trailer FORD EXPEDITION EL 2017 User Guide

PRINCIPLE OF OPERATION
WARNINGS
To help avoid personal injury, pleaseread and understand the limitationsof the system as contained in thissection. Sensing is only an aid for some(generally large and fixed) objects whenmoving on a flat surface at parking speeds.Certain objects with surfaces that absorbultrasonic waves, surrounding vehicle'sparking aid systems, traffic controlsystems, fluorescent lamps, inclementweather, air brakes, and external motorsand fans may also affect the function ofthe sensing system; this may includereduced performance or a false activation.
To help avoid personal injury, alwaysuse caution when in reverse (R) andwhen using the sensing system.
This system is not designed toprevent contact with small or movingobjects. The system is designed toprovide a warning to assist the driver indetecting large stationary objects to avoiddamaging your vehicle. The system maynot detect smaller objects, particularlythose close to the ground.
Certain add-on devices such as largetrailer hitches, bike or surfboard racksand any device that may block thenormal detection zone of the system, maycreate false beeps.
Note:Keep the sensors, located on thebumper or fascia, free from snow, ice andlarge accumulations of dirt. If the sensorsare covered, the system’s accuracy can beaffected. Do not clean the sensors withsharp objects.
Note:If your vehicle sustains damage tothe bumper or fascia, leaving it misalignedor bent, the sensing zone may be alteredcausing inaccurate measurement ofobstacles or false alarms.
Note:The sensing system cannot be turnedoff when a MyKey is present. See Principleof Operation (page 47).
Note:If you attach certain add-on devicessuch as a trailer or bike rack, the rear sensingsystem may detect that add-on device andtherefore provide warnings. It is suggestedthat you disable the rear sensing systemwhen you attach an add-on device to yourvehicle to prevent these warnings.
The sensing system warns the driver ofobstacles within a certain range of yourvehicle. The system turns on automaticallywhenever you switch the ignition on.
You can turn the system on oroff by pressing the parking aidbutton. If your vehicle does nothave a parking aid button, the system canbe switched off through the informationdisplay menu or from the pop-up messagethat appears once you shift thetransmission into reverse (R). See GeneralInformation (page 91).
If a fault is present in the system, a warningmessage appears in the informationdisplay. See Information Messages(page 102).
REAR PARKING AID (If Equipped)
The rear sensors are only active when thetransmission is in reverse (R). As yourvehicle moves closer to the obstacle, therate of the audible warning increases.When the obstacle is less than 12 in(30 cm) away, the warning soundscontinuously. If the system detects astationary or receding object farther than12 in (30 cm) from the corners of thebumper, the tone sounds for only threeseconds. Once the system detects anobject approaching, the warning soundsagain.
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Parking AidsE139213

The system uses two types of guides tohelp you see what is behind your vehicle:
•Fixed guidelines: Show the actual pathyour vehicle is moving in while reversingin a straight line. This can be helpfulwhen backing into a parking space oraligning your vehicle with anotherobject behind you.
•Centerline: Helps align the center ofyour vehicle with an object (forexample, a trailer).
Note:The image may remain onmomentarily when you shift thetransmission out of reverse (R). If yourvehicle speed reaches 6 mph (10 km/h) or10 seconds elapse and the image remainson, have your system inspected by anauthorized dealer.
Note:When towing, the camera only seeswhat you are towing behind your vehicle.This might not provide adequate coverageas it usually provides in normal operationand you might not see some objects. Insome vehicles, the guidelines may disappearonce you engage the trailer tow connector.
The camera may not operate correctlyunder the following conditions:
•Nighttime or dark areas if one or bothreverse lamps are not operating.
•Mud, water or debris obstructs thecamera's view. Clean the lens with asoft, lint-free cloth and non-abrasivecleaner.
•The camera is misaligned due todamage to the rear of your vehicle.
Camera Guidelines
Note:Fixed guidelines are only availablewhen the transmission is in reverse (R).
Note:The centerline is only available iffixed guidelines are on.
Rear bumperA
Fixed guideline: Red ZoneB
Fixed guideline: Yellow zoneC
Fixed guideline: Green zoneD
CenterlineE
Always use caution while reversing.Objects in the red zone are closest to yourvehicle and objects in the green zone arefarther away. Objects are getting closer toyour vehicle as they move from the greenzone to the yellow or red zones. Use theside view mirrors and rear view mirror toget better coverage on both sides and rearof the vehicle.
Camera System Settings
Rear view camera system settings can beaccessed through the multifunctionaldisplay. See General Information (page91).
Enhanced Park Aids or Park Pilot
Selectable settings for this feature are ONand OFF.
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Parking AidsE163914
A
E
D
C
B

