2021 FORD F-150 parking sensors

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Page 50 of 796

FORD F-150 2021 Owners Manual REAR EXTERIOR
See Locating the Power Outlets (page 218).
A
See
Tailgate Work Surface (page 124).
B
See
Accessing the Tailgate Step (page 121).
C
See
Locating the 360 Degree Cameras (page 342).
D
Se

Page 51 of 796

FORD F-150 2021 Owners Manual REAR EXTERIOR - RAPTOR
See Locating the Power Outlets (page 218).
A
See
Locating the 360 Degree Cameras (page 343).
B
See
Locating the Blind Spot Information System Sensors (page 390).
C
See
Locati

Page 52 of 796

FORD F-150 2021 Owners Manual REAR EXTERIOR - POLICE RESPONDER
See Opening the Tailgate From Outside Your Vehicle (page 113). See
Opening the Tailgate From Outside Your Vehicle (page 119). See Opening
the Tailgate From Outside Y

Page 318 of 796

FORD F-150 2021 Owners Manual WHAT IS REVERSE BRAKING
ASSIST
The system uses sensors on the rear of
your vehicle to detect a possible collision
and applies the brakes to either reduce the
damage from impact, or to assist in
avoidi

WHAT IS REVERSE BRAKING
ASSIST
The system uses sensors on the rear of
your vehicle to detect a possible collision
and applies the brakes to either reduce the
damage from impact, or to assist in
avoiding the collision.
HOW DOES REVERSE
BRAKING ASSIST WORK
Reverse Braking Assist functions when in
reverse (R) and traveling at a speed of
1–
7 mph (1.5– 12 km/h).
If the system detects an obstacle behind
your vehicle, it provides a warning through
the rear parking aid or cross traffic alert
system.
REVERSE BRAKING 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:
To help avoid personal
injury, always use caution when in
reverse (R) and when using the sensing
system. 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. WARNING: Traffic control systems,
inclement weather, air brakes, external
motors and fans may affect the correct
operation of the sensing system. This
may cause reduced performance or false
alerts. WARNING:
Some situations and
objects prevent hazard detection. For
example low or direct sunlight, inclement
weather, unconventional vehicle types,
and pedestrians. 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:
Do not use the system
with accessories that extend beyond the
front or rear of your vehicle, for example
a trailer hitch or bike rack. The system is
not able to make corrections for the
additional length of the accessories.
The system only applies the brakes for a
short period of time when an event occurs.
Act as soon as you notice the brakes apply
in order to remain in control of the vehicle.
Note: Certain add-on devices around the
bumper or fascia may create false alerts.
For example, large trailer hitches, bicycle or
surfboard racks, license plate brackets,
bumper covers or any other device that may
block the normal detection zone of the
system. Remove the add-on device to
prevent false alerts.
Note: The system does not react to small
or moving objects, particularly those close
to the ground.
Note: The system does not operate during
hard acceleration or steering.
314
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Reverse Braking Assist
(If Equipped)

Page 319 of 796

FORD F-150 2021 Owners Manual Note:
If your vehicle sustains damage to
the bumper or fascia leaving it misaligned
or bent, it could alter the sensing zone
causing inaccurate measurement of
obstacles or false alerts.
Note: Vehicle

Note:
If your vehicle sustains damage to
the bumper or fascia leaving it misaligned
or bent, it could alter the sensing zone
causing inaccurate measurement of
obstacles or false alerts.
Note: Vehicle loading and suspension
changes can impact the angle of the sensors
and may change the normal detection zone
of the system resulting in inaccurate
measurement of obstacles or false alerts.
Note: When you connect a trailer, the
system may detect the trailer and provide
an alert, or the system turns off. If the
system does not turn off, switch the system
off manually after you connect the trailer.
Note: You may experience reduced system
performance on road surfaces that limit
deceleration. For example, roads with ice,
loose gravel, mud or sand.
SWITCHING REVERSE
BRAKING ASSIST ON AND OFF
1. Press Features on the touchscreen. 2. Press
Driver Assistance.
3. Switch
Reverse Brake Assist on or off.
Note: The system is unavailable when rear
parking aid or cross traffic alert is off.
OVERRIDING REVERSE
BRAKING ASSIST
There could be instances when
unexpected or unwanted braking occurs.
Firmly pressing the accelerator pedal or
switching the feature off overrides the
system.
REVERSE BRAKING ASSIST
INDICATORS
If the system determines that a collision
with an obstacle may occur, full braking
may apply. Bring your vehicle to a stop a
safe distance away from the obstacle. A message and warning
indicator appear when the
system applies the brakes.
REVERSE BRAKING ASSIST – TROUBLESHOOTING
REVERSE BRAKING ASSIST – INFORMATION MESSAGES Action
Message
Make sure that all doors, liftgate and hoodare closed. Drive the vehicle on a straight road for a short period. Make sure the
parking aids and cross traffic alert systems
are on. If the message remains on, have the system checked as soon as possible.
Reverse Brake Assist Not Available See
Manual
Displays when a system error has occurred.Have your vehicle checked as soon as possible.
Reverse Brake Assist Fault
Displays when reverse brake assist is off.
Reverse Brake Assist Off
315
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Reverse Braking Assist
(If Equipped)E293490

