot from the accelerator. After ACC is set, it may immediately apply the brakes if a vehicle ahead is detected closer than the selected following gap. . When it is determined that there is no vehicle ahead or the vehicle ahead is beyond the selected following gap, then the vehicle speed will increase to the set speed. The speedometer reading can be displayed in either English or metric units. See Instrument Cluster (Base Cluster) on page 5-8 or Instrument Cluster (Uplevel Cluster) on page 5-12. The increment value used depends on the units displayed. The ACC indicator displays on the instrument cluster. When ACC is active, the indicator turns green. Be mindful of speed limits, surrounding traffic speeds, and weather conditions when selecting the set speed. Use the accelerator to get to the higher speed. Press SET- down. Release the control and the accelerator pedal. The vehicle will now cruise at the higher speed. When the accelerator pedal is pressed, ACC will not brake because it is overridden. A warning message will appear on the Driver Information Center (DIC). See Cruise Control Messages on page 5-39.