octane FORD FLEX 2015 1.G Owners Manual
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Page 191 of 571

•Avoid inhaling fuel vapors. Inhaling too much fuel vapor of any kind
can lead to eye and respiratory tract irritation. In severe cases,
excessive or prolonged breathing of fuel vapor can cause serious
illness and permanent injury.
•Avoid getting fuel liquid in your eyes. If fuel is splashed in the eyes,
remove contact lenses (if worn), flush with water for 15 minutes and
seek medical attention. Failure to seek proper medical attention could
lead to permanent injury.
•Fuels can also be harmful if absorbed through the skin. If fuel is
splashed on the skin or clothing, promptly remove contaminated
clothing and wash skin thoroughly with soap and water. Repeated or
prolonged skin contact with fuel liquid or vapor causes skin irritation.
•
Be particularly careful if you are taking Antabuse or other forms of
disulfiram for the treatment of alcoholism. Breathing gasoline vapors, or
skin contact could cause an adverse reaction. In sensitive individuals,
serious personal injury or sickness may result. If fuel is splashed on the
skin, promptly wash skin thoroughly with soap and water. Consult a
physician immediately if you experience an adverse reaction.
FUEL QUALITY
Note:Use of any fuel other than those recommended may cause
powertrain damage and a loss of vehicle performance; repairs may not be
covered under warranty.
Choosing the Right Fuel (Gasoline Engines)
Use only UNLEADED gasoline or UNLEADED gasoline blended with a
maximum of 15% ethanol in your gasoline vehicle. If your vehicle is a Flex
Fuel Vehicle (FFV), it will have a yellow bezel placed over the fuel fill inlet.
Do not use:
•Fuels containing more than 15% ethanol or E-85 fuel.
•Fuels containing methanol.
•Fuels containing metallic based additives, including manganese-based
compounds.
•Fuels containing the octane booster additive, methylcyclopentadienyl
manganese tricarbonyl (MMT).
190Fuel and Refueling
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•Leaded-fuel (The use of leaded fuel is prohibited by law).
Note:Use of any fuel other than recommended fuel can cause
powertrain damage, impair the emission control system or cause loss of
vehicle performance. Any damage to vehicle that is caused by use of fuel
not recommended will not be covered under warranty.
Octane Recommendations
3.5L V6 TiVCT Engines
We recommend regular unleaded gasoline with a pump (R+M)/2 octane
rating of 87. Some stations offer fuels posted as regular with an octane
rating below 87, particularly in high altitude areas. We do not
recommend fuels with octane levels below 87.
3.5L V6 EcoBoost Engines
We recommend regular unleaded gasoline with a pump (R+M)/2 octane
rating of 87. Some stations offer fuels posted as regular with an octane
rating below 87, particularly in high altitude areas. We do not
recommend fuels with octane levels below 87. To provide improved
performance, we recommend premium fuel for severe duty usage such as
trailer tow.
Do not be concerned if your engine sometimes knocks lightly. However, if
it knocks heavily while you are using fuel with the recommended octane
rating, contact an authorized dealer to prevent any engine damage.
RUNNING OUT OF FUEL
Avoid running out of fuel because this situation may have an adverse
effect on powertrain components.
If you have run out of fuel:
•You may need to cycle the ignition from off to on several times after
refueling to allow the fuel system to pump the fuel from the tank to
the engine. On restarting, crank time will be a few seconds longer
than normal. With keyless ignition, just start the engine. Crank time
will be longer than usual.
•Normally, adding 1 gallon (3.8 liters) of fuel is enough to restart the
engine. If the vehicle is out of fuel and on a steep grade, more than
1 gallon (3.8 liters) may be required.
•The service engine soon indicator may come on. For more information
on the service engine soon indicator, seeWarning Lamps and
Indicatorsin theInstrument Clusterchapter.
Fuel and Refueling191
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ENGINE SPECIFICATIONS
Engine 3.5L V6 engine 3.5L V6 EcoBoost engine
Cubic inches 214 214
FuelSeeOctane
recommendationsin
the Fuel and Refueling
chapter.SeeOctane
recommendationsin the
Fuel and Refueling chapter.
