wheel FORD EXPEDITION 2018 Service Manual

PRINCIPLE OF OPERATION
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 loudspeakers may
interfere with and adversely affect the
electronic stability control system. Install
any aftermarket stereo loudspeaker as
far as possible from the front center
console, the tunnel, and the front seats
in order to minimize the risk of interfering
with the electronic stability control
sensors. 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. If your
electronic stability control system
activates, SLOW DOWN.
The system automatically turns on each
time you switch the ignition on. If a fault occurs in either the stability
control or the traction control system, you
may experience the following conditions:
•
The stability and traction control light
illuminates steadily.
• The stability control and traction
control systems do not enhance your
vehicle's ability to maintain traction of
the wheels.
If a driving condition activates either the
stability control or the traction control
system you may experience the following
conditions:
• The stability and traction control light
flashes.
• Your vehicle slows down.
• Reduced engine power.
• A vibration in the brake pedal.
• The brake pedal is stiffer than usual.
• If the driving condition is severe and
your foot is not on the brake, the brake
pedal may move as the system applies
higher brake force.
The stability control system has several
features built into it to help you maintain
control of your vehicle:
Electronic Stability Control
The system 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
The system 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.
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Traction Control
The system enhances your vehicle
’s ability
to maintain traction of the wheels by
detecting and controlling wheel spin. See
Using Traction Control (page 215). Vehicle without stability control
skidding off its intended route.
A
Vehicle with stability control
maintaining control on a slippery
surface.
B USING STABILITY CONTROL
Stability Control and Traction
Control with Roll Stability
Control
™ (RSC™)
The system automatically activates when
you start your engine. You can switch off
the electronic stability control and roll
stability control portions of the system
below 35 mph (56 km/h). When the
transmission is in reverse (R), they are
disabled. You can switch off the traction
control portion of the system
independently. See
Using Traction
Control (page 215). Stability Control and Traction Control with RSC Features
Traction
control system
Electronic
stabilitycontrol
Roll stability
control
Stability
control OFF light
Button func-
tions
Enabled
Enabled
Enabled
Illuminated
during bulb check
Default at start-
up
Disabled 1
Enabled 1
Enabled
Illuminated
Button pressed
momentarily
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AA
B
BB
B

Stability Control and Traction Control with RSC Features
Disabled 4
Disabled
Disabled
Flashes then
illuminated
solid 2
Button pressed
and held for
more than 5 seconds at
vehicle speed
under 35 mph (56 km/h)
Disabled1
Enabled 1
Enabled
Illuminated
Vehicle speed
exceeds 35 mph (56 km/h) after button is
pressed and
held for more
than 5 seconds
Enabled
Enabled
Enabled
Not illuminated
Button pressed
again after
deactivation
Disabled 4
Disabled
Disabled
Illuminated
Button not
pressed and the transfer case is
switched to 4X4
Low3
1 The traction control system may still be enabled but with higher entry thresholds
compared to the full system. The electronic stability control entry thresholds are higher
compared to the full system.
2 When you press and hold the button for more than 5 seconds the indicator lamp blinks
for three seconds.
3 Your vehicle may or may not have this feature available. When you select 4X4 Low the
stability control light illuminates and all stability control with RSC features are disabled.
4 Engine traction control and two-wheel spin brake traction control functions are disabled.
Single wheel spin traction control is always enabled.
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The side sensing system may not be
available until you have driven
approximately the length of your vehicle
in order for the system to reinitialize if:
•
You switch the ignition on, off and back
on.
• Your vehicle remains stationary for over
two minutes.
• The anti-lock brake system is
activated.
• The traction control system is
activated.
• When the steering wheel angle
information is not available, the side
sensing system is not available. The
vehicle must be driven at least 492 ft
(150 m) above 19 mph (30 km/h) to
recover the steering wheel angle
information.
ACTIVE PARK ASSIST
(IF
EQUIPPED) 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 sensors may not
detect objects in heavy rain or other
conditions that cause interference. WARNING:
Active park assist does
not apply the brakes under any
circumstances. 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.
