sensor FORD EXPLORER 2018 Service Manual

Detection issues can occur:
When driving on a different line
than the vehicle in front.
A
With vehicles that edge into your
lane. The system can only detect
these vehicles once they move
fully into your lane.
B
There may be issues with the
detection of vehicles in front
when driving into and coming out
of a bend or curve in the road.
C In these cases, the system may brake late
or unexpectedly. You should stay alert and
take action when necessary.
If something hits the front end of your
vehicle or damage occurs, the
radar-sensing zone may change. This could
cause missed or false vehicle detection.
System Not Available
The system may not turn on if there is:
•
A blocked sensor.
• High brake temperature.
• A failure in the system or a related
system.
Blocked Sensor Note:
You cannot see the sensor. It is
behind a fascia panel.
A message displays if something obstructs
the radar signals from the sensor. The
sensor is in the lower grille. The system
cannot detect a vehicle ahead and does
not function when something blocks the
sensor.
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DRIVER ALERT (If Equipped)
PRINCIPLE OF OPERATION WARNING:
The system is designed
to aid the driver. It is not intended to
replace your attention and judgment. You
are still responsible to drive with due care
and attention. WARNING:
At all times, you are
responsible for controlling your vehicle,
supervising the system and intervening, if
required. Failure to take care may result in
the loss of control of your vehicle, serious
personal injury or death. WARNING:
The system may not
function if the sensor is blocked. WARNING:
Take regular rest breaks
if you feel tired. Do not wait for the system
to warn you. WARNING:
Certain driving styles
may result in the system warning you even
if you are not feeling tired. WARNING:
In cold and severe
weather conditions the system may not
function. Rain, snow and spray can all limit
sensor performance. WARNING:
The system will not
operate if the sensor cannot track the road
lane markings. WARNING:
If damage occurs in the
immediate area surrounding the sensor,
have your vehicle checked as soon as
possible. WARNING:
The system may not
correctly operate if your vehicle is fitted
with a suspension kit not approved by us.
Note: Keep the windshield free from
obstructions. For example, bird droppings,
insects and snow or ice.
Note: If the camera is blocked or if the
windshield is damaged, the system may not
function.
Note: The system will store the on or off
setting in the information display menu
through ignition cycles.
Note: If enabled in the menu, the system
activates at speeds above
40 mph
(64 km/h). When below the activation
speed, the information display informs the
driver that the system is unavailable. The system automatically monitors your
driving behavior using various inputs
including the front camera sensor.
If the system detects that your driving
alertness is reduced below a certain
threshold, the system will alert you using
a chime and a message in the cluster
display.
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USING DRIVER ALERT
Switching the System On and Off
Switch the system on or off using the
information display. See General
Information (page 105).
When activated, the system will monitor
your alertness level based upon your
driving behavior in relation to the lane
markings, and other factors.
System Warnings
Note: The system will not issue warnings
below approximately
40 mph (64 km/h).
The warning system has two stages. At
first, the system issues a temporary
warning that you need to take a rest. This
message will only appear for a short time.
If the system detects further reduction in
driving alertness, it may issue another
warning that will remain in the information
display for a longer time. You can press OK
on the steering wheel control to clear the
warning.
Resetting the System
You can reset the system by either:
• Switching the ignition off and on.
• Stopping the vehicle and then opening
and closing the driver ’s door. LANE KEEPING SYSTEM
(If
Equipped) WARNING:
You are responsible for
controlling your vehicle at all times. The
system is designed to be an aid and does
not relieve you of your responsibility to
drive with due care and attention. Failure
to follow this instruction could result in the
loss of control of your vehicle, personal
injury or death. WARNING:
Always drive with due
care and attention when using and
operating the controls and features on your
vehicle. WARNING:
In cold and severe
weather conditions the system may not
function. Rain, snow and spray can all limit
sensor performance. WARNING:
The system will not
operate if the sensor cannot track the road
lane markings. WARNING:
The sensor may
incorrectly track lane markings as other
structures or objects. This can result in a
false or missed warning. WARNING:
The system may not
operate properly if the sensor is blocked.
Keep the windshield free from obstruction. WARNING:
If damage occurs in the
immediate area surrounding the sensor,
have your vehicle checked as soon as
possible. WARNING:
The system may not
correctly operate if your vehicle is fitted
with a suspension kit not approved by us.
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The system is designed to detect vehicles
that may have entered the blind spot zone.
The detection area is on both sides of your
vehicle, extending rearward from the
exterior mirrors to approximately 13 ft
(4 m) beyond the rear bumper. The
detection area extends to approximately
59 ft (18 m)
beyond the rear bumper when
the vehicle speed is greater than 30 mph
(48 km/h) to alert you of faster
approaching vehicles.
