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Blocked sensor
If a message regarding a blocked
sensor is displayed, the radar signals
from the sensor have been
obstructed. The sensor is located
behind a fascia cover near the driver
side of the lower grille. When the
radar signals are obstructed, a
vehicle ahead cannot be detected
and the ACC will not function. The
following table lists possible causes
and actions for this message being
displayed.
Cause Action
The surface of the radar in the
grille is dirty or obstructed in
some way
Clean the grille surface in front of
the radar or remove the object
causing the obstruction
The surface of the radar in the
grille is clean but the message
remains in the display
Wait a short time. It may take
several minutes for the radar to
detect that it is no longer
obstructed
Heavy rain or snow is interfering
with the radar signals
Do not use ACC in these condition
because it may not detect, warn,
or respond to potential collisions.
Swirling water, or snow or ice on
the surface of the road may
interfere with the radar signals
Do not use ACC in these condition
because it may not detect, warn,
or respond to potential collisions.
Desert / remote area with no other
vehicles and no roadside objects
Wait a short time or switch to
normal cruise control.
Due to the nature of radar technology, it is possible to get a blockage
warning and not be blocked. This can happen, for example, when driving
in sparse rural or desert environments. A false blocked condition will
either self clear or clear after a key cycle.
Driver Controls
109
2011 Explorer (exp)
Owners Guide, 4th Printing
USA (fus)
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