brakes FORD F-150 2021 User Guide

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
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WHAT IS HILL START ASSIST
Hill Start Assist makes it easier for you to
pull away when your vehicle is on a slope
without using the parking brake.
HOW DOES HILL START
ASSIST WORK
When the system activates, your vehicle
remains stationary for a few seconds after
you release the brake pedal. This gives you
time to move your foot from the brake
pedal to the accelerator pedal. The brakes
release when the engine has developed
sufficient torque to prevent your vehicle
from rolling down the slope.
HILL START ASSIST
PRECAUTIONS
WARNING: The system does not
replace the parking brake. When you
leave your vehicle, always apply the
parking brake. WARNING:
You must remain in
your vehicle when the system turns on.
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 will turn
off if a malfunction is apparent. Failure
to take care may result in the loss of
control of your vehicle, serious personal
injury or death. HILL START ASSIST –
TROUBLESHOOTING
HILL START ASSIST –
INFORMATION MESSAGES Action
Message
Displays when
system is not avail- able. Have your
vehicle checked as soon as possible.
Hill Start Assist Not
Available
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HOW DOES AUTO HOLD WORK
Auto Hold applies the brakes to hold your
vehicle after you stop it and release the
brake pedal. This can help when waiting
on a hill or in traffic.
SWITCHING AUTO HOLD ON
AND OFF
WARNING: The system does not
replace the parking brake. When you
leave your vehicle, always apply the
parking brake. WARNING:
You must remain in
your vehicle when the system turns on.
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.
You can switch the system on or off by
accessing the menu in the SYNC display
screen.
1. Press
Features on the touchscreen.
2. Press
Driver Assistance.
Note: You can only switch the system on
after you close the driver door, and fasten
your seatbelt.
Note: The system remembers the last
setting when you start your vehicle.
Note: Make sure you switch the system off
before using an automatic car wash.
USING AUTO HOLD
1. Bring your vehicle to a complete stop. The auto hold active indicator
illuminates in the information display. 2. Release the brake pedal. The system
holds your vehicle at a standstill. The
auto hold active indicator remains
illuminated in the information display.
3. Pull away in the normal manner. The system releases the brakes and the
auto hold active indicator switches off.
Note: The system only activates if you
apply enough brake pressure on the brake
pedal.
Note: Under certain conditions, the system
could apply the electric parking brake. The
brake system warning lamp illuminates. The
electric parking brake releases when you
press the accelerator pedal. See
Automatically Releasing the Electric
Parking Brake
(page 311).
Note: The system switches off if you shift
into reverse (R) and press the brake pedal.
There could be actions that can cause the
auto hold system not to work when the
following occur:
• When you use active park assist.
• Your vehicle is in stay in neutral mode.
• The driver door is open.
• You have not fastened your seatbelt.
• You shift into reverse (R) before the
system is active.
AUTO HOLD INDICATORS Illuminates when the system is
active.
Illuminates when the system is
on but cannot hold your vehicle
at a standstill at this particular
time.
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WHAT IS TRACTION CONTROL
The traction control system helps to avoid
drive wheel spin and loss of traction.
HOW DOES TRACTION
CONTROL WORK
If your wheels begin to spin, the loss of
traction can compromise steering control
and stability of the vehicle. The traction
control system applies the brakes to
individual wheels and when needed,
reduces engine power at the same time to
increase traction.
SWITCHING TRACTION
CONTROL ON AND OFF
WARNING: Operating your vehicle
with the traction control disabled could
lead to an increased risk of loss of vehicle
control, vehicle rollover, personal injury
and death. The traction control system turns on each
time you switch the ignition on.
The button for the stability and traction
control system is on the instrument panel. Press and release the button to switch
traction control off. The stability control
system remains fully active, to switch it off,
press and hold the button for a few
seconds, then release.
When you switch traction control off, a
message and an illuminated icon appear
on the instrument cluster.
Press the switch again to turn the traction
control system back on to normal
operation.
If your vehicle is stuck in mud or snow,
switching traction control off may be
beneficial as this allows the wheels to spin.
Your vehicle may have MyKey restrictions
regarding this feature. See
What Is
MyKey (page 98).
TRACTION CONTROL
INDICATOR
Stability and Traction Control
Indicator If the indicator does not
illuminate when you switch the
ignition on, or remains on when
the engine is running, this indicates a
malfunction. Have your vehicle checked
by an authorized dealer as soon as
possible. The traction control off indicator
illuminates when you switch the
traction control system off, or
when an alternative stability control mode
is selected that requires the traction
control off depending on the drive mode
selected.