Active park assist is a multi-step process
and may require you to shift the
transmission multiple times. Follow the
onscreen instructions until the parking
maneuver is complete.
If you are uncomfortable with the proximity
to any vehicle or object, you may choose
to override the system by grabbing the
steering wheel, or by taking full control of
your vehicle after pressing the active park
assist button.
Keep your hands, hair, clothing and any
loose items clear of the steering wheel
when using active park assist.
The sensors are on the front and rear
bumpers.
Note: Keep the sensors free from snow, ice
and large accumulations of dirt.
Note: Do not cover up the sensors.
Note: Do not clean the sensors with sharp
objects.
Note: The sensors may not detect objects
with surfaces that absorb ultrasonic waves.
The sensors may falsely detect objects due
to ultrasonic interference caused by
motorcycle exhausts, truck air brakes or
horns, for example.
Note: If you change any tires, the system
must recalibrate and may not correctly
operate for a short time.
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When the vehicle speed is less than
22 mph (35 km/h), the system scans both
sides of your vehicle for an available
parking space. A message and a graphic
appear in the information display to
indicate the system is searching for a
parking space. Use the direction indicator
lever to search for a parking space on the
driver or passenger side of your vehicle.
Note:
The system scans both sides of your
vehicle and offers parking spaces one side
at a time if you do not use the direction
indicator.
Note: The system defaults to the passenger
side if you do not use the direction indicator. Drive your vehicle approximately 3 ft (1 m)
and parallel to the other parked vehicles
when searching for a parking space.
Note:
If you drive your vehicle less than 2 ft
(0.5 m) or greater than 5 ft (1.5 m) away
from other parked vehicles, the system may
not be able to detect an available parking
space.
When the system detects a suitable space,
a message displays and a tone sounds.
Stop your vehicle and follow the onscreen
instructions. If your vehicle is moving very
slowly, you may have to move forward a
short distance before the system is ready
to park.
Note: You must observe that the space the
system selects remains clear of obstructions
at all times during the maneuver.
Note: The system always offers the last
parking space it detects. For example, if your
vehicle detects multiple spaces when you
are driving, it offers the last one. Note:
If the vehicle speed is greater than
approximately
22 mph (35 km/h), the
system shows a message to instruct you to
reduce the vehicle speed.
Automatically Steering into a Parallel
Parking Space
When you shift into reverse (R), with your
hands off the steering wheel and nothing
obstructing its movement, your vehicle
steers itself into the space. The system
displays instructions to move your vehicle
backward and forward in the space.
Note: If the vehicle speed exceeds
approximately
6 mph (9 km/h), you
interrupt the maneuver, or the system
switches off, you must take full control of
your vehicle.
Note: If the system detects an object is very
close to your vehicle and it may be unsafe
to continue the maneuver, it may instruct
you to stop your vehicle. The system may
not provide any further instruction. Steering
assistance continues to operate but you
must decide if it is safe to continue the
maneuver. When you believe your vehicle is correctly
parked, or a solid tone sounds and an
information message appears, bring your
vehicle to a complete stop.
When the Active Park Assist maneuver is
complete, a tone sounds and an
information message appears.
Note:
You are responsible for checking how
your vehicle is parked and making any
necessary corrections before leaving your
vehicle.
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Deactivating Active Park Assist
You can manually deactivate the system
by:
•
Pressing the Active Park Assist button
during an active maneuver.
• Grabbing the steering wheel during an
active maneuver.
• Driving above 22 mph (35 km/h) for 30
seconds when searching for a parking
space.
• Driving above 31 mph (50 km/h).
• Driving above
6 mph (9 km/h) during
an active maneuver.
• Switching the traction control system
off.
Certain vehicle conditions may also
deactivate the system, for example:
• The traction control system activates
or fails.
• The anti-lock brake system activates
or fails.
If the system malfunctions, a message
appears and a tone sounds. Have your
vehicle checked as soon as possible.
