2015 Cadillac ATS Owner Manual - Page 267

9-44 . Driving and Operating vehicle's speed and attempt to maintain the follow distance gap selected. Press [ on the steering wheel to adjust the following gap. Each press cycles the gap button through three settings: Far, Medium, or Near. When pressed, the current gap setting displays briefly on the instrument cluster and HUD. The gap setting will be maintained until it is changed. Since each gap setting corresponds to a following time (Far, Medium, or Near), the following distance will vary based on vehicle speed. The faster the vehicle speed, the further back your vehicle will follow a vehicle detected ahead. Consider traffic and weather conditions when selecting the following gap. The range of selectable gaps may not be appropriate for all drivers and driving conditions. Changing the gap setting automatically changes the alert timing sensitivity (Far, Medium, If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, the collision alert symbol on the HUD will flash on the windshield. Either eight beeps will sound from the front, or both sides of the Safety Alert Seat will pulse five times. See "Collision/Detection Systems" under Vehicle Personalization on page 5-44. See Defensive Driving on page 9-3. or Near) for the Forward Collision Alert (FCA) feature. See Forward Collision Alert (FCA) System on page 9-54. Alerting the Driver Press and hold SET- down until the desired lower speed is reached, then release it. To decrease the vehicle speed in small increments, press SET− down to the first detent. For each press, the vehicle goes about 1 km/h (1 mph) slower. To decrease the vehicle speed in larger increments, press SET− down to the second detent. For each press, the vehicle speed decreases to the next 5 km/h (5 mph) mark on the speedometer. . . 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. Selecting the Follow Distance When a slower moving vehicle is detected ahead within the selected following gap, ACC will adjust the