ESP FORD F-150 2021 Manual PDF

Normal is the default steering and exhaust
modes. Off-road steering mode is not
available. All exhaust modes are available.
Sport is the default suspension mode.
Normal suspension mode is available.
Off-road suspension mode is not available.
The system tunes the engine and
transmission controls to tow mode.
The system tunes the stability and traction
controls to normal mode.
The electronic locking differential is
available below 25 mph (40 km/h). See
Switching the Electronic Locking
Differential On and Off
(page 303).
TOW/HAUL - 4X4 For improved transmission
operation when towing a trailer
or a heavy load. This mode
moves upshifts to higher engine speeds to
reduce the frequency of transmission
shifting. This mode also provides engine
braking in all forward gears, which slows
your vehicle and assists you in controlling
your vehicle when descending a slope. The
amount of downshift braking provided
varies based on the amount you press the
brake pedal.
All four-wheel drive modes are selectable
in tow/haul mode. This mode does not
default to a certain four-wheel drive mode
and maintains the previous selection.
The system tunes the steering and
suspension to enhance driving comfort
when towing or carrying heavy loads.
The electronic locking differential is
available below
25 mph (40 km/h). See
Switching the Electronic Locking
Differential On and Off
(page 303). TOW/HAUL - 4X2 For improved transmission
operation when towing a trailer
or a heavy load. This mode
moves upshifts to higher engine speeds to
reduce the frequency of transmission
shifting. This mode also provides engine
braking in all forward gears, which slows
your vehicle and assists you in controlling
your vehicle when descending a slope. The
amount of downshift braking provided
varies based on the amount you press the
brake pedal.
The system tunes the steering and
suspension to enhance driving comfort
when towing or carrying heavy loads.
The electronic locking differential is
available below
25 mph (40 km/h). See
Switching the Electronic Locking
Differential On and Off
(page 305).
TRAIL - 4X2 Trail mode is for off-road driving
on muddy, rutted, soft or uneven
terrain. This mode lowers
throttle response to increase wheel spin
to keep the tires clear and to prevent
getting stuck.
The electronic locking differential is
available below
25 mph (40 km/h). See
Switching the Electronic Locking
Differential On and Off
(page 305).
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WHAT IS THE LANE KEEPING
SYSTEM
The lane keeping system alerts you by
providing temporary steering assistance
or steering wheel vibration when it detects
an unintended lane departure.
HOW DOES THE LANE
KEEPING SYSTEM WORK
The lane keeping system uses a forward
looking camera mounted on the windshield
to monitor vehicle movement within the
travel lane.
When the camera detects a drift out of the
travel lane, the lane keeping system alerts
the driver by vibrating the steering wheel,
or aids the driver by providing a small
steering input to move the vehicle back
into the travel lane.
The driver can select one of three modes:
•
Alert (If Equipped)
• Aid
• Alert + Aid
LANE KEEPING SYSTEM
PRECAUTIONS 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 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:
In cold and severe
weather conditions the system may not
function. Rain, snow and spray can all
limit sensor performance. 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. WARNING:
Large contrasts in
outside lighting can limit sensor
performance.
LANE KEEPING SYSTEM
LIMITATIONS
The lane keeping system only operates
when the vehicle speed is greater than
40 mph (64 km/h)
.
The system works when the camera can
detect at least one lane marking.
Note: When you select Aid or Alert and Aid
mode and the system detects no steering
activity for a short period of time, the system
alerts you to put your hands on the steering
wheel. The system may detect a light grip
or touch on the steering wheel as hands-off
driving.
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(If Equipped)

WHAT IS PRE-COLLISION
ASSIST
Pre-collision assist detects and warns of
approaching hazards in the roadway. If
your vehicle is rapidly approaching another
stationary vehicle, a vehicle traveling in the
same direction as yours, or a pedestrian
within your driving path, the system
provides multiple levels of assistance to
help avoid a collision.
HOW DOES PRE-COLLISION
ASSIST WORK
The system warns the driver of potential
hazards by providing three levels of
assistance.
If your vehicle is rapidly approaching
potential hazards the system provides the
following levels of functionality:
1. Alert.
2. Brake Support.
3. Automatic Emergency Braking.
Alert: When active, a flashing
visual warning appears and an
audible warning tone sounds.
Brake Support
: The system is designed
to help reduce the impact speed by
preparing the brakes for rapid braking. The
system 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.
Automatic Emergency Braking
:
Automatic emergency braking may
activate if the system determines that a
collision is imminent. Note:
If you perceive pre-collision assist
alerts as being too frequent or disturbing,
then you can reduce the alert sensitivity,
although the manufacturer recommends
using the highest sensitivity setting where
possible. Setting lower sensitivity would
lead to fewer and later system warnings.
Each system has various levels of
detection capabilities. See Pre-Collision
Assist Limitations
(page 397).
PRE-COLLISION ASSIST
PRECAUTIONS 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, cyclists or animals.
Apply the brakes when necessary. Failure
to follow this instruction could result in
the loss of control of your vehicle,
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.