Perpendicular Parking
The system detects available
perpendicular parking spaces and steers
your vehicle into the space. You control the
accelerator, gearshift and brakes. The
system visually and audibly guides you into
a perpendicular parking space. Press the button twice to search
for a parking space. When the vehicle speed is less than 19 mph
(30 km/h)
, the system scans both sides of
your vehicle for an available parking space.
A message and a graphic appear in the
information display to indicate the system
is searching for a parking space. Use the
direction indicator lever to search for a
parking space on the driver or passenger
side of your vehicle.
Note: The system scans both sides of your
vehicle and offers parking spaces one side
at a time if you do not use the direction
indicator.
Note: The system defaults to the passenger
side if you do not use the direction indicator. Drive your vehicle approximately 3 ft (1 m)
and perpendicular to the other parked
vehicles when searching for a parking
space.
Note:
If you drive your vehicle less than 2 ft
(0.5 m)
or greater than 5 ft (1.5 m) away
from other parked vehicles, the system may
not be able to detect an available parking
space.
When the system detects a suitable space,
a message displays and a tone sounds.
Stop your vehicle and follow the onscreen
instructions. If your vehicle is moving very
slowly, you may have to move forward a
short distance before the system is ready
to park.
Note: You must observe that the space the
system selects remains clear of obstructions
at all times during the maneuver.
Note: The system always offers the last
detected parking space. For example, if your
vehicle detects multiple spaces when you
are driving, it offers the last one.
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Note:
If the vehicle speed is greater than
approximately 19 mph (30 km/h), the
system shows a message to instruct you to
reduce the vehicle speed.
Automatically Steering into a
Perpendicular Parking Space
When you shift into reverse (R), with your
hands off the steering wheel and nothing
obstructing its movement, your vehicle
steers itself into the space. The system
displays instructions to move your vehicle
backward and forward in the space.
Note: If the vehicle speed exceeds
approximately
6 mph (9 km/h), you
interrupt the maneuver, or the system
switches off, you must take full control of
your vehicle.
Note: If the system detects an object is very
close to your vehicle and it may be unsafe
to continue the maneuver, it may instruct
you to stop your vehicle. The system may
not provide any further instruction. Steering
assistance continues to operate but you
must decide if it is safe to continue the
maneuver. When you believe your vehicle is correctly
parked, or a solid tone sounds and an
information message appears, bring your
vehicle to a complete stop. When the active park assist maneuver is
complete, a tone sounds and a message
appears.
Note:
You are responsible for checking how
your vehicle is parked and making any
necessary corrections before leaving your
vehicle.
Deactivating Active Park Assist
You can manually deactivate the system
by:
• Pressing the Active Park Assist button
during an active maneuver.
• Grabbing the steering wheel during an
active maneuver.
• Driving above
19 mph (30 km/h) for 30
seconds when searching for a parking
space.
• Driving above
31 mph (50 km/h).
• Driving above
6 mph (9 km/h) during
an active maneuver.
• Switching the traction control system
off.
Certain vehicle conditions may also
deactivate the system, for example:
• The traction control system activates
or fails.
• The anti-lock brake system activates
or fails.
If the system malfunctions, a message
appears and a tone sounds. Have your
vehicle checked as soon as possible.
Parallel Park Out Assist
The system steers your vehicle out of a
parallel parking space. You control the
accelerator, gearshift and brakes. The
system visually and audibly guides you out
of a parallel parking space.
Note: This system is not intended to assist
when exiting a perpendicular parking space.
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Camera System Settings
The rear view camera system settings can
be accessed through the display screen.
See General Information (page 111).
Camera Guidelines
Note: Active guidelines are only available
when the transmission is in reverse (R). Active guidelines (If equipped)
A
Centerline
B
Fixed guideline: Green zone
C
Fixed guideline: Yellow zone
D
Fixed guideline: Red zone
E
Rear bumper
F Active guidelines are only shown with fixed
guidelines. To use active guidelines, turn
the steering wheel to point the guidelines
toward an intended path. If you change
the steering wheel position while reversing,
your vehicle might deviate from the original
intended path.
