2015 Ford F150 SuperCrew Cab Owner Manual Printing 1 - Page 234

Driving Aids Blocked Sensors If a blocked sensor message appears in the information display, dirt, water, or an object is blocking the sensor. The sensor is located behind a cover near the driver side of the lower grille. If anything blocks the sensor, your vehicle cannot see through the sensor, and the collision warning system will not work. Possible causes for the blocked sensor message and corrective actions are listed below. E183741 Cause Action The radar sensor cover in the grille is dirty or obstructed The surface of the radar sensor cover is clean but the message remains in the display Heavy rain, spray, snow or fog in the air interferes with the radar signals Clean the radar sensor cover or remove the obstruction Wait a short time. The radar may take several minutes to reset after you remove the obstruction The collision warning system is temporarily disabled. Shortly after weather conditions improve, the collision warning system automatically reactivates The collision warning system is temporarily disabled. Shortly after weather conditions improve, the collision warning system automatically reactivates Stationary vehicles or vehicles moving below 6 mph (10 km/h). Pedestrians or objects in the roadway. Oncoming vehicles in the same lane. Severe weather conditions (see blocked sensor section). Debris build-up on the grille near the headlamps (see blocked sensor section). Small distance to vehicle ahead. Large steering wheel and pedal movements (very active driving style). Swirling water, snow or ice on the road surface interferes with the radar signals System Limitations WARNING The collision warning system's brake support only reduces collision speed if you first apply your brakes. You must brake as you would in any typical braking situation. Due to the nature of radar technology, there may be certain instances where vehicles do not provide a collision warning. These include: • • 231 F-150 (), enUSA, First Printing