When the blockage is removed, the systemcan be reset in two ways: 1) when at leasttwo objects are detected while driving, or2) turn the ignition key from on to off, then
back on. If the blockage is still present afterthe key cycle, the system senses again thatit is blocked after driving in traffic.
Reasons for messages being displayed
Clean the fascia area in front of the radaror remove the obstruction.The radar surface is dirty or obstructed
Drive normally in traffic for a few minutesto allow the radar to detect passingvehicles so it can clear the blocked state.
The radar surface is not dirty or obstructed
No action required. The system automatic-ally resets to an unblocked state once therainfall/snowfall rate decreases or stops.Do not use the Blind Spot InformationSystem or Cross Traffic Alert in theseconditions.
Heavy rainfall/snowfall interferes with theradar signals
System Limitations
The Blind Spot Information and CrossTraffic Alert systems do have theirlimitations; situations such as severeweather conditions or debris build-up onthe sensor area may limit vehicle detection.
The following are other situations that maylimit the Blind Spot Information System:
•Certain maneuvering of vehiclesentering and exiting the blind zone.
•Vehicles passing through the blind zoneat very fast rates.
•When several vehicles forming aconvoy pass through the blind zone.
The following are other situations that maylimit the Cross Traffic Alert:
•Adjacently parked vehicles or objectsobstructing the sensors.
•Approaching vehicles passing atspeeds greater than 15 mph (24 km/h).
•Driving in reverse faster than 3 mph(5 km/h).
•Backing out of an angled parking spot.
False Alerts
Note:If you connected a trailer to yourvehicle, the Blind Spot Information Systemmay detect the trailer causing a false alert.To avoid false alerts you may want to turnthe system off manually.
There may be certain instances wheneither the Blind Spot Information or CrossTraffic Alert systems illuminate the alertindicator with no vehicle in the coveragezone; this is known as a false alert. Someamount of false alerts are normal; they aretemporary and self-correct.
System Errors
If the system senses a problem with theleft or right sensor, the telltale willilluminate and a message will appear inthe information display. See InformationMessages (page 102).
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Driving Aids

If the loaded vehicle is not moved forapproximately 12 hours, the leveling systemmay bleed down to a lower height. Thiscan be especially apparent if a trailer is leftattached to the parked vehicle for longperiods of time. You must drive your vehiclein order to re-level the suspension.
If a self-equalizing hitch is used, yourvehicle should be driven approximately2 mi (3.2 km) with the trailer prior toadjusting (leveling) the hitch.
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Driving Aids

LOAD LIMIT
Vehicle Loading - with andwithout a Trailer
This section guides you in theproper loading of your vehicle,trailer, or both. Keep your loadedvehicle weight within its designrating capability, with or withouta trailer. Properly loading yourvehicle provides maximum returnof vehicle design performance.Before you load your vehicle,become familiar with thefollowing terms for determiningyour vehicle’s weight rating, withor without a trailer, from thevehicle’s Tire and LoadingInformation label or SafetyCompliance Certification label.
Tire and Loading Label InformationExample:
Payload
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Load CarryingE198719 E143816PAYLOAD