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WARNING: Take additional care if
your vehicle is heavily loaded or you are
towing a trailer. These conditions could
result in reduced performance of this
system. Failure to follow this instruction
could result in the loss of control of your
vehicle, personal injury or death. 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. 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.
PRE-COLLISION ASSIST
LIMITATIONS - POLICE
RESPONDER
Pre-collision assist depends on the
detection ability of its camera and sensors.
Any obstructions or damage to these areas
can limit detection or prevent the system
from functioning. See
Locating the
Pre-Collision Assist Sensors (page 399).
The system is active at speeds above
3 mph (5 km/h)
. Note:
The pre-collision assist system
automatically disables when you select
four-wheel drive low, manually disable
AdvanceTrac ™, or select rock crawl mode.
Note: Brake support and automatic
emergency braking are active at speeds up
to
75 mph (120 km/h).
Pedestrian Detection Limitations
Pedestrian detection is active at speeds
up to
50 mph (80 km/h).
Pedestrian detection operates optimally
when detected hazards are clearly
identifiable. System performance may
reduce in situations where pedestrians are
running, partly obscured, have a complex
background, or cannot be distinguished
from a group.
PRE-COLLISION ASSIST
LIMITATIONS
Pre-collision assist depends on the
detection ability of its camera and sensors.
Any obstructions or damage to these areas
can limit detection or prevent the system
from functioning. See
Locating the
Pre-Collision Assist Sensors (page 399).
The system is active at speeds above
3 mph (5 km/h)
.
Note: The pre-collision assist system
automatically disables when you select
four-wheel drive low, manually disable
AdvanceTrac ™, or select rock crawl mode.
Note: Brake support and automatic
emergency braking are active at speeds up
to 80 mph (130 km/h). If your vehicle has a
radar sensor included with adaptive cruise
control, then brake support and automatic
emergency braking are active up to the
maximum speed of your vehicle.
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(If Equipped)

Pedestrian Detection Limitations
Pedestrian detection is active at speeds
up to 50 mph (80 km/h).
Pedestrian detection operates optimally
when detected hazards are clearly
identifiable. System performance may
reduce in situations where pedestrians are
running, partly obscured, have a complex
background, or when the system cannot
distinguish pedestrians from a group.
Intersection Assist
(If Equipped)
If your vehicle comes with a radar sensor
included in adaptive cruise control, the
pre-collision assist system may operate in
a scenario where you are turning across an
oncoming vehicle's path. Detection of
vehicles driving in an oncoming direction
is active if your vehicle is driving at speeds
up to
19 mph (30 km/h). SWITCHING PRE-COLLISION
ASSIST ON AND OFF - POLICE
RESPONDER
To switch the system on or off, use the
touchscreen:
1. Press
Features on the touchscreen.
2. Press
Driver Assistance.
3. Press
Pre-Collision Assist. 4. Switch the feature on or off. You can switch the entire system
off at any time by pressing the
button above the touchscreen.
Adjusting the Pre-Collision Assist
Settings
You can adjust the following settings by
using the touchscreen controls in the
pre-collision assist menu:
• Change alert sensitivity to one of three
possible settings.
• If required, switch automatic
emergency braking on or off.
• If required, switch the entire
pre-collision assist feature on or off.
Note: Automatic emergency braking turns
on every time you switch the ignition on.
SWITCHING PRE-COLLISION
ASSIST ON AND OFF
To switch the system on or off, use the
touchscreen:
1. Press
Features on the touchscreen.
2. Press
Driver Assistance.
3. Press
Pre-Collision Assist.
4. Switch the feature on or off.
Adjusting the Pre-Collision Assist
Settings
You can adjust the following settings by
using the touchscreen controls in the
pre-collision assist menu:
• Change alert and distance alert
sensitivity to one of three possible
settings.
• Switch distance indication and alert on
or off.
• If required, switch automatic
emergency braking on or off.
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•
If required, switch the entire
pre-collision assist feature on or off.
• If required, switch evasive steering
assist on or off.
Note: Automatic emergency braking and
evasive steering turn on every time you
switch the ignition on.
Note: If your vehicle has a radar sensor, we
recommend that you switch the system off
if you install a snow plow or similar object
in such a way that it may block the radar
sensor. Your vehicle remembers the selected
setting across key cycles.
Note: If you switch automatic emergency
braking off, evasive steering assist switches
off.
LOCATING THE PRE-
COLLISION ASSIST SENSORS
- POLICE RESPONDER Camera.
1 If a message regarding a blocked camera
appears in the instrument cluster display,
something is obstructing the camera
images. With a blocked camera, the
system may not function, or performance
may reduce. See Pre-Collision Assist –
Information Messages (page 404).
Note: Proper system operation requires a
clear view of the road by the camera. Have
any windshield damage in the area of the
camera's field of view repaired.
Note: If your vehicle detects excessive heat
at the camera or a potential misalignment
condition, a message could display in the
information display indicating temporary
sensor unavailability. When operational
conditions are correct, the message
deactivates. For example, when the ambient
temperature around the sensor decreases
or the sensor recalibrates successfully.
