
Camera Settings
To make adjustments using the touchscreen, select:
Action and Description
Message
Camera Settings
Then select from the following: You can enable or disable this option using the slider.
Rear Camera
Delay
You can find more information on the rear-view camera system in the parking aids chapter
of your owner manual.
Onboard Modem Serial Number (ESN)
Selecting this button on the settings menu
shows you the ESN number for your
system. You need this number for certain
registrations such as Satellite Radio.
Display
To make adjustments using the touchscreen, select: Action and Description
Menu Item
The screen goes black and does not display anything. To switch the
screen back on, simply tap the screen.
Display Off
Make the screen display brighter or dimmer.
Brightness
You can select:
Mode
The screen automatically switches between day and
night modes based on the outside light level.
Auto
The screen displays with a light background to enhance
daytime viewing.
Day
The screen displays with a darker background to make
nighttime viewing easier.
Night
Enable this option to automatically dim the display brightness based
on ambient lighting conditions.
Auto Dim
423
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing SYNC™ 3

Cell phone issues
Possible solution
Possible cause
Issue
Refer to your device's manual about audio
adjustments.
The audio control
settings on your cell
phone may be affecting
SYNC 3 performance.
There is back-
ground noise
during a phone
call.
Try switching your cell phone off, resetting
it or removing the battery, then try again.
Possible cell phone
malfunction.
During a call, I
can hear the
other person
but they cannot
hear me.
Make sure that the microphone for SYNC
3 is not set to off. Look for the microphone
icon on the phone screen.
To restart your system, shut down the
engine, open and close the door, and then
lock the door and wait for 2-3 minutes.
Make sure that your SYNC 3 screen is black
and the lighted USB port is off.
The system may need to
be restarted.
During a call, I
cannot hear the
other person
and they cannot
hear me.
Check your cell phone's compatibility.
This is a cell phone-
dependent feature.
SYNC 3 is not
able to down-
load my phone-
book. Make sure you allow SYNC 3 to retrieve
contacts from your phone. Refer to your
cell manual.
Possible cell phone
malfunction. You must switch on your cell phone and
the automatic phonebook download
feature on SYNC 3.
Try switching your cell phone off, resetting
it or removing the battery, then try again.
Make sure you allow SYNC 3 to retrieve
contacts from your phone. Refer to your
cell manual.
Limitations on your cell
phone's capability.
The system
says "Phone-
book down-
loaded" but my
SYNC 3 phone-
book is empty or
is missing
contacts. If the missing contacts are stored on your
SIM card, move them to your cell phone's
memory.
You must switch on your cell phone and
the automatic phonebook download
feature on SYNC 3.
425
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing SYNC™ 3

For a complete listing of the accessories
that are available for your vehicle, please
contact your authorized dealer or visit the
online store web site:
Web Address (United States)
www.Accessories.Ford.com Web Address (Canada)
www.Accessories.Ford.ca
Ford Accessories are available for your
vehicle through an authorized Ford dealer.
Ford Motor Company will repair or replace
any properly authorized dealer-installed
Ford Original Accessory found to be
defective in factory-supplied materials or
workmanship during the warranty period,
as well as any component damaged by the
defective accessories.
Ford Motor Company will warrant your
Ford Original Accessory through the
warranty that provides the greatest
benefit:
• 24 months, unlimited mileage.
• The remainder of your new vehicle
limited warranty.
Contact an authorized dealer for details
and a copy of the warranty.
Exterior Style
• Hood deflectors.
• Side-window deflectors*.
• Splash guards.
• Spoiler.
Interior Style
• Ambient lighting.
• Door sill plates with logo.
• Floor mats. •
Illuminated door sill plate.
• Rear seat entertainment*.
Lifestyle
• Ash cup or coin holder.
• Bluetooth speakers*.
• Camping tent*.
• Cargo area protector.
• Cargo net.
• Cargo organization and management.
• Conversation mirror.
• Roof racks and carriers*.
• Roof rails.
• Seat covers*.
• Trailer hitches, wiring harnesses and
accessories.
• Tablet cradle.
Peace of Mind
• Full vehicle covers*.
• Locking fuel plug.
• Remote start.
• Roadside assistance kits*.
• Vehicle security systems.
• Wheel locks.
*Ford Licensed Accessories. The accessory
manufacturer designs, develops and
therefore warrants Ford Licensed
Accessories, and does not design or test
these accessories to Ford Motor Company
engineering requirements. Contact an
authorized Ford dealer for the
manufacturer's limited warranty details
and request a copy of the Ford Licensed
Accessories product limited warranty from
the accessory manufacturer.
438
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing Accessories