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HOW DOES STABILITY
CONTROL WORK
WARNING: Vehicle modifications
involving braking system, aftermarket
roof racks, suspension, steering system,
tire construction and wheel and tire size
may change the handling characteristics
of your vehicle and may adversely affect
the performance of the electronic
stability control system. In addition,
installing any stereo speakers may
interfere with and adversely affect the
electronic stability control system.
Reducing the effectiveness of the
electronic stability control system could
lead to an increased risk of loss of vehicle
control, vehicle rollover, personal injury
and death. WARNING:
Remember that even
advanced technology cannot defy the
laws of physics. It's always possible to
lose control of a vehicle due to
inappropriate driver input for the
conditions. Aggressive driving on any
road condition can cause you to lose
control of your vehicle increasing the risk
of personal injury or property damage.
Activation of the electronic stability
control system is an indication that at
least some of the tires have exceeded
their ability to grip the road; this could
reduce the operator's ability to control
the vehicle potentially resulting in a loss
of vehicle control, vehicle rollover,
personal injury and death. 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.
If a driving condition activates either the
stability control or traction control you may
experience the following conditions:
• The stability and traction control light
flashes.
• Your vehicle slows down.
• Reduced engine power.
The stability control system has several
features built into it to help you maintain
control of your vehicle:
Electronic Stability Control
Electronic stability control enhances your
vehicle ’s ability to prevent skids or lateral
slides by applying brakes to one or more
of the wheels individually and, if necessary,
reducing engine power.
Roll Stability Control
Roll stability control enhances your
vehicle ’s ability to prevent rollovers by
detecting your vehicle ’s roll motion and
the rate at which it changes by applying
the brakes to one or more wheels
individually.
Curve Control
Curve control enhances your vehicle ’s
ability to follow the road when cornering
severely or avoiding objects in the roadway.
Curve control operates by reducing engine
power and, if necessary, applying brakes
to one or more of the wheels individually.
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Side Wind Stabilization
Side wind stabilization is an advanced
feature that works by carefully applying
the brakes on one side of the vehicle to
reduce the effect of a side wind gust on
the vehicle's path.
Torque Vectoring by Brakes
Torque vectoring control applies brake
torque on the inner driven wheel in a curve
for better traction to avoid an understeer,
or oversteer situation. Unlike electronic
stability control, enhanced torque
vectoring control does not slow the
vehicle. It helps control excessive wheel
slip and gives the vehicle improved
cornering agility.
Traction Control
Traction control enhances your vehicle
’s
ability to maintain traction of the wheels
by detecting and controlling wheel spin.
See What Is Traction Control (page 319). Vehicle without stability control
skidding off its intended route.
A
Vehicle with stability control
maintaining control on a slippery
surface.
B
SWITCHING STABILITY
CONTROL ON AND OFF
Stability Control turns on each time you
switch the ignition on.
You can switch the stability control off by
pressing and holding the stability and
traction control button off for 5-15
seconds, or you can press the button again
to switch the system on.
Shifting the transmission into reverse (R)
will disable the system.
You can switch the traction control system
off or on independently. See Switching
Traction Control On and Off (page 319).
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TRAIL CONTROL INDICATORS
- RAPTOR
TRAIL ONE PEDAL DRIVE (IF
EQUIPPED)
WHAT IS TRAIL ONE PEDAL DRIVE
Trail one pedal drive allows you to
accelerate and brake using only the
accelerator pedal. The system assists
when driving through difficult off-road
terrain. Pressing the accelerator pedal
down accelerates your vehicle and
releasing pressure on the accelerator
pedal, with your foot still on the pedal,
slows your vehicle down. Releasing the
accelerator pedal may allow your vehicle
to come to a complete stop, some
situations may require you to press the
brake pedal to come to a complete stop.
TRAIL ONE PEDAL DRIVE
PRECAUTIONS WARNING:
This system is an extra
driving aid. It does not replace your
attention and judgment, or the need to
apply the brakes. This system does NOT
automatically brake your vehicle. If you
fail to press the brake pedal when
necessary, you may collide with another
vehicle.
Shifting into drive (D) or reverse (R) does
not cause the vehicle to move.
You can press the brake pedal to increase
braking. This does not turn the system off. Trail one pedal drive could apply the
parking brake when your vehicle is not
moving and not in park (P).
Note:
Always check the transmission
selection before accelerating.
Note: Only use trail one pedal drive on
slippery or loose surfaces. Using trail one
pedal drive on dry, hard surfaces could
produce some vibration, driveline bind up
and potential excessive tire and vehicle
wear.
TRAIL ONE PEDAL DRIVE
LIMITATIONS
Trail one pedal drive is unavailable when
any of the following occur:
• Your vehicle is not in four-wheel drive
high (4H) or four-wheel drive low (4L)
modes.
