2010 Cadillac DTS Owner's Manual - Page 185

Your vehicle will not reach the set speed until the system determines there is not a vehicle in front of you. At that point, your vehicle speed will increase to the set speed. Selecting the Follow Distance (GAP) When the system detects a slower moving vehicle, it will adjust your vehicle's speed and maintain the follow distance (gap) you select. Use the plus and minus buttons on the steering wheel to adjust the follow distance. Press the plus button to increase the distance or the minus button to decrease the distance. The first button press shows the current follow distance setting on the DIC. The current follow distance setting will be maintained until it is changed. There are six follow distances to choose from. The follow distance selection ranges from near to far (one second to two seconds follow time). The distance maintained for a selected follow distance will vary based on vehicle speed. The faster the vehicle speed the further back your vehicle will follow. Consider traffic and weather conditions when selecting the follow distance. The range of selectable distances may not be appropriate for all drivers and driving conditions. If you prefer to travel at a follow distance farther than ACC allows, disengage the system and drive manually. Decreasing Set Speed While Using ACC Press the SET- button until you reach the lower speed desired, then release it. To slow down in very small amounts, briefly press the SET- button. Each time this is done, the set speed decreases by 1 km/h (1 mph) slower. Resuming a Set Speed Suppose the ACC is set at a desired speed and then the brakes are applied. This will turn off the ACC. But it does not need to be reset. Once the vehicle speed reaches about 40 km/h (25 mph) or more, press the +RES button. ACC will be engaged with the previously chosen set speed. 4-19