
Drivebelt Routing
3.5L EcoBoost EngineMOTORCRAFT PARTS - 3.5L DURATEC
Part Number
Component
FA-1884
Air filter element
FL-500-S
Oil filter
BXT-65-650
Battery
SP-520
Spark plugs
FP-68
Cabin air filter
WW-2301 (driver side)
Windshield wiper blade
WW-2103 (passenger side)
WW-1202
Rear window wiper blade
We recommend Motorcraft replacement parts available at your Ford dealer or at
fordparts.com for scheduled maintenance. These parts meet or exceed Ford Motor
Company ’s specifications and are engineered for your vehicle. Use of other parts may
impact vehicle performance, emissions and durability. Your warranty may be void for any
damage related to use of other parts.
If a Motorcraft oil filter is not available, use an oil filter that meets industry performance
specification SAE/USCAR-36.
For spark plug replacement, contact an authorized dealer. Replace the spark plugs at the
appropriate intervals. See Scheduled Maintenance (page 439).
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Flex (), enUSA, First Printing Capacities and SpecificationsE191904

SYNC™ APPLICATIONS AND
SERVICES (If Equipped)
In order for the following features to work,
your cell phone must be compatible with
SYNC. To check your phone's
compatibility, visit www.SYNCMyRide.com,
www.SYNCMyRide.ca or
www.syncmaroute.ca.
• 911 Assist: Can alert 911 in the event of
an emergency.
911 Assist
(If Equipped) WARNINGS
Unless the 911 Assist setting is set on
before a crash, the system will not
dial for help which could delay
response time, potentially increasing the
risk of serious injury or death after a crash. Do not wait for 911 Assist to make an
emergency call if you can do it
yourself. Dial emergency services
immediately to avoid delayed response
time which could increase the risk of
serious injury or death after a crash. If you
do not hear 911 Assist within five seconds
of the crash, the system or phone may be
damaged or non-functional. Always place your phone in a secure
location in your vehicle so it does not
become a projectile or get damaged
in a crash. Failure to do so may cause
serious injury to someone or damage the
phone which could prevent 911 Assist from
working properly. Note:
The SYNC 911 Assist feature must be
set on before the incident.
Note: Before setting this feature on, make
sure that you read the 911 Assist Privacy
Notice later in this section for important
information.
Note: If any user turns 911 Assist on or off,
that setting applies for all paired phones. If
911 Assist is turned off, either a voice
message plays or a display message (or
icon) comes on (or both) when your vehicle
is started after a previously paired phone
connects.
Note: Every phone operates differently.
While SYNC 911 Assist works with most
cellular phones, some may have trouble
using this feature.
If a crash deploys an airbag (excluding
knee airbags and rear inflatable safety
belts [if equipped]) or activates the fuel
pump shut-off, your SYNC-equipped
vehicle may be able to contact emergency
services by dialing 911 through a paired and
connected Bluetooth-enabled phone. You
can learn more about the 911 Assist
feature, visit www.SYNCMyRide.com,
www.SYNCMyRide.ca or
www.syncmaroute.ca.
See
Supplementary Restraints System
(page 44). Important information about
airbag deployment is in this chapter.
See
Roadside Emergencies (page 220).
Important information about the fuel pump
shut-off is in this chapter.
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Flex (), enUSA, First Printing SYNC™
![FORD FLEX 2017 1.G Owners Manual If a crash deploys an airbag (excluding
knee airbags and rear inflatable safety
belts [if equipped]) or activates the fuel
pump shut-off, your SYNC-equipped
vehicle may be able to contact emergency
se FORD FLEX 2017 1.G Owners Manual If a crash deploys an airbag (excluding
knee airbags and rear inflatable safety
belts [if equipped]) or activates the fuel
pump shut-off, your SYNC-equipped
vehicle may be able to contact emergency
se](/manual-img/11/5120/w960_5120-370.png)
If a crash deploys an airbag (excluding
knee airbags and rear inflatable safety
belts [if equipped]) or activates the fuel
pump shut-off, your SYNC-equipped
vehicle may be able to contact emergency
services by dialing 911 through a paired and
connected Bluetooth-enabled phone. You
can learn more about the 911 Assist
feature, by visiting:
Website
www.owner.ford.com
www.syncmyride.ca
www.syncmaroute.ca
For important information about airbag
deployment and the fuel pump shut-off
please see the Supplementary Restrains
and Roadside Emergencies sections of
your owner manual.
