2013 Dodge Durango Owner Manual - Page 240

238 UNDERSTANDING THE FEATURES OF YOUR VEHICLE ACC Unavailable Warning If the system turns off, and the EVIC displays "ACC/ FCW Unavailable, Vehicle System Error", there may be a temporary malfunction that limits ACC functionality. Although the vehicle is still drivable under normal conditions, ACC will be temporarily unavailable. If this occurs, try activating ACC again later, following a key cycle. If the problem persists, see your authorized dealer. Precautions While Driving With ACC In certain driving situations, ACC may have detection issues. In these cases, ACC may brake late or unexpectedly. The driver needs to stay alert and may need to intervene. Adding A Trailer Hitch The weight of a trailer/hitch may affect the performance of ACC. If there is a noticeable change in performance Service ACC Warning following the installation of a trailer/hitch, or if the ACC If the system turns off, and the EVIC displays "ACC/ performance does not return to normal after removing FCW Unavailable Service Radar Sensor", it indicates the trailer/hitch see your authorized dealer. there is an internal system fault. Although the vehicle is Offset Driving still drivable under normal conditions, have the system ACC may not detect a vehicle in the same lane that is checked by an authorized dealer. offset from your direct line of travel, or a vehicle merging in from a side lane. There may not be sufficient distance