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Blocked Sensor
WARNING: Do not use ACC when towing a trailer with brake
controls. Aftermarket trailer brakes will not function properly
when ACC is activated because the brakes are electronically controlled.
Failing to do so may result in loss of vehicle control, which could result
in serious injury.
WARNING: Do not use tires sizes other than those
recommended because this can affect the normal operation of
ACC. Failing to do so may result in a loss of vehicle control, which
could result in serious injury.
when the radar signals are obstructed. 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 or snow is interfering
with the radar signals.
2015 Flex (471)
Owners Guide gf, 1st Printing, October 2014
USA (fus)
Cruise Control
A message regarding a blocked
sensor is displayed if 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. A
vehicle ahead cannot be detected
and the system will not function
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.
Do not use the system in these
conditions because it may not
detect any vehicle ahead.
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