2015 Cadillac ATS Owner Manual - Page 266

Driving and Operating Increasing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . . 9-43 The ACC indicator displays in the instrument cluster and Head-Up Display (HUD). When the ACC is active, the indicator will be lit green. Be mindful of speed limits, surrounding traffic speeds, and weather conditions when selecting the set speed. Resuming a Set Speed If the ACC is set at a desired speed and then the brakes are applied, the 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. 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) and the Head-Up Display (HUD). See Cruise Control Messages on page 5-33. To increase vehicle speed in larger increments, press +RES up to the second detent. For each press, the vehicle speed increases to the next 5 km/h (5 mph) mark on the speedometer. When it is determined that there is no vehicle ahead inside 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 on page 5-10. The increment value used depends on the units displayed. Reducing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . . Press and hold +RES up until the desired set speed appears on the display, then release it. To increase vehicle speed in small increments, press +RES up to the first detent. For each press, the vehicle goes 1 km/h (1 mph) faster. . Use the brake to get to the desired lower speed. Press SET- down and release the accelerator pedal. The vehicle will now cruise at the lower speed.