The fixed and active guidelines fade in and
out depending on the steering wheel
position. The active guidelines do not
display when the steering wheel position
is straight.
Always use caution while reversing.
Objects in the red zone are closest to your
vehicle and objects in the green zone are
farther away. Objects are getting closer to
your vehicle as they move from the green
zone to the yellow or red zones. Use the
side view mirrors and rear view mirror to
get better coverage on both sides and rear
of the vehicle.
Obstacle Distance Indicator
(If
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PRINCIPLE OF OPERATION
Cruise control lets you maintain a set
speed without keeping your foot on the
accelerator pedal. You can use cruise
control when your vehicle speed is greater
than 20 mph (30 km/h).
USING CRUISE CONTROL
(IF
EQUIPPED) WARNING:
Do not use cruise
control on winding roads, in heavy traffic
or when the road surface is slippery. This
could result in loss of vehicle control,
serious injury or death. WARNING:
When you are going
downhill, your vehicle speed could
increase above the set speed. The
system does not apply the brakes.
Note: Cruise control disengages if the
vehicle speed decreases more than 10 mph
(16 km/h) below the set speed when driving
uphill. The cruise controls are on the steering
wheel. Switching Cruise Control On
Press
ON. The indicator appears in the
information display.
Setting the Cruise Speed
1. Drive to desired speed.
2. Press
SET+ or SET-.
3. Take your foot off the accelerator pedal.
Note: The indicator changes color.
Changing the Set Speed
Note: If you accelerate by pressing the
accelerator pedal, the set speed will not
change. When you release the accelerator
pedal, your vehicle returns to the speed that
you previously set.
• Press
SET+ or SET- to change the set
speed in small increments.
• Press the accelerator or brake pedal
until you reach the desired speed. Press
SET+
or SET-.
• Press and hold SET+ or SET-. Release
the control when you reach the desired
speed.
Canceling the Set Speed
Press
CNCL or tap the brake pedal. The
set speed does not erase.
Resuming the Set Speed
Press
RES.
Switching Cruise Control Off
Note: You erase the set speed when you
switch the system off.
Press
OFF when the system is in standby
mode, or switch the ignition off.
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USING ADAPTIVE CRUISE
CONTROL (IF EQUIPPED)
WARNING:
Always pay close
attention to changing road conditions
when using adaptive cruise control. The
system does not replace attentive
driving. Failing to pay attention to the
road may result in a crash, serious injury
or death. WARNING:
Do not use the
adaptive cruise control when entering or
leaving a highway, on roads with
intersections or roundabouts or
non-vehicular traffic or roads that are
winding, slippery, unpaved, or steep
slopes. WARNING:
Do not use the system
in poor visibility, for example fog, heavy
rain, spray or snow. WARNING:
Do not use the system
when towing a trailer with aftermarket
trailer brake controls. Aftermarket trailer
brakes will not function properly when
you switch the system on because the
brakes are electronically controlled.
Failing to do so may result in loss of
vehicle control, which could result in
serious injury. WARNING:
Do not use tire sizes
other than those recommended because
this can affect the normal operation of
the system. Failure to do so may result
in a loss of vehicle control, which could
result in serious injury. WARNING: Adaptive cruise control
may not detect stationary or slow
moving vehicles below 6 mph (10 km/h). WARNING: Adaptive cruise control
does not detect pedestrians or objects
in the road. WARNING: Adaptive cruise control
does not detect oncoming vehicles in the
same lane. WARNING: Adaptive cruise control
is not a crash warning or avoidance
system. WARNING:
Do not use adaptive
cruise control with a snow plow blade
installed.
Note: It is your responsibility to stay alert,
drive safely and be in control of the vehicle
at all times.
The system adjusts your vehicle speed to
maintain the set gap between you and the
vehicle in front of you in the same lane.
You can select four gap settings.
The system uses a radar sensor that
projects a beam directly in front of your
vehicle. The adaptive cruise controls are on the
steering wheel.
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