Firing order 1–4–2–5–3–6 1–4–2–5–3–6
Spark plug gap0.049-0.053 inch
(1.25-1.35 mm).0.0295–0.0335 inch
(.75– .85 mm)
Ignition system Coil on plug Coil on plug
Compression
ratio10.8:1 10.0:1
Engine Drivebelt Routing
Capacities and Specifications361
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Display settings .........................496
Drivebelt ....................................361
Driving under special
conditions ..................203, 205, 208
sand .........................................207
snow and ice ...........................209
through water .................207, 268
Dual automatic temperature
control (DATC) .................140, 142
E
Electronic message center .......120
Electronic stability control ......215
Emergencies, roadside
jump-starting ..........................273
running out of fuel .................191
Emergency brake
(see Parking brake) ..................212
Emission control system ..........196
End user license agreement ....528
Engine ........................................361
cleaning ...................................322
coolant .....................................298
fail-safe cooling .......................302
idle speed control ...................309
lubrication specifications .......362
refill capacities ........................362
service points ..........................296
Engine block heater .................187
Engine oil
checking and adding ..............297
dipstick ....................................297
filter, specifications ................366
refill capacities ........................362
specifications ..........................362
Event data recording ..................13
Exhaust fumes ..........................187F
Fail safe cooling ........................302
Fleet MyKey programming ........70
Floor mats .................................268
Fluid capacities .........................362
Four-Wheel Drive vehicles
driving off road .......................205
Freezer ......................................179
Fuel
cap ...........................................194
capacity ...................................362
choosing the right fuel ...........190
filler funnel .............................191
filling your vehicle
with fuel ..................................194
filter, specifications ........308, 366
fuel pump shut-off ..................272
octane rating ...................191, 361
quality ......................................190
running out of fuel .................191
safety information relating to
automotive fuels .....................189
Fuel and distance computer ....123
outside temperature
indicator ..................................123
to empty indicator ..................123
trip distance ............................123
trip/reset button .....................123
Fuses ..................................284–285
G
Garage door opener ..................170
Gas cap (see Fuel cap) ............194
Gauges ...............................112–113
odometer .................................123
trip odometer ..........................123
Index565
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M
Making and receiving calls .......477
MAP DVD - Loading and
Unloading ..................................477
Map icons ..................................518
Map mode ..................................516
Map preferences .......................514
Map updates ..............................519
Media Bluetooth menu options
(adding, connecting, deleting,
turning on/off) ..........................428
Message center .........................120
warning messages ...........123, 130
Mirrors ...............................106, 109
fold away .................................106
programmable memory ............66
side view mirrors (power) .....106
Moon roof ..................................110
Motorcraft® parts .............320, 366
MyFord Touch™ system ..........442
MyKey ..........................................70
N
Navigation features ...................510
Navigation voice commands ....520
Notifications ..............................490
O
Octane rating ............................191
P
Pairing other phones ........398, 477
Pairing your phone ...................476Pairing your phone for
the first time .....................397, 476
Parental MyKey programming ...70
Park Assist ................................218
Parking brake ............................212
Parts
(see Motorcraft® parts) ..........366
Passenger Occupant
Classification Sensor ...................54
Phone Bluetooth menu options
(adding, connecting, deleting,
turning on/off) ..........................409
Phone redial ..............................402
Phone settings ..................480, 503
Phone voice commands ............482
Playing music (by artist,
album, genre, playlist,
tracks, similar) ..........................426
POI categories ...........................512
Point of Interest (POI) .............512
Power distribution box
(see Fuses) ...............................285
Power door locks ........................74
Power liftgate ..............................80
Power mirrors ...........................106
Powerpoint ................................175
Power steering ..........................245
fluid, checking and adding ....308
fluid, refill capacity ................362
fluid, specifications .................362
Power Windows .........................105
Privacy information ..........394, 448
Push button start system .........182
Putting a call on/off hold .........401
Index567
2015 Flex(471)
Owners Guide gf, 1st Printing, October 2014
USA(fus)