2023 FORD SUPER DUTY light

SELECTIVE CATALYTIC
REDUCTION SYSTEM
REQUIREMENTS
Only use diesel exhaust fluid that iscertified by the American PetroleumInstitute (API).
You can purchase diesel exhaust fluid atan authorized dealer, or contact roadsideassistance for help in finding a retailer thatsells diesel exhaust fluid.
Note:Non-certified diesel exhaust fluid usecan cause damage that your Warranty maynot cover
SELECTIVE CATALYTIC
REDUCTION SYSTEM
GUIDELINES
•Diesel exhaust fluid is non-flammable,non-toxic, colorless and water-solubleliquid.
•In order for the system to operatecorrectly you must maintain the dieselexhaust fluid level.
•Do not overfill the diesel exhaust fluidtank.
•Diesel exhaust fluid is corrosive.
•Avoid spilling diesel exhaust fluid onpainted surfaces, carpeting or plasticcomponents. Immediately wipe awayany diesel exhaust fluid that has spilledwith a damp cloth and water. If it hasalready crystallized, use warm waterand a sponge.
•Do not store the diesel exhaust fluidbottle in your vehicle. If it leaks it couldcause damage to interior componentsor release an ammonia odor inside yourvehicle.
•Do not re-use the diesel exhaust fluidcontainer once it is emptied.
•Store diesel exhaust fluid out of directsunlight and in temperatures between23–68°F (-5–20°C).
•The system has a diesel exhaust fluidquality sensor. Dilution of dieselexhaust fluid or use of any other liquidin the selective catalytic reductionsystem leads to a diesel exhaust fluidsystem fault, eventually leading to thevehicle only operating in idle-onlymode.
•Do not dilute diesel exhaust fluid withwater or any other liquid.
FILLING THE SELECTIVE
CATALYTIC REDUCTION
SYSTEM TANK
FILLING THE SELECTIVECATALYTIC REDUCTION SYSTEMTANK IN COLD WEATHER
Diesel exhaust fluid may freeze if theambient temperature is below 12°F (-11°C).Your vehicle has a preheating systemwhich allows diesel exhaust fluid tooperate below 12°F (-11°C). If you do notuse your vehicle for an extended periodwhen the ambient temperature is below12°F (-11°C), the fluid in the tank mayfreeze.
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If the DEF tank is frozen, it may notrecognize when the tank is refilled. The DEFlevel will update once the tank thaws out.It is best to fill the DEF tank prior to, or aftera drive cycle greater than 20 minutes toallow the remaining frozen DEF in the tankto liquefy. If the tank is overfilled and thefluid freezes it may cause damage thatyour Warranty will not cover.
FILLING THE SELECTIVECATALYTIC REDUCTION SYSTEMTANK USING A FUEL STATIONPUMP
Filling the diesel exhaust fluid tank usinga fuel station pump is similar to refuelingyour vehicle.
1.Fully open the fuel filler door.
2.Remove the diesel exhaust fluid tankfiller cap.
Note:The diesel exhaust fluid tank has ablue filler cap.
3.Fully insert the diesel exhaust fluidpump nozzle.
4.Operate the diesel exhaust fluid pumpnozzle within the area shown.
Note:The pump nozzle shuts off when thetank is full.
5.Slightly raise the diesel exhaust fluidpump nozzle and then slowly removeit.
6.Replace the diesel exhaust fluid tankfiller cap. Turn it clockwise until youfeel a strong resistance and it clicks.
FILLING THE SELECTIVECATALYTIC REDUCTION SYSTEMTANK USING A PORTABLECONTAINER
The following procedure applies toMotorcraft diesel exhaust fluid or similarfluid containers. Follow themanufacturer's instructions.
1.Fully open the fuel filler door.
2.Remove the diesel exhaust fluidcontainer cap.
3.Place the spout on to the container andtighten it until you feel a strongresistance.
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4.Remove the diesel exhaust fluid tankfiller cap.
Note:The diesel exhaust fluid tank has ablue filler cap.
5.Insert the spout into the filler neck untilthe seal on the spout fully seats.
6.Pour the fluid into the tank.
Note:The fluid stops flowing when the tankis full.
7.Return the container to the verticalposition slightly below the dieselexhaust fluid filler neck.
8.Allow any fluid remaining in the spoutto drain back into the container.
9.Remove the spout from the dieselexhaust fluid filler neck.
10.Replace the diesel exhaust fluid tankcap. Turn it clockwise until you feela strong resistance and it clicks.
11.Remove the spout from the dieselexhaust fluid container and replacethe cap.
Note:If there is diesel exhaust fluid left inthe container retain it for later use. Thespout is reusable. Wash the spout withclean water prior to storage. Do not use thediesel exhaust fluid spout with any otherfluid.
