ECO mode FORD F-150 2021 Owners Manual

BRAKE PRECAUTIONS
WARNING: Driving your vehicle
with the warning lamp on is dangerous.
A significant decrease in braking
performance may occur. It may take you
longer to stop your vehicle. Have your
vehicle checked as soon as possible.
Driving extended distances with the
parking brake engaged can cause brake
failure and the risk of personal injury.
Wet brakes result in reduced braking
efficiency. Gently press the brake pedal a
few times when leaving a car wash or
driving from standing water to dry the
brakes.
Note: Depending on applicable laws and
regulations in the country for which your
vehicle was originally built, the stoplamps
could flash during heavy braking. Following
this the hazard warning flashers could also
turn on when your vehicle comes to a stop.
ANTI-LOCK BRAKING SYSTEM
ANTI-LOCK BRAKING SYSTEM
LIMITATIONS
The anti-lock braking system does not
eliminate the risk of crash when:
• You drive too closely to the vehicle in
front of you.
• Your vehicle is hydroplaning.
• You take corners too fast.
• The road surface is poor.
Note: If the system activates, the brake
pedal could pulse and travel further.
Maintain pressure on the brake pedal. BRAKE OVER ACCELERATOR
- RAPTOR
In the event the accelerator pedal
becomes stuck or entrapped, apply steady
and firm pressure to the brake pedal to
slow the vehicle and reduce engine power.
If you experience this condition, apply the
brakes and bring your vehicle to a safe
stop. Move the transmission to park (P),
switch the engine off and apply the parking
brake. Inspect the accelerator pedal for
any interference. If none are found and the
condition persists, have your vehicle towed
to the nearest authorized dealer.
Note:
Certain drive modes can disable
brake over accelerator for off-road driving.
BRAKE OVER ACCELERATOR
In the event the accelerator pedal
becomes stuck or entrapped, apply steady
and firm pressure to the brake pedal to
slow the vehicle and reduce engine power.
If you experience this condition, apply the
brakes and bring your vehicle to a safe
stop. Move the transmission to park (P),
switch the engine off and apply the parking
brake. Inspect the accelerator pedal for
any interference. If none are found and the
condition persists, have your vehicle towed
to the nearest authorized dealer.
LOCATING THE BRAKE FLUID
RESERVOIR
See
Under Hood Overview (page 504).
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ELECTRIC PARKING BRAKE – INFORMATION MESSAGES
Action
Message
The electric parking brake is set and a manual releaseis attempted without the brake pedal being pressed.
To Release: Press Brake and
Switch
The electric parking brake is set and an automaticrelease is attempted but cannot be performed. Perform a manual release.
Park Brake Use Switch to
Release
The electric parking brake is set and your vehicle speedexceeds 3 mph (5 km/h). Release the parking brake
before continuing driving.
Release Park Brake
The electric parking brake is not fully applied.
Park Brake Not Applied
The electric parking brake is not fully released.
Park Brake Not Released
The electric parking brake system has been put into aspecial mode that is used to allow service of the rear brakes. Contact an authorized dealer.
Park Brake Maintenance Mode
The electric parking brake system has detected a
condition that requires service. Some functionality
may still be available. Contact an authorized dealer.
Park Brake Limited Function
Service Required
The electric parking brake system has detected a
condition that requires service. Contact an authorized dealer.
Park Brake Malfunction Service
Now
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F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Electric Parking Brake