Payload is the combined weightof cargo and passengers that yourvehicle is carrying. The maximumpayload for your vehicle appearson the Tire and Loading label. Thelabel is either on the B-pillar or theedge of the driver door. Vehiclesexported outside the US andCanada may not have a tire andloading label. Look for “Thecombined weight of occupantsand cargo should never exceedXXX kg OR XXX lb” for maximumpayload. The payload listed on theTire and Loading Information labelis the maximum payload for yourvehicle as built by the assemblyplant. If you install any additionalequipment on your vehicle, youmust determine the new payload.Subtract the weight of theequipment from the payload listedon the Tire and Loading label.When towing, trailer tongueweight or king pin weight is alsopart of payload.
WARNING
The appropriate loadingcapacity of your vehicle canbe limited either by volumecapacity (how much space isavailable) or by payload capacity(how much weight the vehicleshould carry). Once you havereached the maximum payload ofyour vehicle, do not add morecargo, even if there is spaceavailable. Overloading orimproperly loading your vehicle
can contribute to loss of vehiclecontrol and vehicle rollover.
GAWR (Gross Axle WeightRating)
GAWR is the maximum allowableweight that a single axle (front orrear) can carry. These numbersare on the Safety ComplianceCertification label. The label islocated on the door hinge pillar,door-latch post, or the door edgethat meets the door-latch post,next to the driver seating position.
The total load on each axle mustnever exceed its Gross AxleWeight Rating.
GVWR (Gross Vehicle WeightRating)
GVWR is the maximum allowableweight of the fully loaded vehicle.
This includes all options,equipment, passengers and cargo.It appears on the SafetyCompliance Certification label.The label is located on the doorhinge pillar, door-latch post, or thedoor edge that meets thedoor-latch post, next to the driverseating position.
The gross vehicle weight mustnever exceed the Gross VehicleWeight Rating.
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Load Carrying

Safety Compliance Certification LabelExample:
WARNING
Exceeding the SafetyCompliance Certificationlabel vehicle weight rating limitscould result in substandardvehicle handling or performance,engine, transmission and/orstructural damage, seriousdamage to the vehicle, loss ofcontrol and personal injury.
Maximum Loaded TrailerWeight
Maximum loaded trailer weight isthe highest possible weight of afully loaded trailer the vehicle cantow. Consult an authorized dealer(or the RV and Trailer TowingGuide available at an authorizeddealer) for more detailedinformation.
GCWR (Gross CombinedWeight Rating)
GCWR is the maximum allowableweight of the vehicle and theloaded trailer, including all cargoand passengers, that the vehiclecan handle without riskingdamage. (Important: The towing
vehicle’s braking system is ratedfor operation at Gross VehicleWeight Rating, not at GrossCombined Weight Rating.)Separate functional brakes shouldbe used for safe control of towedvehicles and for trailers where theGross Combined Weight of thetowing vehicle plus the trailerexceed the Gross Vehicle WeightRating of the towing vehicle.
The gross combined weight mustnever exceed the Gross CombinedWeight Rating.
Note: For trailer towinginformation refer to the RV andTrailer Towing Guide available atan authorized dealer.
WARNINGS
Do not exceed the GVWR orthe GAWR specified on theSafety Compliance Certificationlabel.
Do not use replacement tireswith lower load carryingcapacities than the original tiresbecause they may lower yourvehicle’s GVWR and GAWRlimitations. Replacement tireswith a higher limit than the originaltires do not increase the GVWRand GAWR limitations.
Exceeding any vehicle weightrating limitation could resultin serious damage to your vehicle,personal injury or both.
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Load CarryingE198828

Steps for determining thecorrect load limit:
1. Locate the statement "Thecombined weight of occupantsand cargo should never exceedXXX kg or XXX lb." on yourvehicle’s placard.
2.Determine the combinedweight of the driver andpassengers that will be ridingin your vehicle.
3.Subtract the combined weightof the driver and passengersfrom XXX kg or XXX lb.
4.The resulting figure equals theavailable amount of cargo andluggage load capacity. Forexample, if the “XXX” amountequals 1,400 lb. and there willbe five 150 lb. passengers inyour vehicle, the amount ofavailable cargo and luggageload capacity is 650 lb.(1400-750 (5 x 150) = 650 lb.)
5.Determine the combinedweight of luggage and cargobeing loaded on the vehicle.That weight may not safelyexceed the available cargo andluggage load capacitycalculated in Step 4.
6.If your vehicle will be towing atrailer, load from your trailerwill be transferred to yourvehicle. Consult this manual todetermine how this reduces theavailable cargo and luggage
load capacity of your vehicle.
Helpful examples for calculatingthe available amount of cargoand luggage load capacity
Suppose your vehicle has a1400-pound (635-kilogram) cargoand luggage capacity. You decideto go golfing. Is there enough loadcapacity to carry you, four of yourfriends and all the golf bags? Youand four friends average 220pounds (99 kilograms) each andthe golf bags weigh approximately30 pounds (13.5 kilograms) each.The calculation would be: 1400 -(5 x 220) - (5 x 30) = 1400 - 1100- 150 = 150 pounds. Yes, you haveenough load capacity in yourvehicle to transport four friendsand your golf bags. In metric units,the calculation would be: 635kilograms - (5 x 99 kilograms) -(5 x 13.5 kilograms) = 635 - 495 -67.5 = 72.5 kilograms.
Suppose your vehicle has a1400-pound (635-kilogram) cargoand luggage capacity. You andone of your friends decide to pickup cement from the local homeimprovement store to finish thatpatio you have been planning forthe past two years. Measuring theinside of the vehicle with the rearseat folded down, you have roomfor twelve 100-pound(45-kilogram) bags of cement. Doyou have enough load capacity totransport the cement to yourhome? If you and your friend eachweigh 220 pounds (99 kilograms),
the calculation would be: 1400 -(2 x 220) - (12 x 100) = 1400 - 440
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Load Carrying