CHECKING THE SELECTIVE
CATALYTIC REDUCTION
SYSTEM STATUS
The information display shows a series ofmessages about the amount of dieselexhaust fluid available. A systems checkdisplays messages indicating the amountof diesel exhaust fluid available or displaysa warning message indicating theapproximate distance remaining as thefluid in the diesel exhaust fluid tank nearsempty. See Selective CatalyticReduction System – InformationMessages (page 231).
DIESEL EXHAUST FLUID
CAPACITY AND
SPECIFICATION
For filling information please refer to theCapacities and Specifications section ofthe owner's manual. See Diesel ExhaustFluid Capacity and Specification (page230).
SELECTIVE CATALYTIC
REDUCTION SYSTEM –
TROUBLESHOOTING
SELECTIVE CATALYTICREDUCTION SYSTEM – WARNINGLAMPS
As the diesel exhaust fluid levelnears empty, the warningsymbol displays and a series oftones and messages starting at 500 mi(800 km) remaining before diesel exhaustfluid is depleted. The warning symbol andmessages continue until you refill thediesel exhaust fluid tank.
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SELECTING A FOUR-WHEEL
DRIVE MODE
The drive mode control is on theinstrument panel.
Press the four-wheel drive mode buttonthat best fits the current driving conditions.You can select two-wheel drive high (2H)or four-wheel drive high (4H) at a stop orwhile driving. When the shift is complete,the mode you select appears in theinstrument cluster display. While shifting,the lights on the drive mode control canflash and you could see messages in theinstrument cluster display indicating thata shift is in progress or to release theaccelerator pedal to improve shiftperformance.
Note:Momentarily releasing the acceleratorpedal while a shift in progress messagedisplays improves engagement ordisengagement performance.
Note:Do not perform this operation whencruise control or trail control is selected andactive. The system may not shift asexpected.
Note:Do not perform this operation if therear wheels are slipping, when making atight turn or when applying the acceleratorpedal. The system may not shift asexpected.
Note:You could hear some noise as thesystem shifts or engages, this is normal.
If the system detects a fault, a warningmessage appears in the instrument clusterdisplay. See Four-Wheel Drive –Information Messages (page 243).
Shifting to or from Four-WheelDrive Low (4L)
To select or exit four-wheel drive low (4L):
1.Bring your vehicle to a speed of 3 mph(5 km/h) or less.
2.Place the transmission in neutral (N)
3.Press the desired four-wheel drivebutton on the drive mode control.
A message appears in the instrumentcluster display indicating a four-wheeldrive shift is in progress. If any of the aboveshift conditions are not present, the shiftwill not occur and information guiding youthrough the proper shifting proceduresappears in the instrument cluster display.If there is a transfer case tooth blockage amessage appears in the instrument clusterdisplay. To alleviate this condition, placethe transmission in a forward gear, moveyour vehicle forward approximately 5 ft(1.5 m), and shift the transmission back toneutral (N) to allow the transfer case tocomplete the range shift.
Note:You could hear some noise as thesystem shifts or engages, this is normal.
If the system detects a fault, a warningmessage appears in the instrument clusterdisplay. See Four-Wheel Drive –Information Messages (page 243).
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WHAT IS REVERSE BRAKE
ASSIST
Reverse brake assist is designed to reduceimpact damage or assist in avoiding acollision while in reverse (R). Using sensorson the rear of the vehicle, it can detect apossible collision and apply the brakes. Iffull braking occurs, the system attemptsto stop the vehicle a safe distance fromthe obstacle.
HOW DOES REVERSE BRAKE
ASSIST WORK
Reverse brake assist functions when inreverse (R) and traveling at a speed of1–7 mph (2–12 km/h).
If the system detects an obstacle behindyour vehicle, it provides a warning throughthe rear parking aid or cross traffic alertsystem.
REVERSE BRAKE ASSIST
PRECAUTIONS
WARNING: You are responsible forcontrolling your vehicle at all times. Thesystem is designed to be an aid and doesnot relieve you of your responsibility todrive with due care and attention. Failureto follow this instruction could result inthe loss of control of your vehicle,personal injury or death.
WARNING: To help avoid personalinjury, always use caution when inreverse (R) and when using the sensingsystem.
WARNING: The system may notoperate properly during severe weatherconditions, for example snow, ice, heavyrain and spray. Always drive with duecare and attention. Failure to take caremay result in a crash.
WARNING: Traffic control systems,fluorescent lamps, inclement weather,air brakes, external motors and fans mayaffect the correct operation of thesensing system. This may cause reducedperformance or false alerts.
WARNING: Some situations andobjects prevent hazard detection. Forexample low or direct sunlight, inclementweather, unconventional vehicle types,and pedestrians. Apply the brakes whennecessary. Failure to follow thisinstruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
WARNING: Do not use the systemwith accessories that extend beyond thefront or rear of your vehicle, for examplea trailer hitch or bike rack. The system isnot able to make corrections for theadditional length of the accessories.
The system only applies the brakes for ashort period of time when an event occurs.Act as soon as you notice the brakes applyto remain in control of the vehicle. If youdo not intervene the vehicle may start tomove again.