Note: The system does not prevent contact
with other vehicles. It is not designed to
detect parked vehicles, pedestrians, animals
or other infrastructures.
Using the Blind Spot Information
System
Vehicles with Automatic Transmission
The system turns on when all of the
following occur:
• You start your vehicle.
• You shift into drive (D).
• The vehicle speed is greater than
6 mph (10 km/h)
.
Note: The system does not operate in park
(P) or reverse (R).
Vehicles with Manual Transmission
The system turns on when all of the
following occur:
• You start your vehicle.
• The vehicle speed is greater than
6 mph (10 km/h)
.
Note: The system does not operate in
reverse (R). System Lights and Messages
When the system detects a vehicle, an
alert indicator illuminates in the exterior
mirror on the side the approaching vehicle
is coming from. If you turn the direction
indicator on for that side of your vehicle,
the alert indicator flashes.
Note:
The system may not alert you if a
vehicle quickly passes through the detection
zone.
Blocked Sensors The sensors are behind the rear bumper
on both sides of your vehicle.
Note:
Keep the sensors free from snow, ice
and large accumulations of dirt.
Note: Do not cover the sensors with bumper
stickers, repair compound or other objects.
Note: Blocked sensors could affect system
performance.
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If the sensors become blocked, a message
may appear in the information display. See
Information Messages (page 119). The
alert indicators remain illuminated but the
system does not alert you.
System Errors
If the system detects a fault, a warning
lamp illuminates and a message displays.
See
Information Messages (page 119).
Switching the System On and Off
You can switch the system off using the
information display.
See General
Information (page 105). When you switch
the system off, a warning lamp illuminates
and a message displays. When you switch
the system on or off, the alert indicators
flash twice.
Note: The system remembers the last
setting when you start your vehicle.
Note: The system may not correctly operate
when towing a trailer. For vehicles with a
trailer tow module and tow bar approved
by us, the system turns off when you attach
a trailer. For vehicles with an aftermarket
trailer tow module or tow bar, we
recommend that you switch the system off
when you attach a trailer.
To permanently switch the system off,
contact an authorized dealer. CROSS TRAFFIC ALERT
(If
Equipped) WARNING:
Do not use the cross
traffic alert system as a replacement for
using the interior and exterior mirrors or
looking over your shoulder before reversing
out of a parking space. The cross traffic
alert system is not a replacement for
careful driving. WARNING:
The system may not
operate properly during severe weather
conditions, for example snow, ice, heavy
rain and spray. Always drive with due care
and attention. Failure to take care may
result in a crash.
The system is designed to alert you of
vehicles approaching from the sides when
you shift into reverse (R).
Using the Cross Traffic Alert
System
The system is designed to detect vehicles
that approach with a speed up to
37 mph
(60 km/h). Coverage decreases when the
sensors are partially, mostly or fully
obstructed. Slowly reversing helps increase
the coverage area and effectiveness.
The system turns on when you start the
engine and you shift into reverse (R). The
system turns off when you shift out of
reverse (R).
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The sensor on the left-hand side is only
partially obstructed and zone coverage on
the right-hand side is maximized.
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Zone coverage also decreases when
parking at narrow angles. The sensor on
the left-hand side is mostly obstructed and
zone coverage on that side is severely
reduced.
System Lights, Messages and
Audible Alerts
When the system detects a vehicle, an
indicator illuminates in the exterior mirror
on the side the approaching vehicle is
coming from. A tone sounds and a
message appears in the information
display.
Note:
In exceptional conditions, the system
could alert you even when there is nothing
in the detection zone, for example a vehicle
passing in the distance.
Blocked Sensors The sensors are behind the rear bumper
on both sides of your vehicle. Note:
Keep the sensors free from snow, ice
and large accumulations of dirt.
Note: Do not cover the sensors with bumper
stickers, repair compound or other objects.
Note: Blocked sensors could affect system
performance.
If the sensors are blocked, a message may
appear in the information display when
you shift into reverse (R). See
Information Messages (page 119).
System Limitations
The system may not correctly operate
when any of the following occur:
• The sensors are blocked.
• Adjacently parked vehicles or objects
are obstructing the sensors.
• Vehicles approach at speeds greater
than
37 mph (60 km/h).
• The vehicle speed is greater than 7 mph
(12 km/h)
.
• You reverse out of an angled parking
space.
System Errors
If the system detects a fault a message
displays. See
Information Messages
(page 119).
Switching the System Off and On
You can temporarily switch the system off
using the information display. See
Information Messages (page 119). When
you switch system off, a message displays.
