2014 FORD EXPEDITION traction control

PRINCIPLES OF OPERATION
The traction control system helps avoid drive wheel spin and loss of
traction.
If your vehicle begins to slide, the system applies the brakes to individual
wheels and, when needed, reduces engine power at the same time. If the
wheels spin when accelerating on slippery or loose surfaces, the system
reduces engine power in order to increase traction.
USING TRACTION CONTROL
In certain situations (for example, stuck in snow or mud), turning the
traction control off may be beneficial as this allows the wheels to spin
with full engine power. Turn the traction control system off using the
TCS OFFbutton located on the center of the instrument panel.
System indicator lights and messages
WARNING:If a failure has been detected within the Traction
Control System, the stability control light will illuminate steadily.
Verify that the Traction Control System was not manually disabled.
If the stability control light still illuminates steadily, have the system
serviced by an authorized dealer immediately. Operating your vehicle
with Traction Control disabled could lead to an increased risk of loss of
vehicle control, vehicle rollover, personal injury and death.
The stability control light temporarily illuminates on engine
start-up and flashes when a driving condition activates the
stability system.
The stability control off light temporarily illuminates on engine
start-up and stays on when the traction control system is
turned off or if a problem occurs in the stability system.
When the traction control system is turned off or on, a message appears
in the information display showing system status.
202Traction Control
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PRINCIPLES OF OPERATION
WARNING:Vehicle modifications involving braking system,
aftermarket roof racks, suspension, steering system, tire
construction or wheel and tire size may change the handling
characteristics of the vehicle and may adversely affect the performance
of the AdvanceTrac® system. In addition, installing any stereo
loudspeakers may interfere with and adversely affect the AdvanceTrac®
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 AdvanceTrac® sensors.
Reducing the effectiveness of the AdvanceTrac® 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 AdvanceTrac® 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 AdvanceTrac® system activates, SLOW DOWN.
The AdvanceTrac® with Roll Stability Control™ system helps you keep
control of your vehicle when on a slippery surface. The electronic
stability control portion of the system helps avoid skids and lateral slides
and roll stability control helps avoid a vehicle rollover. The traction
control system helps avoid drive wheel spin and loss of traction. See the
Traction Controlchapter for details on traction control system
operation.
Stability Control203
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AVehicle without AdvanceTrac®
with RSC® skidding off its intended
route.
BVehicle with AdvanceTrac® with
RSC® maintaining control on a
slippery surface.
USING ADVANCETRAC® WITH RSC®
The system automatically activates when you start your engine. The
AdvanceTrac® with RSC® system cannot be completely turned off, but
the electronic stability control and roll stability control portions of the
system are disabled when the transmission is in positionR.You can turn
off the traction control portion of the system independently. See the
Traction Controlchapter.
204Stability Control
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Treadwear
The treadwear grade is a comparative rating based on the wear rate of the
tire when tested under controlled conditions on a specified government test
course. For example, a tire graded 150 would wear 1
12times as well on the
government course as a tire graded 100. The relative performance of tires
depends upon the actual conditions of their use, however, and may depart
significantly from the norm due to variations in driving habits, service
practices, and differences in road characteristics and climate.
Traction AA A B C
WARNING:The traction grade assigned to this tire is based on
straight-ahead braking traction tests, and does not include
acceleration, cornering, hydroplaning or peak traction characteristics.
The traction grades, from highest to lowest are AA, A, B, and C. The
grades represent the tire’s ability to stop on wet pavement as measured
under controlled conditions on specified government test surfaces of
asphalt and concrete. A tire marked C may have poor traction
performance.
Temperature A B C
WARNING:The temperature grade for this tire is established for
a tire that is properly inflated and not overloaded. Excessive
speed, underinflation, or excessive loading, either separately or in
combination, can cause heat buildup and possible tire failure.
The temperature grades are A (the highest), B and C, representing the
tire’s resistance to the generation of heat and its ability to dissipate heat
when tested under controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the material of the tire
to degenerate and reduce tire life, and excessive temperature can lead to
sudden tire failure. The grade C corresponds to a level of performance
which all passenger car tires must meet under the Federal Motor Vehicle
Safety Standard No. 139. Grades B and A represent higher levels of
performance on the laboratory test wheel than the minimum required by
law.
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H.U.S. DOT Tire Identification Number (TIN):This begins with the
letters DOT and indicates that the tire meets all federal standards. The
next two numbers or letters are the plant code designating where it was
manufactured, the next two are the tire size code and the last four
numbers represent the week and year the tire was built. For example,
the numbers 317 mean the 31st week of 1997. After 2000 the numbers
go to four digits. For example, 2501 means the 25th week of 2001. The
numbers in between are identification codes used for traceability. This
information is used to contact customers if a tire defect requires a recall.
I.M+S or M/S:Mud and Snow, or
AT:All Terrain, or
AS:All Season.
J.Tire Ply Composition and Material Used:Indicates the number of
plies or the number of layers of rubber-coated fabric in the tire tread and
sidewall. Tire manufacturers also must indicate the ply materials in the
tire and the sidewall, which include steel, nylon, polyester, and others.
K.Maximum Load:Indicates the maximum load in kilograms and
pounds that can be carried by the tire. See the Safety Compliance
Certification Label (affixed to either the door hinge pillar, door-latch
post, or the door edge that meets the door-latch post, next to the
driver’s seating position), for the correct tire pressure for your vehicle.
L.Treadwear, Traction and Temperature Grades
•Treadwear:The treadwear grade is a comparative rating based on the
wear rate of the tire when tested under controlled conditions on a
specified government test course. For example, a tire graded 150
would wear one and one-half (1
12) times as well on the government
course as a tire graded 100.