LOCATING THE PRE-
COLLISION ASSIST SENSORS Camera.
1.
Radar sensor (if equipped).
2.
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PRE-COLLISION ASSIST –
TROUBLESHOOTING
PRE-COLLISION ASSIST –
WARNING LAMPS A telltale illuminates in the
cluster to indicate if the system
is disabled or unavailable.
PRE-COLLISION ASSIST – INFORMATION MESSAGES - POLICE
RESPONDER Details
Message
A fault with the system has occurred. Haveyour vehicle checked as soon as possible.
Pre-Collision Assist Not Available
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PRE-COLLISION ASSIST –
FREQUENTLY ASKED QUESTIONS
- POLICE RESPONDER
Camera Troubleshooting
The windshield in front of the camera
is dirty or obstructed.
Clean the outside of the windshield in
front of the camera.
The windshield in front of the camera
is clean, but the message remains in
the instrument cluster display. Wait a short time. It could take several
minutes for the camera to detect that
there is no obstruction.
PRE-COLLISION ASSIST –
FREQUENTLY ASKED QUESTIONS
Camera Troubleshooting
The windshield in front of the camera
is dirty or obstructed. Clean the outside of the windshield in
front of the camera.
The windshield in front of the camera
is clean, but the message remains in
the instrument cluster display. Wait a short time. It could take several
minutes for the camera to detect that
there is no obstruction.
Radar Troubleshooting (If Equipped)
The surface of the radar in the grille is
dirty or obstructed. 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
instrument cluster display.
Wait a short time. It could take several
minutes for the radar to detect that
there is no obstruction.
Heavy rain, spray or fog is interfering
with the radar signals. The pre-collision assist system is
temporarily disabled. Pre-collision
assist reactivates a short time after
the weather conditions improve.
Swirling water or snow or ice on the
surface of the road is interfering with
the radar signals. The pre-collision assist system is
temporarily disabled. Pre-collision
assist reactivates a short time after
the weather conditions improve.
Radar is out of alignment due to a
front-end impact. Have your vehicle serviced to have the
radar checked for proper coverage and
operation.
PRE-COLLISION ASSIST –
FREQUENTLY ASKED QUESTIONS
- VEHICLES WITH: INTERSECTION
ASSIST
Camera Troubleshooting
The windshield in front of the camera
is dirty or obstructed. Clean the outside of the windshield in
front of the camera.
The windshield in front of the camera
is clean, but the message remains in
the instrument cluster display. Wait a short time. It could take several
minutes for the camera to detect that
there is no obstruction.
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(If Equipped)

WHAT IS DRIVER ALERT
Driver alert alerts you if it determines that
you are becoming drowsy or if your driving
deteriorates.
HOW DOES DRIVER ALERT
WORK
Driver Alert calculates your alertness level
based on your driving behavior in relation
to the lane markings and other factors
through use of the front camera sensor
behind the interior mirror.
DRIVER ALERT PRECAUTIONS
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: 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. WARNING:
The system may not
operate properly if the sensor is blocked.
Keep the windshield free from
obstruction.
Note: If something is blocking the camera
or damaged the windshield, Driver Alert may
not function.
DRIVER ALERT LIMITATIONS
Driver alert may not function correctly if:
• The sensor cannot track the road lane
markings.
• Your vehicle's speed is less than
approximately
40 mph (65 km/h).
SWITCHING DRIVER ALERT ON
AND OFF
1. Press
Features on the touchscreen.
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WHAT IS SPEED SIGN
RECOGNITION
Speed sign recognition detects speed limit
signs to inform you of the current speed
limit. Detected speed signs appear in the
information display.
HOW DOES SPEED SIGN
RECOGNITION WORK
Speed sign recognition uses a sensor
behind the interior mirror to detect speed
signs.
If your vehicle has speed sign recognition
with navigation, stored speed sign data
may influence the indicated speed limit
value.
SPEED SIGN RECOGNITION
PRECAUTIONS
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: In cold and severe
weather conditions the system may not
function. Rain, snow and spray can all
limit sensor performance. WARNING:
The system may not
operate properly if the sensor is blocked.
Keep the windshield free from
obstruction. Note:
Do not carry out windshield repairs
in the immediate area surrounding the
sensor.
Note: If your vehicle has a suspension kit
not approved by us, the system may not
correctly function.
Note: The system may not detect all speed
signs and may incorrectly read signs.
Note: Always fit our original parts when
replacing headlamp bulbs. Other bulbs may
reduce system performance.
SPEED SIGN RECOGNITION
LIMITATIONS
Speed sign recognition may not operate
correctly due to:
• Outdated map data.
• Incorrect recognition of speed limits by
the sensor of signs on parallel roads or
exit ramps.
• Missed recognition of faded, dirty, or
distorted signs.
SPEED SIGN RECOGNITION
INDICATORS When the system detects a speed limit
sign, it appears in the information display.
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