To switch 911 Assist on and off please view
the settings information. See Settings
(page 410).
To make sure that 911 Assist works
correctly:
• SYNC must be powered and working
properly at the time of the incident and
throughout feature activation and use.
• The 911 Assist feature must be set on
before the incident.
• You must pair and connect a
Bluetooth-enabled and compatible
cell phone to SYNC.
• A connected Bluetooth-enabled phone
must have the ability to make and
maintain an outgoing call at the time
of the incident.
• A connected Bluetooth-enabled phone
must have adequate network coverage,
battery power and signal strength.
• The vehicle must have battery power
and be located in the U.S., Canada or
in a territory in which 911 is the
emergency number. In the Event of a Crash
Not all crashes will deploy an airbag or
activate the fuel pump shut-off (the
triggers for 911 Assist). If a connected cell
phone sustains damage or loses its
connection to SYNC during a crash, SYNC
will search for and try to connect to a
previously paired cell phone; SYNC will
then attempt to call the emergency
services.
Before making the call:
•
SYNC provides a short window of time
(about 10 seconds) to cancel the call.
If you fail to cancel the call, SYNC
attempts to dial 911.
• SYNC says the following, or a similar
message: "SYNC will attempt to call
911, to cancel the call, press Cancel on
your screen or press and hold the
phone button on your steering wheel."
If you do not cancel the call, and SYNC
makes a successful call, a pre-recorded
message plays for the 911 operator, and
then the occupant(s) in your vehicle is able
to talk with the operator. Be prepared to
provide your name, phone number and
location immediately, because not all 911
systems are capable of receiving this
information electronically.
911 Assist May Not Work If
• Your cellular phone or 911 Assist
hardware sustains damage in a crash.
• The vehicle's battery or the SYNC
system has no power.
• The phone(s) thrown from your vehicle
are the ones paired and connected to
the system.
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Flex (), enUSA, First Printing SYNC™ 3

Less Cost to Properly Maintain Your
Vehicle
Ford Protect Extended Service Plan also
offers a Premium Maintenance Plan that
covers all scheduled maintenance, and
selected wear items. The coverage is
prepaid, so you never have to worry about
the cost of your vehicle
’s maintenance.
Covered maintenance includes:
• Windshield wiper blades.
• Spark plugs.
• The clutch disc.
• Brake pads and linings.
• Shock absorbers.
• Struts.
• Engine Belts.
• Engine coolant hoses, clamps and
o-rings.
• Diesel exhaust fluid replenishment.
• Cabin air filter replacement every
20,000 mi (32,000 km) (electric
vehicles only).
Interest Free Finance Options
Just a 10% down payment will provide you
with an affordable, no interest, no fee
payment program allowing you all the
security and benefits Ford Protect
Extended Service Plan has to offer while
paying over time. You are pre-approved
with no credit check or hassles. To learn
more, call our Ford Protect Extended
Service Plan specialists at 800-367-3377.
Ford Protect Extended Service Plan
P.O. Box 321067
Detroit, MI 48232 Ford Protect Extended Service
Plan (CANADA ONLY)
You can get more protection for your
vehicle by purchasing a Ford Protect
Extended Service Plan. Ford Protect
Extended Service Plan is the only service
contract backed by Ford Motor Company
of Canada, Limited. Depending on the plan
you purchase, Ford Protect Extended
Service Plan provides benefits such as:
•
Rental reimbursement.