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.
Fuel and water separator. Drain if necessary (or if indicated by the information display). Holes and slots in the tail pipe to make sure they are functional and clear of debris. 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.
444
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing Scheduled Maintenance

By using SUNA Products and/or Services,
you will be deemed to have accepted and
agreed to be bound by the terms and
conditions fully detailed at:
Website
www.sunatraffic.com.au/termsandcon- ditions/
2. Intellectual Property
SUNA Products and/or Services are for
your personal use. You may not record, or
retransmit the content, nor use the content
in association with any other traffic
information or route guidance service or
device not approved by Intelematics. You
obtain no right of ownership in any
Intellectual Property Rights (including
copyright) in the data that is used to
provide SUNA Products and/or Services.
3. Appropriate Use
SUNA Products and/or Services are
intended as an aid to personal motoring
and travel planning, and do not provide
comprehensive or accurate information on
all occasions. On occasions, you may
experience additional delay as a result of
using SUNA Products and/or Services. You
acknowledge that it is not intended, or
suitable, for use in applications where time
of arrival or driving directions may impact
the safety of the public or yourself.
4. Use of SUNA Products and Services
while driving
You, and other authorised drivers of the
vehicle in which SUNA Products and/or
Services are available or installed and
active, remain at all times responsible for
observing all relevant laws and codes of
safe driving. In particular, you agree to only
actively operate SUNA Products and/or
Services when the Vehicle is at a complete
stop and it is safe to do so. 5. Service Continuity and Reception of
the SUNA Traffic Channel
We will use reasonable endeavours to
provide the SUNA Traffic Channel 24 hours
a day, 365 days a year. The SUNA Traffic
Channel may occasionally be unavailable
for technical reasons or for planned
maintenance. We will try to perform
maintenance at times when congestion is
light. We reserve the right to withdraw
SUNA Products and/or Services at any
time.
Also, we cannot assure the uninterrupted
reception of the SUNA Traffic Channel
RDS-TMC signal at any particular location.
6. Limitation of Liability
Neither Intelematics (nor its suppliers or
the manufacturer of your device (the
“Suppliers”)) shall be liable to you or to
any third party for any damages either
direct, indirect, incidental, consequential
or otherwise arising out of the use of or
inability to use SUNA Products and/or
Services even if Intelematics or a Supplier
has been advised of the possibility of such
damages. You also acknowledge that the
neither Intelematics nor any Supplier
guarantees nor make any warranties that
relate to the availability, accuracy or
completeness of SUNA Products and/or
Services, and to the extent which it is
lawful to do so, both Intelematics and each
Supplier excludes any warranties which
might otherwise be implied by any State
or Federal legislation in relation to SUNA
Products and/or Services.
7. Please Note
Great care has been taken in preparing this
manual. Constant product development
may mean that some information is not
entirely up-to-date. The information in this
document is subject to change without
notice.
487
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing Appendices