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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Stability Control and Traction Control with Roll Stability Control
Traction Control
System 3
Electronic
Stability
Control 3
Roll Stability
Control 3
Stability Control
OFF Light
Enabled
Enabled 3
Enabled
Illuminated
during bulb check
Default at start-
up
Disabled1
Enabled 3
Enabled
Illuminated
Button pressed
momentarily
Disabled1
Disabled 2
Enabled
Illuminated
Button pressed
and held for 5 - 15 seconds
Disabled1
Disabled
Disabled
Illuminated
Button not
pressed and
transfer case is
switched to 4x4 Low or put into Rock Crawl Mode
1 The Traction Control system can still be enabled but with tighter or looser thresholds.
2 When you press and hold the button, a progress bar will display to show the button hold
time progress.
3 Functions can vary depending on what selectable drive mode the vehicle is currently in.
STABILITY CONTROL
INDICATOR
Stability and Traction Control
Indicator If the indicator does not
illuminate when you switch the
power on, or remains on, this
indicates a malfunction. Have your vehicle
checked by an authorized dealer as soon
as possible.
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WHAT IS TRAIL CONTROL -
RAPTOR
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.
Trail control lets you focus on steering
during low-speed and off-road use by
controlling your vehicle's acceleration and
braking to maintain the speed that you set.
You may hear a noise from the anti-lock
brake system pump motor when you use
the system. This is normal.
TRAIL CONTROL LIMITATIONS
- RAPTOR
Trail control is unavailable when any of the
following occur:
• Your vehicle speed is greater than
20 mph (32 km/h)
in two-wheel drive
high (2H) or four-wheel drive high (4H)
modes.
• Your vehicle speed is greater than
9 mph (15 km/h)
in four-wheel drive
low (4L) mode.
• Your vehicle speed is greater than
5 mph (8 km/h)
in reverse (R).
• The transmission is in park (P).
• The driver side door is open or your
seatbelt is off when the driver side door
is removed.
• Cruise control is on.
• Pro trailer backup assist is on. SWITCHING TRAIL CONTROL
ON AND OFF - RAPTOR Press the button.
The system switches off if you press the
button again or exceed 40 mph (64 km/h).
SETTING THE TRAIL CONTROL
SPEED - RAPTOR
Note: The buttons are located on the
steering wheel.
Drive to your preferred speed. Press button to increase the set
current speed.
Press button to decrease the set
current speed.
Note: The indicator changes color.
You can adjust the set speed in small or
large increments. Press the toggle button
upward or downward once to adjust the
set speed in small increments. Press and
hold the toggle button upward or
downward to adjust the set speed in large
increments.
You can also adjust the set speed by
braking.
Note: Pressing the brake pedal does not
switch off the system.
CANCELING THE SET SPEED -
RAPTOR Press the button.
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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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Selecting a driveline mode other than
four-wheel drive high or four-wheel drive
low switches trail one pedal drive off.
If you exceed 40 mph (65 km/h) trail one
pedal drive switches off. Pressing either button when trail
one pedal drive is active turns
trail control on and places trail
one pedal drive into standby
mode.
Switching from Trail Control to
Trail One Pedal Drive When using trail control in
four-wheel drive high or
four-wheel drive low modes, you
can switch to trail one pedal drive by
pressing the button on the steering wheel.
TRAIL ONE PEDAL DRIVE
INDICATORS When trail one pedal drive is
active, the indicator displays
green in the instrument cluster.
When the system is switched on but is
unavailable or in standby mode, it displays
grey.
TRAIL ONE PEDAL DRIVE – TROUBLESHOOTING
TRAIL ONE PEDAL DRIVE – INFORMATION MESSAGES Action
Message
Displays when trail one pedal drive is active,use the SET+ or SET- to switch to trail control.
Trail 1-Pedal Drive Active Use SET Button
for Trail Control
Displays when you switch trail one pedaldrive off.
Trail Control with Trail 1- Pedal Drive Off
Trail control is in a driveline state not
supported for trail one pedal drive. Set a
speed to activate trail control or change the
driveline state to four-wheel drive high (4H) or four-wheel drive low (4L) modes to active trail one pedal drive.
Trail Control Enabled Use SET button to
Set Speed Trail 1-Pedal Drive Available in 4H or 4L
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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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(If Equipped)E338899 E338900

TRAIL TURN ASSIST –
TROUBLESHOOTING
TRAIL TURN ASSIST –
INFORMATION MESSAGES
Details
Message
Switch to four-wheel
drive low (4L) or four-
wheel drive high (4H) to activate trail turn assist. See Selecting a Four-
Wheel Drive Mode (page
294).
Trail Turn
Assist Avail- able in 4L or 4H
Trail turn assist systemmalfunction could be
present. if this condition persists, have yourvehicle serviced.
Trail Turn
Assist Not
Available See Manual
You have activated trailturn assist.
Trail Turn
Assist ON
You have switched trailturn assist off.
Trail Turn
Assist OFF
TRAIL TURN ASSIST –
FREQUENTLY ASKED QUESTIONS
Why does Trail Turn Assist not activate
after unlocking the rear differential? The rear differential may not be fully
disengaged. When possible, turn off
the rear axle locker while driving
straight before using trail turn assist.
If you are already in a tight turn when
you encounter this situation, driving
the vehicle for a short distance in
reverse could allow the differential to
fully disengage.
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(If Equipped)