2021 FORD F-150 Owners Manual

DRIVE MODE CONTROL –
FREQUENTLY ASKED QUESTIONS
Why did the system default to normal
mode?
If a mode is unavailable due to a
system fault, it defaults to normal
mode and the driveline settings remain
the same as prior to the system fault.
381
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Drive Mode Control

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.
382
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System
(If Equipped)

The lane keeping system may not correctly
operate in any of the following conditions:
•
The lane keeping system does not
detect at least one lane marking.
• You switch the turn signal on.
• You apply direct steering, accelerate
fast or brake hard.
• The vehicle speed is less than 40 mph
(64 km/h).
• The anti-lock brake, stability control or
traction control system activates.
• The lane is too narrow.
• Something is obscuring the camera or
it is unable to detect the lane markings
due to environment, traffic or vehicle
conditions.
• Entering or exiting a tight curve when
driving at high speeds.
The lane keeping system may not correct
lane positioning in any of the following
conditions:
• High winds.
• Uneven road surfaces.
• Heavy or uneven loads.
• Incorrect tire pressure.
SWITCHING THE LANE
KEEPING SYSTEM ON AND
OFF To activate the lane keeping
system, press the button on the
steering wheel.
To deactivate the lane keeping system,
press the button again.
Note: When switching the system on or off
a message appears in the information and
entertainment display to show the status. Note:
The system stores the on or off
setting until manually changed, unless it
detects a MyKey ™. If the system detects a
MyKey ™, it defaults to the last setting for
that MyKey ™.
Note: If the system detects a MyKey ™,
pressing the button does not affect the on
or off status of the system. You can only
change the mode and intensity settings.
SWITCHING THE LANE
KEEPING SYSTEM MODE
The lane keeping system has different
settings that you can view or adjust using
the information display.
The system stores the last known selection
for each of these settings. You do not need
to readjust your settings each time you
switch on the system.
To change the lane keeping system mode,
use the touchscreen:
1. Press
Features on the touchscreen.
2. Press
Driver Assistance.
3. Press
Lane-Keeping System.
4. Press
Lane-Keeping Mode.
5. Select a mode.
Note: The system remembers the last
setting when you start your vehicle. If the
system detects a MyKey ™, it defaults to the
last setting for that MyKey ™.
ALERT MODE
WHAT IS ALERT MODE
Alert mode vibrates the steering wheel
when it detects an unintended lane
departure.
383
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System
(If Equipped)E334922

HOW DOES ALERT MODE WORK
When in alert mode, the lane keeping
system alerts you by vibrating the steering
wheel. The intensity of the vibration is set
through the lane keeping system menu.
ADJUSTING THE STEERING
WHEEL VIBRATION INTENSITY
To change the steering wheel vibration
intensity, use the touchscreen:
1. Press Features on the touchscreen.
2. Press
Driver Assistance.
3. Press
Lane-Keeping System.
4. Press
Lane-Keeping Intensity.
5. Select an intensity setting.
AID MODE
WHAT IS AID MODE
Aid mode provides temporary steering
assistance toward the center of the lane. HOW DOES AID MODE WORK
The lane keeping system aids you when
an unintentional lane departure occurs.
The system provides a small steering input
to move the vehicle towards the center of
the lane.
ALERT AND AID MODE
WHAT IS ALERT AND AID MODE
Alert and aid mode uses multiple features
to keep you in your lane. The system first
provides a small steering input to bring
your vehicle back towards the center of
the lane. If your vehicle moves too far out
of the center of the lane the system alerts
you with vibration in the steering wheel.
384
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System
(If Equipped)E165515 E165516

HOW DOES ALERT AND AID MODE
WORK
Alert.
A
Aid.B
The lane keeping system detects a lane
departure and provides aid when the
vehicles enters B and applies the
additional alert warning if A is entered. LANE KEEPING SYSTEM
INDICATORS If you switch the lane keeping system on,
a graphic with lane markings appears in
the information display.
When you switch the system off, the lane
marking graphics do not display.
Note:
The overhead vehicle graphic may
still display if adaptive cruise control is
enabled.
While the lane keeping system is on, the
color of the lane markings change to
indicate the system status. Red
Yellow
Green
Gray
Indicates that the
system is providing
or has just provided a lane keeping alert warning.
Indicates that the
system is providing
or has just provided a lane keeping aid intervention.
Indicates that the
system is available
or ready to provide a warning or interven-
tion on the indicated side.
Indicates that the
system is tempor-
arily unavailable to
provide a warning or intervention on the indicated side.
385
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System
(If Equipped)E165517 E335296

LANE KEEPING SYSTEM – TROUBLESHOOTING
LANE KEEPING SYSTEM – INFORMATION MESSAGES
Action
Message
The system has malfunctioned. Have yourvehicle checked as soon as possible.
Lane Keeping Sys. Malfunction Service
Required
The system has detected a condition thathas caused the system to be temporarily unavailable.
Front Camera Temporarily Not Available
The system has detected a condition that
requires you to clean the windshield in order for it to operate properly.
Front Camera Low Visibility Clean Screen
The system has malfunctioned. Have yourvehicle checked as soon as possible.
Front Camera Malfunction Service Required
The system requests that you keep yourhands on the steering wheel.
Keep Hands on Steering Wheel
386
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System (If Equipped)

LANE KEEPING SYSTEM – FREQUENTLY ASKED QUESTIONS
Why is the feature not available (lane markings are gray) when I can see the lane markings
on the road?
Your vehicle speed is less than 40 mph (65 km/h).
The sun is shining directly into the camera lens. A quick intentional lane change has occurred.
Your vehicle stays too close to the lane markings for an extended interval of time. Driving at high speeds in curves.
The last alert warning or aid intervention occurred a short time ago. Ambiguous lane markings, for example, in construction zones. Rapid transition from light to dark, or from dark to light. Sudden offset in lane markings.
ABS or AdvanceTrac ™ is active.
There is a camera blockage due to dirt, grime, fog, frost or water on the windshield. You are driving too close to the vehicle in front of you.
Transitioning between no lane markings to lane markings, or vice versa. There is standing water on the road.
Faint lane markings, for example, partial yellow lane markings on concrete roads. Lane width is too narrow or too wide.
You have not calibrated the camera after a windshield replacement. Driving on tight or on uneven roads.
387
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System
(If Equipped)

Why does the vehicle not come back toward the middle of the lane, as expected, in the
Aid, or Aid + Alert mode?
High cross winds are present. There is a large road crown.
Rough roads, grooves or shoulder drop-offs.
Heavy, uneven loading of the vehicle or improper tire inflation pressure. You changed the tires or modified the suspension.
388
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202104, Second-Printing Lane Keeping System (If Equipped)