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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
obstructed in some way
Clean the fascia area in front of
the radar, either side, or remove
obstruction.
The surface of the radar is not
dirty or obstructed
Drive normally in traffic for a few
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
interfering with the radar signals
No action required by the driver.
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.
Trailer tow false alerts
When towing a trailer, the sensors may detect the trailer thus causing a
false alert. It may be desirable to turn the BLIS off if the false alerts
become annoying.
Day and night brightness
The BLIS and/or CTA alert will automatically dim when the headlamp
switch is in PARK, ON, or AUTO ON and night time darkness has been
detected by the sun sensor.
ALL WHEEL DRIVE (AWD) SYSTEM (IF EQUIPPED)
Your vehicle may be equipped with a full-time All Wheel Drive (AWD)
system. The AWD system is an active system, meaning it not only
responds to wheel slip between the front and rear axles but also has the
Driving
269
2010 Taurus (500)
Owners Guide (own2002), 1st Printing
USA (fus)