A
A/C
See: Climate Control........................................... 112
About This Manual...........................................7
ABS See: Brakes............................................................ 173
ABS driving hints See: Hints on Driving With Anti-Lock
Brakes................................................................. 174
Accessories....................................................438 Exterior Style....................................................... 438
Interior Style........................................................ 438
Lifestyle................................................................. 438
Peace of Mind..................................................... 438
Accessories See: Replacement Parts
Recommendation............................................ 12
ACC See: Using Adaptive Cruise Control............188
Active Park Assist.........................................179 Automatic Steering into Parking
Space.................................................................. 181
Deactivating the Park Assist Feature..........182
Troubleshooting the System.......................... 182
Using Active Park Assist.................................. 180
Adjusting the Headlamps
........................259
Horizontal Aim Adjustment.......................... 260
Vertical Aim......................................................... 259
Adjusting the Pedals......................................77
Adjusting the Steering Wheel - Vehicles With: Manual Adjustable Steering
Column............................................................74
Adjusting the Steering Wheel - Vehicles With: Power Adjustable Steering
Column............................................................73
End of Travel Position......................................... 73
Memory Feature.................................................... 73
Airbag Disposal................................................51
Air Conditioning See: Climate Control........................................... 112
Air Filter See: Changing the Engine Air Filter.............263
Alarm See: Anti-Theft Alarm......................................... 72
All-Wheel Drive.............................................166
Ambient Lighting...........................................84 Adjusting the Brightness................................... 84Changing the Color.............................................
84
Switching Ambient Lighting Off..................... 84
Switching Ambient Lighting On..................... 84
Anti-Theft Alarm
.............................................72
Arming the Alarm................................................. 72
Disarming the Alarm............................................ 72
Appendices...................................................460
Apps.................................................................408 ........................................................................\
......... 408
SiriusXM Traffic and Travel Link................... 410
At a Glance........................................................15
Audible Warnings and Indicators
.............94
Headlamps On Warning Chime..................... 94
Key in Ignition Warning Chime........................ 94
Keyless Warning Alert........................................ 94
Parking Brake On Warning Chime.................94
Audio Control
...................................................74
Seek, Next or Previous........................................ 74
Audio System
.................................................315
General Information.......................................... 315
Audio Unit - Vehicles With: AM/FM/CD/ SYNC/Satellite Radio
..............................316
Accessing the Auxiliary Media
Sources.............................................................. 316
Accessing the Clock Settings......................... 316
Accessing the Menu........................................... 317
Accessing the Phone Features....................... 317
Accessing the Sound Settings....................... 317
Adjusting the Volume........................................ 317
Changing Radio Stations.................................. 317
Ejecting the CD..................................................... 317
Listening to a CD................................................. 317
Listening to Satellite Radio............................. 317
Listening to the Radio........................................ 317
Menu Structure................................................... 318
Muting the Audio................................................ 318
Playing or Pausing Media................................ 318
Switching the Audio Unit On and Off.........318
Using Seek, Fast Forward and Reverse.............................................................. 318
Using the Display Control................................ 318
Using the Number Block.................................. 318
Audio Unit - Vehicles With: Premium AM/FM/CD...................................................321
Adjusting the Volume........................................ 321
Changing Radio Stations................................. 321
Ejecting the CD.................................................... 321
Inserting a CD....................................................... 321
499
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing Index

Capacities and Specifications - 3.5L
Duratec.........................................................305
Alternative Engine Oil for Extremely Cold Climates........................................................... 308
Specifications..................................................... 306
Capacities and Specifications - 3.5L Ecoboost™.................................................309
Alternative Engine Oil for Extremely Cold Climates............................................................ 312
Specifications...................................................... 310
Capacities and Specifications................299
Cargo Nets.....................................................202
Car Wash See: Cleaning the Exterior.............................. 265
Catalytic Converter
......................................159
On-Board Diagnostics (OBD-II)................... 160
Readiness for Inspection and Maintenance (I/M) Testing................................................... 160
Center Console
..............................................143
Console Refrigerator and Freezer.................143
Second Row Center Console.......................... 143
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............................................241 Fuses....................................................................... 241
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................263
Changing the Wiper Blades
.....................258
Front Wiper Blades........................................... 258
Rear Window Wiper Blade............................. 258
Checking MyKey System Status...............59 MyKey Distance.................................................... 59
Number of Admin Keys...................................... 59
Number of MyKeys.............................................. 59
Checking the Wiper Blades......................257 Child Restraint and Seatbelt
Maintenance..................................................41
Child Restraint Positioning
.........................30
Child Safety........................................................17
General Information............................................. 17
Child Safety Locks..........................................32 Left-Hand Side...................................................... 33
Right-Hand Side................................................... 33
Cleaning Leather Seats
.............................269
Cleaning Products.......................................265 Materials............................................................... 265
Cleaning the Engine....................................267
Cleaning the Exterior..................................265 Cleaning the Headlamps................................ 266
Exterior Chrome Parts..................................... 266
Exterior Plastic Parts........................................ 266
Stripes or Graphics........................................... 266
Underbody........................................................... 266
Under Hood......................................................... 266
Cleaning the Instrument Panel and Instrument Cluster Lens........................268
Cleaning the Interior...................................268 Mirrors.................................................................... 268
Cleaning the Wheels
..................................270
Cleaning the Windows and Wiper Blades............................................................267
Clearing All MyKeys
.......................................58
Climate............................................................392
Climate Control
..............................................112
Climate Controlled Seats..........................135
Cooled Seats........................................................ 135
Heated Seats........................................................ 135
Collision Warning System.........................199 PRINCIPLE OF OPERATION........................... 199
Coolant Check See: Engine Coolant Check............................ 249
Crash Sensors and Airbag Indicator
.......50
Creating a MyKey...........................................58
Programming and Changing Configurable
Settings............................................................... 58
Cross Traffic Alert.........................................196 False Alerts........................................................... 198
Switching the System Off and On...............198
System Errors....................................................... 198
System Lights, Messages and Audible Alerts................................................................... 197
System Limitations............................................ 198
Using the System............................................... 196
501
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing Index

