Black plate (21,1)Cadillac STS Owner Manual - 2011The range of selectable distances may not beappropriate for all drivers and driving conditions. If youprefer to travel at a following distance farther thanAdaptive Cruise Control allows, disengage the systemand drive manually.United States versionshown, Canada similarA graphic on the HUDindicates the selectedfollowing distance. Thispicture shows a maximumfollow distance.The vehicles will move closer together as you select asmaller following distance.Alerting the DriverThe alert symbol flasheson the HUD and awarning beep soundswhen driver action isrequired.Driver action is required when:. Adaptive Cruise Control cannot apply sufficientbraking because you are approaching a vehicle toorapidly.. The vehicle speed drops below about 40 km/h(25 mph).. A temporary condition prohibits Adaptive CruiseControl from operating. See DIC Warnings andMessages on page 4‑76 for more information.. A malfunction is detected in the system. See DICWarnings and Messages on page 4‑76 for moreinformation.See Defensive Driving on page 5‑2.{ WARNING:Adaptive Cruise Control has only limited brakingability to slow your vehicle. In some cases,Adaptive Cruise Control may not have time toslow your vehicle enough to avoid a collision.Be ready to take action and apply the brakesyourself. See Defensive Driving on page 5‑2.4-21