Page 320 of 796

FORD F-150 2021 Owners Manual REVERSE BRAKING ASSIST –
FREQUENTLY ASKED QUESTIONS
Why is reverse braking assist unavailable?
•
Make sure that all doors, liftgate and
hood are closed. Drive the vehicle on a
straight road for a

Page 338 of 796

FORD F-150 2021 Owners Manual PARKING AID PRECAUTIONS
WARNING: To help avoid personal
injury, always use caution when in
reverse (R) and when using the sensing
system. WARNING:
The system may not
detect objects with surfaces that

PARKING AID PRECAUTIONS
WARNING: To help avoid personal
injury, always use caution when in
reverse (R) and when using the sensing
system. WARNING:
The system may not
detect objects with surfaces that absorb
reflection. Always drive with due care
and attention. Failure to take care may
result in a crash. WARNING: Traffic control systems,
fluorescent lamps, inclement weather,
air brakes, external motors and fans may
affect the correct operation of the
sensing system. This may cause reduced
performance or false alerts. WARNING:
The system may not
detect small or moving objects,
particularly those close to the ground. WARNING:
The parking aid system
can only assist you to detect objects
when your vehicle is moving at parking
speeds. To help avoid personal injury you
must take care when using the parking
aid system. WARNING:
The system may not
function if the sensor is blocked. WARNING:
In cold and severe
weather conditions the system may not
function. Rain, snow and spray can all
limit sensor performance. WARNING:
If damage occurs in the
immediate area surrounding the sensor,
have your vehicle checked as soon as
possible. Note:
If your vehicle sustains damage
leaving the sensors misaligned, this will
cause inaccurate measurements or false
alerts.
When you connect a trailer to your vehicle,
the rear parking aid detects the trailer and
provides an alert. Disable the parking aid
when you connect a trailer to prevent the
alert.
Note: Certain add-on devices installed
around the bumper or fascia may create
false alerts, for example, large trailer
hitches, bike or surfboard racks, license plate
brackets, bumper covers or any other device
that could block the normal detection zone
of the parking aid system. Aftermarket spare
tires or spare tire covers mounted to the rear
tailgate could cause false alerts from the
park aid system. Remove the add-on device
to prevent false alerts.
Note: Keep the sensors free from snow, ice
and large accumulations of dirt. If the
sensors are covered, the system's accuracy
can be affected.
Do not clean the sensors with sharp
objects.
Note: When using a programmed MyKey,
you cannot switch the parking aids off. See
MyKey ™
(page 98).
REAR PARKING AID
(IF EQUIPPED)
WHAT IS THE REAR PARKING AID
Rear parking sensors detect objects behind
your vehicle when in reverse (R).
REAR PARKING AID LIMITATIONS
There is a decreased coverage area at the
outer corners.
When using a programmed MyKey, you
cannot switch the rear parking aid off.
334
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Parking Aids
(If Equipped)

Page 339 of 796

FORD F-150 2021 Owners Manual The rear parking aid sensors are active
when your vehicle is in reverse (R) and the
vehicle speed is less than 5 mph (8 km/h).
The sensor coverage area is up to
71 in
(180 cm) from the rear bumper.
T

The rear parking aid sensors are active
when your vehicle is in reverse (R) and the
vehicle speed is less than 5 mph (8 km/h).
The sensor coverage area is up to
71 in
(180 cm) from the rear bumper.
The rear parking aid detects large objects
when you shift into reverse (R) and any of
the following occur:
• Your vehicle is moving backward at a
low speed.
• Your vehicle is stationary but an object
is approaching the rear of your vehicle
at a low speed.
• Your vehicle is moving backward at a
low speed and an object is moving
towards your vehicle, for example
another vehicle at a low speed.
LOCATING THE REAR PARKING
AID SENSORS The rear parking aid sensors are in the rear
bumper. REAR PARKING AID AUDIBLE
WARNINGS
A warning tone sounds when your vehicle
approaches an object. As your vehicle
moves closer to an object, the rate of the
tone increases. The warning tone
continuously sounds when an object is 12 in
(30 cm)
or less from the rear bumper.
If your vehicle remains stationary for a few
seconds, the audible warning turns off. If
your vehicle moves backward the tone
sounds again.
Note: When the parking aid system sounds
a tone, the audio system could reduce the
set volume.
FRONT PARKING AID (IF EQUIPPED)
WHAT IS THE FRONT PARKING
AID
Front parking sensors detect objects in
front of your vehicle.
FRONT PARKING AID
LIMITATIONS
The front parking aid sensors are active
when your vehicle is in any position other
than park (P) and the vehicle speed is less
than
5 mph (8 km/h).
The sensor coverage area is up to
28 in
(70 cm) from the bumper.
If your vehicle is in reverse (R), the front
parking aid detects objects when your
vehicle is moving at a low speed or an
object is moving toward your vehicle and
provides an audio warning, for example
another vehicle at a low speed. Once your
vehicle reaches a stop, the audio warning
stops after a few seconds. Visual indication
is always active in reverse (R).
335
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Parking Aids
(If Equipped)E231381

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