2011 Ford Taurus Owner Guide 3rd Printing - Page 272

Driving WARNING: Just prior to the system recognizing a blocked condition and alerting the driver, the number of missed objects will increase. To help avoid injuries, NEVER use the BLIS௡ as a replacement for using the side and rear view mirrors and looking over your shoulder before changing lanes. BLIS௡ is not a replacement for careful driving and only an assist. Once the blockage is removed, the system will require some driving time and detection of at least two vehicle objects prior to resetting or the driver can cycle the ignition key. If, however, blockage is still present after the key cycle, the system will sense again that it is blocked after driving in traffic. The following table lists possible causes and actions for this message being displayed: The surface of the radar is dirty or Clean the fascia area in front of obstructed in some way the radar, either side, or remove obstruction. The surface of the radar is not Drive normally in traffic for a few dirty or obstructed minutes to allow the radar to detect that it is no longer blocked. Note: The vehicle must be in D (Drive) and a few vehicles must pass so that the BLIS௡ can clear a blocked state. Heavy rainfall or heavy snowfall is No action required by the driver. interfering with the radar signals The system will automatically reset to an unblocked state once the rainfall/snowfall rate decreases or stops. Do not use BLIS௡ and/or CTA in heavy rainfall or heavy snowfall. Due to the nature of radar technology, it is possible to get a blockage warning and not be blocked. This is rare and known as a false blockage warning. A false blocked condition will either self clear or clear after a key cycle. 272 2011 Taurus Owners Guide, 3rd Printing USA (fus)