2010 Cadillac STS Owner's Manual - Page 201

The range of selectable distances may not be appropriate for all drivers and driving conditions. If you prefer to travel at a following distance farther than Adaptive Cruise Control allows, disengage the system and drive manually. A graphic on the HUD indicates the selected following distance. This picture shows a maximum follow distance. Driver action is required when: . Adaptive Cruise Control cannot apply sufficient braking because you are approaching a vehicle too rapidly. The vehicle speed drops below about 40 km/h (25 mph). A temporary condition prohibits Adaptive Cruise Control from operating. See DIC Warnings and Messages on page 4‑76 for more information. A malfunction is detected in the system. See DIC Warnings and Messages on page 4‑76 for more information. . . . United States version shown, Canada similar The vehicles will move closer together as you select a smaller following distance. See Defensive Driving on page 5‑2. { WARNING: Adaptive Cruise Control has only limited braking ability to slow your vehicle. In some cases, Adaptive Cruise Control may not have time to slow your vehicle enough to avoid a collision. Be ready to take action and apply the brakes yourself. See Defensive Driving on page 5‑2. Alerting the Driver The alert symbol flashes on the HUD and a warning beep sounds when driver action is required. 4-21