2012 Ford Explorer Owner Guide 2nd Printing - Page 297

Driving If the front end of the vehicle is hit or damaged, the radar sensing zone may be altered causing missed or false collision warnings. Check with your authorized dealer to have your collision warning radar checked for proper coverage and operation. WARNING: The collision warning system's brake support can only help reduce the speed at which a collision occurs if the driver applies the vehicle's brakes. The brake pedal must be pressed just like any typical braking situation. Blocked sensor If a message regarding a blocked sensor is displayed, the radar signals from the sensor, located behind a fascia cover near the driver side of the lower grille, have been obstructed. When the radar signals are obstructed, a vehicle ahead cannot be detected and the collision warning system will not function. The following table lists possible causes and actions for this message being displayed. Cause The surface of the radar in the grille is dirty or obstructed in some way The surface of the radar in the grille is clean but the message remains in the display Heavy rain, spray, snow, or fog is interfering with the radar signals Action Clean the grille surface in front of the radar or remove the object causing the obstruction Wait a short time. It may take several minutes for the radar to detect that it is no longer obstructed The collision warning system is temporarily disabled. Collision warning should automatically reactivate a short time after the weather conditions improve. Swirling water, or snow or ice The collision warning system is temporarily on the surface of the road disabled. Collision warning should may interfere with the radar automatically reactivate a short time after signals the weather conditions improve. 297 2012 Explorer (exp) Owners Guide, 2nd Printing USA (fus)