• Coverage for certain maintenance and
wear items.
• Protection against repair costs after
your New Vehicle Limited Warranty
Coverage expires.
• Roadside Assistance benefits.
There are several Ford Protect Extended
Service Plans available in various time,
distance and deductible combinations.
Each plan is tailored to fit your own driving
needs, including reimbursement for towing
and rental. When you purchase Ford
Protect Extended Service Plan, you receive
added peace-of-mind protection
throughout Canada, the United States and
Mexico, provided by a network of
participating authorized Ford Motor
Company dealers.
Note: Repairs performed outside of
Canada, the United States and Mexico are
not eligible for Ford Protect Extended
Service Plan coverage.
This information is subject to change. For
more information; visit your local Ford of
Canada dealer or www.ford.ca to find the
Ford Protect Extended Service Plan that
is right for you.
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Flex (), enUSA, First Printing Ford Protect

Check every month
Engine oil level.
Function of all interior and exterior lights.
Tires (including spare) for wear and proper pressure. Windshield washer fluid level. Check every six months
Battery connections. Clean if necessary.
Body and door drain holes for obstructions. Clean if necessary. Cooling system fluid level and coolant strength.
Door weatherstrips for wear. Lubricate if necessary.
Hinges, latches and outside locks for proper operation. Lubricate if necessary. Parking brake for proper operation.
Safety belts and seat latches for wear and function.
Safety warning lamps (brake, ABS, airbag and safety belt) for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
Multi-Point Inspection
In order to keep your vehicle running right,
it is important to have the systems on your
vehicle checked regularly. This can help
identify potential issues and prevent major
problems. We recommend having the
following multi-point inspection performed
at every scheduled maintenance interval
to help make sure your vehicle keeps
running great.
441
Flex (), enUSA, First Printing Scheduled Maintenance

Multi-Point inspection
Hazard warning system operation
Accessory drive belt(s)
Horn operation
Battery performance
Radiator, cooler, heater and air conditioninghoses
Engine air filter
Suspension components for leaks ordamage
Exhaust system
Steering and linkage
Exterior lamps operation
Tires (including spare) for wear and properpressure**
Fluid levels *
; fill if necessary
Windshield for cracks, chips or pits
For oil and fluid leaks
Washer spray and wiper operation
Half-shaft dust boots
* Brake, coolant recovery reservoir, automatic transmission and window washer
** If your vehicle is equipped with a temporary mobility kit, check the tire sealant expiration
Use By date on the canister. Replace as needed.
Be sure to ask your dealership service
advisor or technician about the multi-point
vehicle inspection. It is a comprehensive
way to perform a thorough inspection of
your vehicle. Your checklist gives you
immediate feedback on the overall
condition of your vehicle.
NORMAL SCHEDULED
MAINTENANCE
Intelligent Oil-Life Monitor™
Your vehicle is equipped with an Intelligent
Oil-Life Monitor that determines when you
should change the engine oil based on how
your vehicle is used. By using several
important factors in its calculations, the
monitor helps reduce the cost of owning
your vehicle and reduces environmental
waste at the same time. This means you do not have to remember
to change the oil on a mileage-based
schedule. Your vehicle lets you know when
an oil change is due by displaying a
message in the information display.
The following table provides examples of
vehicle use and its impact on oil change
intervals. It is a guideline only. Actual oil
change intervals depend on several factors
and generally decrease with severity of
use.
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Flex (), enUSA, First Printing Scheduled Maintenance

At every oil change interval as indicated by the information display
*
Inspect the tires, tire wear and measure the tread depth.
Inspect the wheels and related components for abnormal noise, wear, looseness or
drag.
* Do not exceed one year or 10000 miles (16000 kilometers) between service intervals.
** Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. See Oil Change
Indicator Reset (page 249). Other maintenance items
1
Replace cabin air filter.
Every 20000 miles (32000
km)
Replace engine air filter.
