2015 Jeep Grand Cherokee Owner Manual - Page 207

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 205 The "ACC/FCW Unavailable Wipe Front Radar Sensor" message can sometimes be displayed while driving in highly reflective areas (i.e. tunnels with reflective tiles, or ice and snow). The ACC system will recover after the vehicle has left these areas. Under rare conditions, when the radar is not tracking any vehicles or objects in its path this warning may temporarily occur. To keep the ACC System operating properly, it is important to note the following maintenance items: • Always keep the sensor clean. Carefully wipe the sensor lens with a soft cloth. Be cautious not to damage the sensor lens. 3 • Do not remove any screws from the sensor. Doing so could cause an ACC system malfunction or failure and NOTE: If the "ACC/FCW Unavailable Wipe Front Radar require a sensor realignment. Sensor" warning is active Normal (Fixed Speed) Cruise Control is still available. For additional information refer • If the sensor or front end of the vehicle is damaged due to "Normal (Fixed Speed) Cruise Control Mode" in this to a collision, see your authorized dealer for service. section. • Do not attach or install any accessories near the sensor, including transparent material or aftermarket grilles. DoIf weather conditions are not a factor, the driver should ing so could cause an ACC system failure or malfunction. examine the sensor. It may require cleaning or removal of an obstruction. The sensor is located in the center of the When the condition that deactivated the system is no vehicle behind the lower grille. longer present, the system will return to the "Adaptive Cruise Control Off" state and will resume function by simply reactivating it.