Lincoln 2011 MKX Owner's Manual page 236

Blocked sensor
If a message regarding a blocked
sensor is displayed, the radar signals
from the sensor, located behind a
fascia cover near the driver side of
the lower grille, have been
obstructed. When the radar signals
are obstructed, a vehicle ahead
cannot be detected and the collision
warning system will not function.
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, spray, snow, or fog is
interfering with the radar signals
Swirling water, or snow or ice on
the surface of the road may
interfere with the radar signals
Activating/deactivating collision warning system
To turn the warning system and/or chime on or off and set the warning
sensitivity <– –>, refer to Message center in the Instrument Cluster
chapter.
Note: If the system cannot be turned off in a MyKey™ equipped vehicle,
refer to MyKey™ in the Locks and Security chapter for more
information.
2011 MKX (mkx)
Owners Guide, 2nd Printing
USA (fus)
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
The collision warning system is
temporarily disabled. Collision
warning should automatically
reactivate a short time after the
weather conditions improve.
The collision warning system is
temporarily disabled. Collision
warning should automatically
reactivate a short time after the
weather conditions improve.
Driving
235