TOWING A TRAILER
WARNING
Towing trailers beyond themaximum recommendedgross trailer weight exceeds thelimit of your vehicle and couldresult in engine damage,transmission damage, structuraldamage, loss of vehicle control,vehicle rollover and personalinjury.
Note:Do not exceed the GVWR orthe GAWR specified on thecertification label. SeeRecommended Towing Weights(page 204).
Your vehicle may have electricalitems, such as fuses or relays,related to towing. See Fuses(page 233).
Your vehicle's load capacitydesignation is by weight, not byvolume, so you cannot necessarilyuse all available space whenloading a vehicle or trailer.
Towing a trailer places an extraload on your vehicle's engine,transmission, axle, brakes, tiresand suspension. Inspect thesecomponents periodically during,and after, any towing operation.
Load Placement
To help minimize how trailermovement affects your vehiclewhen driving:
•Load the heaviest items closestto the trailer floor.
•Load the heaviest itemscentered between the left andright side trailer tires.
•Load the heaviest items abovethe trailer axles or just slightlyforward toward the trailertongue. Do not allow the finaltrailer tongue weight to goabove or below 10-15% of theloaded trailer weight.
•Select a ball mount with thecorrect rise or drop. When boththe loaded vehicle and trailerare connected, the trailer frameshould be level, or slightlyangled down toward yourvehicle, when viewed from theside.
When driving with a trailer orpayload, a slight takeoff vibrationor shudder may be present due tothe increased payload weight.Additional information regardingproper trailer loading and settingyour vehicle up for towing islocated in another chapter of thismanual. See Load Limit (page198).
You can also find information inthe RV & Trailer Towing Guideavailable at your authorizeddealer, or online.
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Towing

RV & Trailer Towing Guide Online
http://www.fleet.ford.com/towing-guides/Website
TRAILER SWAY CONTROL
WARNING
Turning off trailer sway controlincreases the risk of loss of vehiclecontrol, serious injury or death. Forddoes not recommend disabling this featureexcept in situations where speed reductionmay be detrimental (such as hill climbing),the driver has significant trailer towingexperience, and can control trailer swayand maintain safe operation.
Note:This feature does not prevent trailersway, but reduces it once it begins.
Note:This feature cannot stop all trailersfrom swaying.
Note:In some cases, if vehicle speed is toohigh, the system may activate multipletimes, gradually reducing vehicle speed.
This feature applies your vehicle brakes atindividual wheels and, if necessary, reducesengine power. If the trailer begins to sway,the stability control light flashes and themessage TRAILER SWAY REDUCESPEED appears in the information display.The first thing to do is slow your vehicledown, then pull safely to the side of theroad and check for proper tongue load andtrailer load distribution. See LoadCarrying (page 196).
RECOMMENDED TOWING
WEIGHTS
Note:Do not exceed the trailerweight for your vehicleconfiguration listed in the chartbelow.
Note:Make sure to take intoconsideration trailer frontal area.Do not exceed 36.5 feet² (3.39meters²) if your vehicle is equippedwith the standard towing package,or 60 feet² (5.57 meters²) if yourvehicle is equipped with theoptional heavy duty package.
Note:Exceeding this limitationmay significantly reduce theperformance of your towingvehicle. Selecting a trailer with alow aerodynamic drag and roundedfront design helps optimizeperformance and fuel economy.
Note:For high altitude operation,reduce the gross combined weightby 2% per 1000 feet (300 meters)starting at the 1000 foot (300meter) elevation point.
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Towing