•Traction:The traction grades, from highest to lowest, are AA, A, B,
and C. The grades represent the tire’s ability to stop on wet pavement
as measured under controlled conditions on specified government test
surfaces of asphalt and concrete. A tire marked C may have poor
traction performance.
•Temperature:The temperature grades are A (the highest), B and C,
representing the tire’s resistance to the generation of heat and its
ability to dissipate heat when tested under controlled conditions on a
specified indoor laboratory test wheel.
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USING SNOW CHAINS
WARNING:Snow tires must be the same size, load index, speed
rating as those originally provided by Ford. Use of any tire or
wheel not recommended by Ford can affect the safety and performance
of your vehicle, which could result in an increased risk of loss of vehicle
control, vehicle rollover, personal injury and death. Additionally, the use
of non-recommended tires and wheels could cause steering, suspension,
axle, transfer case or power transfer unit failure.
Note:The suspension insulation and bumpers will help prevent vehicle
damage. Do not remove these components from your vehicle when using
snow tires and chains.
The tires on your vehicle have all-weather treads to provide traction in
rain and snow. However, in some climates, you may need to use snow
tires and chains. If you need to use chains, it is recommended that steel
wheels (of the same size and specifications) be used, as chains may chip
aluminum wheels.
Follow these guidelines when using snow tires and chains:
•If possible, avoid fully loading your vehicle.
•Use only cable type chains or chains offered by Ford as an accessory
or equivalent. Other conventional link type chains may contact and
cause damage to the vehicle’s wheel house and/or body.
•Do not install chains on the front wheels as this may interfere with
suspension components.
•Chains are not recommended for use on the P275/55R20 tire.
•Install chains securely, verifying that the chains do not touch any
wiring, brake lines or fuel lines.
•Do not exceed 30 mph (48 km/h) with tire chains on your vehicle.
•Drive cautiously. If you hear the chains rub or bang against your
vehicle, stop and retighten the chains. If this does not work, remove
the chains to prevent damage to your vehicle.
•Remove the tire chains when they are no longer needed. Do not use
tire chains on dry roads.
322Wheels and Tires
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General operation
Voice Command Control
Functions within the Windows Automotive-based system may be
accomplished using only voice commands. Using voice commands while
driving allows you to operate the system without removing your hands
from the wheel.
Prolonged Views of Screen
Do not access any function requiring a prolonged view of the screen while
you are driving. Pull over in a safe and legal manner before attempting to
access a function of the system requiring prolonged attention. Even
occasional short scans to the screen may be hazardous if your attention has
been diverted away from your driving task at a critical time.
Volume Setting
Do not raise the volume excessively. Keep the volume at a level where
you can still hear outside traffic and emergency signals while driving.
Driving while unable to hear these sounds could cause an accident.
Use of Speech Recognition Functions
Speech recognition software is inherently a statistical process which is
subject to errors. It is your responsibility to monitor any speech
recognition functions included in the system and address any errors.
Navigation Features
Any navigation features included in the system are intended to provide
turn by turn instructions to get you to a desired destination. Please make
certain all persons using this system carefully read and follow
instructions and safety information fully.
Distraction Hazard
Any navigation features may require manual (non-verbal) setup.
Attempting to perform such set-up or insert data while driving can
seriously distract your attention and could cause an accident or other
serious consequences. Stop the vehicle in a safe and legal manner before
attempting these operations.
Let Your Judgment Prevail
Any navigation features are provided only as an aid. Make your driving
decisions based on your observations of local conditions and existing
traffic regulations. Any such feature is not a substitute for your personal
judgment. Any route suggestions made by this system should never
replace any local traffic regulations or your personal judgment or
knowledge of safe driving practices.
488Appendices
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SIRIUS satellite radio voice
commands .................................446
SIRIUS Travel Link ...................457
Snowplowing ...............................15
SOS Post Crash Alert .................48
Spark plugs,
specifications .....................336, 341
Special notice
ambulance conversions ............15
Specification chart,
lubricants ...................................337
Stability system .........................204
Starting a flex fuel vehicle .......171
Starting your vehicle ........170–171
jump starting ..........................249
Status bars ................................429
Steering wheel ............................82
controls ......................................82
tilting .........................................82
Supplemental Restraint System
(SRS) (see airbags) ....................49
Suspension ................................214
SYNC® AppLink™ ...................407
SYNC® customer support ........382
SYNC® Services ........................405
System overview .......................426
T
Temperature control
(see Climate control) ..............121,
123, 125, 127
Text messaging .........................393
Text messaging (sending,
downloading, deleting) .....393, 395Third-row power fold seat .......152
Tilt steering wheel ......................82
Tires ...........................306–307, 327
alignment ................................320
care ..........................................306
changing ..........................327, 329
checking the pressure ............316
inflating ...................................314
label .........................................313
replacing ..................................318
rotating ....................................321
safety practices .......................320
sidewall information ...............309
snow tires and chains ............322
spare tire .................................327
terminology .............................308
tire grades ...............................307
treadwear ........................307, 316
Towing .......................226, 240–241
recreational towing .................241
Trailer Brake
Controller-Integrated ..............234
trailer towing ..........................226
wrecker ....................................240
Traction control ........................202
Traffic, Directions and
Information ................................405
Trailer Brake
Controller-Integrated ................234
Trailer sway control ..................227
Transmission
brake-shift interlock
(BSI) ................................187–188
fluid, checking and adding
(automatic) .............................278
fluid, refill capacities ..............337
lubricant specifications ..........337
Troubleshooting ................376, 480
Turn signal ..................................89
Index517
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