2015 Buick Regal Owner Manual - Page 220

Driving and Operating SET− (Set/Coast): Press the control down briefly to set the speed and activate cruise control. If cruise control is already active, use to decrease vehicle speed. The cruise control indicator on the instrument cluster turns green after cruise control has been set to the desired speed. See Instrument Cluster (Uplevel Cluster) on page 5-12 or Instrument Cluster (Base Level Cluster) on page 5-8. 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, press RES+ up briefly. The vehicle returns to the previous set speed. Increasing Speed While Using Cruise Control If the cruise control system is already activated: ... 9-39 To increase vehicle speed in small increments, press RES+ up briefly. For each press, the vehicle goes about 1.6 km/h (1 mph) faster. * (Cancel): Press to disengage cruise control without erasing the selected set speed. Setting Cruise Control If 5 is on when not in use, SET− or RES+ could get bumped and go into cruise when not desired. Keep 5 off when cruise is not being used. 1. Press the 5 button to turn the cruise system on. 2. Get up to the speed desired. 3. Press and release the SET− control on the steering wheel. The desired set speed briefly appears in the instrument panel cluster. 4. Remove foot from the accelerator. The speedometer reading can be displayed in either English or metric units. See Instrument Cluster (Uplevel Cluster) on page 5-12 or Instrument Cluster (Base Level Cluster) on page 5-8. The increment value used depends on the units displayed. Reducing Speed While Using Cruise Control If the cruise control system is already activated: . Press and hold SET− down until the desired lower speed is reached, then release it. To slow down in small increments, press SET− down briefly. For each press, the vehicle goes about 1.6 km/h (1 mph) slower. Press and hold RES+ up until the desired speed is reached, then release it.