See
Information Messages (page 119).
Note: The system turns on each time you
switch the ignition on and you shift into
reverse (R). If you temporarily switch the
system off, it turns on the next time you
switch the ignition on.
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PRE-COLLISION ASSIST (If
Equipped) WARNING:
You are responsible for
controlling your vehicle at all times. The
system is designed to be an aid and does
not relieve you of your responsibility to
drive with due care and attention. Failure
to follow this instruction could result in the
loss of control of your vehicle, personal
injury or death. WARNING:
The system does not
detect vehicles that are driving in a
different direction, pedestrians at night,
cyclists or animals. Failure to take care
may result in the loss of control of your
vehicle, serious personal injury or death. WARNING:
The system does not
operate during hard acceleration or
steering. Failure to take care may lead to
a crash or personal injury. WARNING:
The system may fail or
operate with reduced function during cold
and severe weather conditions. Snow, ice,
rain, spray and fog can adversely affect the
system. Keep the front camera and radar
free of snow and ice. Failure to take care
may result in the loss of control of your
vehicle, serious personal injury or death. WARNING:
In situations where the
vehicle camera has limited detection
capability, this may reduce system
performance. These situations include but
are not limited to direct or low sunlight,
vehicles at night without tail lights,
unconventional vehicle types, pedestrians
with complex backgrounds, running pedestrians, partly obscured pedestrians,
or pedestrians that the system cannot
distinguish from a group. Failure to take
care may result in the loss of control of
your vehicle, serious personal injury or
death.
WARNING:
The pre-collision assist
system's brake support reduces collision
speed only if you brake your vehicle before
any collision. You must press your brake
pedal as you would in any typical braking
situation. WARNING: The system cannot help
prevent all crashes. Do not rely on this
system to replace driver judgment and the
need to maintain a safe distance and
speed.
Note: The system does not detect, warn or
respond to potential collisions with vehicles
to the rear or sides of your vehicle.
Using the Pre-Collision Assist
System
The system is active at speeds above
approximately
5 mph (8 km/h). The system alerts you of certain collision
risks. The system's sensor detects your
vehicle's rapid approach to other vehicles
traveling in the same direction as your
vehicle.
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When your vehicle rapidly approaches
another vehicle, a flashing visual warning
appears and an audible warning tone
sounds.
The brake support system assists you in
reducing any collision speed by
pre-charging the brakes. If the risk of
collision continues to increase after the
audio-visual warning, the brake support
prepares the brake system for rapid
braking. Brake support does not
automatically apply the brakes. If you press
the brake pedal, the system could apply
additional braking up to maximum braking
force, even if you lightly press the brake
pedal.
You can adjust the warning system's
sensitivity through your information
display. See General Information (page
105). Note:
If you perceive Pre-Collision Assist
alerts as being too frequent or disturbing,
then you can reduce the alert sensitivity,
though the manufacturer recommends
using the highest sensitivity setting where
possible. Setting lower sensitivity would
lead to fewer and later system warnings.
Blocked Sensors If a blocked sensor message appears in the
information display, dirt, water or an object
is blocking the sensor. The sensor is
located behind a cover near the driver side
of the lower grille. If anything blocks the
sensor, your vehicle cannot see through
the sensor, and the system does not work.
Possible causes for the blocked sensor
message and corrective actions are listed
below.
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Action
Cause
Clean the radar sensor cover or remove theobstruction.
The radar sensor cover in the grille is dirty
or obstructed.
Wait a short time. The radar may take
several minutes to reset after you remove the obstruction.
The surface of the radar sensor cover is
clean but the message remains in the display.
The system is temporarily disabled. Shortlyafter weather conditions improve, thesystem automatically reactivates.
Heavy rain, spray, snow or fog in the air
interferes with the radar signals.
The system is temporarily disabled. Shortlyafter weather conditions improve, thesystem automatically reactivates.
Swirling water, snow or ice on the road
surface interferes with the radar signals.
System Limitations
Due to the nature of radar technology,
there may be certain instances where
vehicles do not provide a collision warning.
These include:
• Stationary vehicles or vehicles moving
below 6 mph (10 km/h).
• Pedestrians or objects in the roadway.
• Oncoming vehicles in the same lane.
• Severe weather conditions (see
blocked sensor section).
• Debris build-up on the grille near the
headlamps (see blocked sensor
section).
• Small distance to vehicle ahead.
• Large steering wheel and pedal
movements (very active driving style).
Damage to the front end of your vehicle
may alter the radar sensor's coverage area.
This may result in missed or false collision
warnings. Have an authorized dealer check
your radar sensor for proper coverage and
operation.
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