• Using cruise control.
• Using trail control.
• You exceed
30 mph (48 km/h).
Releasing the accelerator pedal may allow
your vehicle to come to a complete stop,
some situations may require you to press
the brake pedal to come to a complete
stop.
SWITCHING TRAIL ONE PEDAL
DRIVE ON AND OFF
Switching Trail One Pedal Drive On Press the trail features button
when in four-wheel drive high or
four-wheel drive low to activate
trail one pedal drive.
Switching Trail One Pedal Drive
Off
Press the trail features button again to
switch trail one pedal drive off.
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WHAT IS TRAIL TURN ASSIST
Trail turn assist can reduce the turning
radius of your vehicle by applying the
brakes to the inside rear wheel in
low-speed, high steering-angle maneuvers.
TRAIL TURN ASSIST
PRECAUTIONS
Note:
Do not use trail turn assist on dry,
hard surfaced roads. Doing so can produce
excessive noise, increase tire wear and may
damage drive line, or braking components.
Trail turn assist is only intended for slippery,
or loose surfaces.
You may hear noise from the anti-lock
brake system while trail turn assist is
active. This is normal operation.
TRAIL TURN ASSIST
LIMITATIONS
Trail turn assist can only be used when the
vehicle ’s four-wheel drive system is in the
four-wheel drive high (4H), or four-wheel
drive low (4L) modes.
Trail Turn Assist cannot be used when the
vehicle ’s rear differential is locked. If the
rear differential has recently been locked
prior to Trail Turn Assist being turned on,
Trail Turn Assist may not activate until it
can confirm that the rear differential is
unlocked.
SWITCHING TRAIL TURN
ASSIST ON AND OFF
You can switch the trail turn assist on or
off from the features section of the vehicle
on screen display.
1. Press Features on the touchscreen.
2. Press
Trail Turn Assist. 3. Switch
Trail Turn Assist on or off.
Switch trail turn assist on when your
vehicle is in four-wheel drive high (4H) or
four-wheel drive low (4L).
The system activates when the:
• Vehicle speed is less than
12 mph
(19.3 km/h).
• Rear differential is fully unlocked.
• Steering wheel is almost fully turned
to the left or right.
Switch trail turn assist off by performing
any of the following:
• Switch trail turn assist off from the
features section of the vehicle on
screen display.
• Select two-wheel drive high, or
four-wheel drive auto.
• Switch on the rear locking differential.
TRAIL TURN ASSIST
INDICATORS When trail turn assist is on, one
of these two indicators will be
displayed, depending on the
direction of the vehicle
’s last
turn. When the feature is on but
not in use, the indicator light will
be gray. When the feature is active the
indicator light will be green.
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WHAT IS HILL DESCENT
CONTROL
Hill descent control allows the driver to set
and maintain vehicle speed while
descending steep slopes in various surface
conditions.
HOW DOES HILL DESCENT
CONTROL WORK
Hill descent control can maintain vehicle
speeds on downhill slopes between
2
– 20 mph (3– 32 km/h). Above 20 mph
(32 km/h), the system remains on but the
descent speed cannot be set or
maintained.
Note: The system does not function below
2 mph (3 km/h)
.
The system requires a cool down interval
after a period of sustained use. Hill descent
control provides a warning in the message
center and a tone sounds when the system
is about to disengage for cooling. At this
time, manually apply the brakes as needed
to maintain descent speed.
Note: The amount of time that the system
can remain active before cooling varies with
conditions.
HILL DESCENT CONTROL
PRECAUTIONS WARNING:
The system does not
control speed in low traction conditions
or extremely steep slopes. 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
personal injury. WARNING:
Hill descent control
cannot control descent in all surface
conditions and circumstances, such as
ice or extremely steep grades. Hill
descent control is a driver assist system
and cannot substitute for good judgment
by the driver. Failure to do so may result
in loss of vehicle control, crash or serious
injury. WARNING:
The system does not
replace the parking brake. When you
leave your vehicle, always apply the
parking brake and shift the transmission
into park (P) for automatic transmission
or first gear for manual transmission.
SWITCHING HILL DESCENT
CONTROL ON AND OFF Press the button on the
instrument panel. A light
illuminates and a tone sounds
when the system is active.
SETTING THE HILL DESCENT
SPEED
To increase or decrease the descent speed,
press the accelerator or brake pedal, or use
the SET
+ and SET - buttons on the
steering wheel. Once you reach the
preferred speed remove your feet from the
pedals.
HILL DESCENT CONTROL
INDICATOR Illuminates when you switch hill
descent control on.
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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.
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