2013 Jeep Grand Cherokee Owner's Manual - Page 247

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 245 car, stationary objects that are far away, oncoming traffic, or leading vehicles with the same or higher rate of speed. • FCW will be disabled like ACC below with the unavailable screens. FCW 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 FCW functionality. Although the vehicle is still drivable under normal conditions, FCW will be temporarily unavailable. If this occurs, try activating FCW again later, following a key cycle. If the problem persists, see your authorized dealer. 3 FCW Off Example NOTE: Service FCW Warning • The system will retain the last setting selected by the If the system turns off, and the EVIC displays "ACC/ driver after ignition shut down. FCW Unavailable Service Radar Sensor", it indicates • FCW will not react to irrelevant objects such as overhead there is an internal system fault. Although the vehicle is objects, ground reflections, objects not in the path of the still drivable under normal conditions, have the system checked by an authorized dealer.