Note:Certain add-on devices around thebumper or fascia may create false alerts.For example, large trailer hitches, bicycle orsurfboard racks, license plate brackets,bumper covers or any other device that mayblock the normal detection zone of thesystem. Remove the add-on device toprevent false alerts.
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HOW DOES STABILITY
CONTROL WORK
WARNING: Vehicle modificationsinvolving braking system, aftermarketroof racks, suspension, steering system,tire construction and wheel and tire sizemay change the handling characteristicsof your vehicle and may adversely affectthe performance of the electronicstability control system. In addition,installing any stereo speakers mayinterfere with and adversely affect theelectronic stability control system.Reducing the effectiveness of theelectronic stability control system couldlead to an increased risk of loss of vehiclecontrol, vehicle rollover, personal injuryand death.
WARNING: Remember that evenadvanced technology cannot defy thelaws of physics. It's always possible tolose control of a vehicle due toinappropriate driver input for theconditions. Aggressive driving on anyroad condition can cause you to losecontrol of your vehicle increasing the riskof personal injury or property damage.Activation of the electronic stabilitycontrol system is an indication that atleast some of the tires have exceededtheir ability to grip the road; this couldreduce the operator's ability to controlthe vehicle potentially resulting in a lossof vehicle control, vehicle rollover,personal injury and death.
If a driving condition activates either thestability control or traction control you mayexperience the following conditions:
•The stability and traction control lightflashes.
•Your vehicle slows down.
•Reduced engine power.
The stability control system has severalfeatures built into it to help you maintaincontrol of your vehicle:
Electronic Stability Control
Electronic stability control enhances yourvehicle’s ability to prevent skids or lateralslides by applying brakes to one or moreof the wheels individually and, if necessary,reducing engine power.
Roll Stability Control
Roll stability control enhances yourvehicle’s ability to prevent rollovers bydetecting your vehicle’s roll motion andthe rate at which it changes by applyingthe brakes to one or more wheelsindividually.
Curve Control
Curve control enhances your vehicle’sability to follow the road when corneringseverely or avoiding objects in the roadway.Curve control operates by reducing enginepower and, if necessary, applying brakesto one or more of the wheels individually.
Side Wind Stabilization
Side wind stabilization is an advancedfeature that works by carefully applyingthe brakes on one side of the vehicle toreduce the effect of a side wind gust onthe vehicle's path.
Traction Control
Traction control enhances your vehicle’sability to maintain traction of the wheelsby detecting and controlling wheel spin.See What Is Traction Control (page 268).
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Stability Control and Traction Control with Roll Stability Control
Traction ControlSystemElectronicStability ControlRoll StabilityControlStability ControlOFF Light
Enabled3Enabled3EnabledIlluminatedduring bulbcheck
Default at start-up
Disabled1Enabled3EnabledIlluminatedButton pressedmomentarily
Disabled1Disabled2EnabledIlluminatedButton pressedand held for 5 -15 seconds
Disabled1DisabledDisabledIlluminatedTransfer case isswitched to 4x4Low or put intoRock CrawlMode
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 holdtime progress.3 Functions can vary depending on what Selectable Drive Mode the vehicle is currentlyin.
STABILITY CONTROL
INDICATOR
If it does not illuminate when youswitch the power on, or remainson, this indicates a malfunction.Have your vehicle checked by anauthorized dealer as soon as possible.
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WHAT IS HILL DESCENT
CONTROL
Hill descent control allows the driver to setand maintain vehicle speed whiledescending steep slopes in various surfaceconditions.
HOW DOES HILL DESCENT
CONTROL WORK
Hill descent control can maintain vehiclespeeds on downhill slopes between2–20 mph (3–32 km/h). Above 20 mph(32 km/h), the system remains on but thedescent speed cannot be set ormaintained.
Note:The system does not function below2 mph (3 km/h).
The system requires a cool down intervalafter a period of sustained use. Hill descentcontrol provides a warning in the messagecenter when the system is about todisengage for cooling. At this time,manually apply the brakes as needed tomaintain descent speed.
Note:The amount of time that the systemcan remain active before cooling varies withconditions.
HILL DESCENT CONTROL
PRECAUTIONS
WARNING: The system does notcontrol speed in low traction conditionsor extremely steep slopes. The systemis designed to be an aid and does notrelieve you of your responsibility to drivewith due care and attention. Failure tofollow this instruction could result inpersonal injury.
WARNING: The system does notreplace the parking brake. When youleave your vehicle, always apply theparking brake.
SWITCHING HILL DESCENT
CONTROL ON AND OFF
Press the button on theinstrument panel. A lightilluminates and a tone soundswhen the system is active.
SETTING THE HILL DESCENT
SPEED
To increase or decrease the descent speed,press the accelerator or brake pedal, or usethe SET + and SET - buttons on thesteering wheel. Once you reach thepreferred speed remove your feet from thepedals.
HILL DESCENT CONTROL
INDICATOR
Illuminates when you switch hilldescent control on.
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