Hints on Driving With Anti-Lock
Brakes.............................................................174
Home Screen.................................................374
Hood Lock See: Opening and Closing the Hood..........243
I
Ignition Switch
...............................................145
In California (U.S. Only).............................226
Information Display Control.......................75
Information Displays.....................................95
General Information............................................ 95
Information Messages
................................103
Adaptive Cruise Control................................... 104
AdvanceTrac ™.................................................... 104
Alarm...................................................................... 104
Automatic Engine Shutdown........................ 104
AWD
........................................................................\
105
Battery and Charging System........................ 105
Blind Spot Information and Cross Traffic Alert System.................................................... 106
Brake System....................................................... 106
Collision Warning System................................ 107
Doors and Locks.................................................. 107
Fuel........................................................................\
... 107
Keys and Intelligent Access............................ 108
Maintenance........................................................ 108
MyKey..................................................................... 109
Park Aid.................................................................. 109
Power Steering..................................................... 110
Seats........................................................................\
110
Tire Pressure Monitoring System.................. 110
Towing....................................................................... 111
Traction Control..................................................... 111
Transmission.......................................................... 111
Installing Child Restraints
............................18
Child Restraints...................................................... 18
Using Lap and Shoulder Belts.......................... 19
Using Lower Anchors and Tethers for CHildren (LATCH)........................................... 24
Using Tether Straps............................................. 26
Instrument Cluster
........................................90
Instrument Lighting Dimmer.....................82
Instrument Panel Overview
.........................15
Interior Lamps.................................................83
Second Row Reading Lamps.......................... 83
Third Row Dome Lamps................................... 84Interior Mirror...................................................88
Auto-Dimming Mirror......................................... 88
Introduction.........................................................7
J
Jump Starting the Vehicle..........................221 Connecting the Jumper Cables..................... 221
Jump Starting...................................................... 222
Preparing Your Vehicle...................................... 221
Removing the Jumper Cables....................... 222
K
Keyless Entry
...................................................64
SECURICODE™ Keyless Entry
Keypad................................................................ 64
Keyless Starting............................................146 Ignition Modes..................................................... 146
Keys and Remote Controls.........................52
L
Liftgate...............................................................67
Lighting Control
..............................................80
Flashing the Headlamp High Beam...............81
Headlamp High Beam....................................... 80
Lighting
..............................................................80
General Information........................................... 80
Load Carriers See: Roof Racks and Load Carriers.............202
Load Carrying
................................................202
Load Limit.......................................................202
Special Loading Instructions for Owners of
Pick-up Trucks and Utility-type
Vehicles............................................................. 207
Vehicle Loading - with and without a Trailer................................................................. 202
Locking and Unlocking..................................61 Activating Intelligent Access............................ 62
Autolock................................................................... 63
Autounlock ............................................................ 63
Battery Saver......................................................... 64
Enabling or Disabling Autounlock.................63
Illuminated Entry.................................................. 64
Illuminated Exit..................................................... 64
Locking and Unlocking the Doors with the Key Blade............................................................. 61
504
Flex (TP3) , enUSA, Edition date: 201803, Second-Printing Index