Every 30000 miles (48000
km)
Change engine coolant.2
At 100000 miles (160000
km)
Replace spark plugs.
Every 100000 miles
(160000 km) Inspect accessory drive belt(s). 3
Change automatic transmission fluid.
Every 150000 miles
(240000 km)
Replace accessory drive belt(s). 4
1 Perform these maintenance items within 3000 miles (4800 kilometers) of the last
engine oil and filter change. Do not exceed the designated distance for the interval.
2 Initial replacement at six years or 100000 miles (160000 kilometers), then every three
years or 50000 miles (80000 kilometers).
3 After initial inspection, inspect every other oil change until replaced.
4 If not replaced within the last 100000 miles (160000 kilometers).
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Flex (), enUSA, First Printing Scheduled Maintenance

Checking the Transmission Fluid
Level................................................................... 254
Autowipers........................................................79
Auxiliary Power Points................................145 110 Volt AC Power Point................................... 145
12 Volt DC Power Point..................................... 145
Locations............................................................... 145
AWD See: All-Wheel Drive......................................... 168
B
Battery See: Changing the 12V Battery..................... 256
Blind Spot Information System..............195
Switching the System Off and On...............196
System Errors....................................................... 196
System Limitations............................................ 196
Using the System............................................... 195
Bonnet Lock See: Opening and Closing the Hood..........244
Booster Seats..................................................28 Types of Booster Seats...................................... 29
Brake Fluid Check........................................255
Brakes................................................................175 General Information........................................... 175
Breaking-In......................................................217
Bulb Specification Chart...........................263
C
Cabin Air Filter................................................124
California Proposition 65..............................11
Capacities and Specifications - 3.5L Duratec.........................................................304
Alternative Engine Oil for Extremely Cold Climates........................................................... 307
Specifications..................................................... 304
Capacities and Specifications - 3.5L Ecoboost™.................................................308
Alternative Engine Oil for Extremely Cold Climates............................................................ 312
Specifications..................................................... 309
Capacities and Specifications................299
Cargo Nets
.....................................................203
Car Wash See: Cleaning the Exterior.............................. 266Center Console
..............................................147
Console Refrigerator and Freezer.................147
Second Row Center Console.......................... 147
Changing a Bulb..........................................260 Brake and Rear Lamps, Rear Direction
Indicator and Reversing Lamp.................262
Front Direction Indicator and Front Parking Lamp.................................................................. 261
Front Fog Lamp.................................................. 262
Headlamp.............................................................. 261
Headlamp Low Beam and Headlamp High Beam.................................................................. 261
LED Lamps........................................................... 263
License Plate Lamp.......................................... 263
Changing a Fuse...........................................242 Fuses....................................................................... 242
Changing a Road Wheel
...........................293
Dissimilar Spare Wheel and Tire Assembly
Information..................................................... 293
Tire Change Procedure.................................... 294
Changing the 12V Battery.........................256
Changing the Engine Air Filter................265
Changing the Wiper Blades
.....................258
Front Wiper Blades........................................... 258
Rear Window Wiper Blade............................. 259
Checking MyKey System Status..............60
Checking the Wiper Blades
.....................258
Child Restraint and Seatbelt Maintenance..................................................41
Child Restraint Positioning
.........................30
Child Safety.......................................................18
General Information............................................. 18
Child Safety Locks..........................................32 Left-Hand Side...................................................... 33
Right-Hand Side................................................... 33
Cleaning Leather Seats
.............................270
Cleaning Products.......................................266 Materials............................................................... 266
Cleaning the Engine
...................................268
Cleaning the Exterior..................................266 Exterior Chrome Parts...................................... 267
Exterior Plastic Parts......................................... 267
Stripes or Graphics............................................ 267
Underbody............................................................ 267
Under Hood.......................................................... 267
Cleaning the Instrument Panel and Instrument Cluster Lens........................269
Cleaning the Interior
...................................269
484
Flex (), enUSA, First Printing Index