engine oil FORD FLEX 2015 1.G Owners Manual
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Maintenance 293
General information...................................293
Opening and closing the hood............................294
Under hood overview..................................295
Engine oil dipstick....................................297
Engine oil check......................................297
Engine coolant check..................................298
Automatic transmission fluid check........................304
Brake fluid check.....................................308
Fuel filter...........................................308
Washer fluid check....................................309
Battery ............................................309
Checking the wiper blades..............................311
Changing the wiper blades..............................311
Air filter(s).........................................312
Adjusting the headlamps................................314
Changing a bulb......................................315
Vehicle Care 320
Cleaning products.....................................320
Cleaning the exterior..................................320
Waxing.............................................322
Repairing minor paint damage............................322
Cleaning the engine...................................322
Cleaning the windows and wiper blades.....................323
Cleaning the interior...................................324
Cleaning the instrument panel and instrument cluster lens.......324
Cleaning leather seats..................................325
Cleaning the alloy wheels...............................326
Vehiclestorage.......................................327
Table of Contents7
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SYMBOL GLOSSARY
These are some of the symbols you may see on your vehicle.
Symbol Description Symbol Description Symbol Description
Safety alertSee Owner’s
ManualAnti-lock
braking
system
Avoid
smoking,
flames, or
sparksBatteryBattery acid
Brake fluid –
non
petroleum
baseBrake systemCabin air
filter
Check fuel
capChild Safety
Door Lock
and UnlockChild seat
lower anchor
Child seat
tether anchorCruise
controlDo not open
when hot
Engine air
filterEngine
coolantEngine
coolant
temperature
Engine oilExplosive gasFan warning
Fasten safety
beltFront airbagFront fog
lamps
Fuel pump
resetFuse
compartmentHazard
warning
flasher
Heated rear
windowInterior
luggage
compartment
releaseJack
Introduction11
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Engine oil pressure (RTT)
Illuminates when the oil pressure falls below the normal range.
Engine coolant temperature (RTT)
Illuminates when the engine coolant temperature is high. Stop
the vehicle as soon as possible, switch off the engine and let
cool.
Fog lamps (if equipped)
Illuminates when the fog lamps are turned on.
Grade assist and overdrive cancel (if equipped) (RTT)
Illuminates when grade assist is turned on.
Heads up display (if equipped)
A red beam of lights will illuminate on the windshield in certain
instances when using adaptive cruise control and/or the
collision warning system. It will also illuminate momentarily
when you start your vehicle to make sure the display works.
High beams
Illuminates when the high-beam headlamps are on.
Low fuel (RTT)
Illuminates when the fuel level in the fuel tank is at or near
empty.
Liftgate ajar (RTT)
Illuminates when the ignition is on and liftgate is not
completely closed.
11 6Instrument Cluster
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Keys and Intelligent
Access MessagesAction / Description
Max Number of Keys
LearnedDisplayed during spare key programming when
the maximum number of keys have been
programmed.
Press Brake to Start Displayed when the start/stop button is
pressed without the brake pedal being applied.
This is a reminder that the brake pedal must
be applied when the start/stop button is
pressed in order to start the engine.
Restart Now or Key is
NeededDisplayed when the start/stop button is
pressed to shut off the engine and a Intelligent
Access Key is not detected inside the vehicle.
Accessory Power is
ActiveDisplayed when the vehicle is in the accessory
ignition state.
Starting System Fault This message is displayed when there is a
problem with your vehicle’s starting system.
See your authorized dealer for service.
Maintenance
MessagesAction / Description
LOW Engine Oil
PressureStop the vehicle as soon as safely possible,
turn off the engine. Check the oil level. If the
warning stays on or continues to come on with
your engine running, contact your authorized
dealer as soon as possible.
Change Engine Oil
SoonDisplayed when the engine oil life remaining is
10% or less.
Oil Change Required Displayed when the oil life left reaches 0%.
Engine Coolant
OvertemperatureDisplayed when the engine coolant
temperature is excessively high.
Washer Fluid Level
LOWIndicates the washer fluid reservoir is less than
one quarter full. Check the washer fluid level.
Steering Malfunction
Service NowDisplays when the steering system needs
service. See your authorized dealer.
Information Displays135
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BREAKING-IN
You need to break in new tires for approximately 300 miles
(480 kilometers). During this time, your vehicle may exhibit some unique
driving characteristics. Avoid driving too fast during the first 1000 miles
(1600 kilometers). Vary your speed frequently and change up through
the gears early. Do not labor the engine. Do not tow during the first
1000 miles (1600 kilometers).
ECONOMICAL DRIVING
Fuel economy is affected by several things, such as how you drive, the
conditions you drive under and how you maintain your vehicle.
There are some things to keep in mind that may improve your fuel economy:
•Accelerate and slow down in a smooth, moderate fashion.
•Drive at steady speeds without stopping.
•Anticipate stops; slowing down may eliminate the need to stop.
•Combine errands and minimize stop-and-go driving.
•Close the windows for high-speed driving.
•Drive at reasonable speeds (traveling at 55 mph [88 km/h] uses 15%
less fuel than traveling at 65 mph [105 km/h]).
•Keep the tires properly inflated and use only the recommended size.
•Use the recommended engine oil.
•Perform all regularly scheduled maintenance.
There are also some things you may not want to do because they may
reduce your fuel economy:
•Sudden or hard accelerations.
•Rev the engine before turning it off.
•Idle for periods longer than one minute.
•Warm up your vehicle on cold mornings.
•Use the air conditioner or front defroster.
•Use the speed control in hilly terrain.
•Rest your foot on the brake pedal while driving.
•Drive a heavily loaded vehicle or tow a trailer.
•Carry unnecessary weight (approximately 1 mpg [0.4 km/L] is lost for
every 400 pounds [180 kilograms] of weight carried).
Driving Hints267
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Fuse or relay
numberFuse amp
ratingProtected components
78 20A* Right high-intensity discharge
headlamps
79 10A* Adaptive cruise control
80 — Not used
81 — Not used
82 15A* Rear washer
83 — Not used
84 20A* Trailer tow park lamps
85 — Not used
86 5A* Powertrain control module —
keep-alive power, Powertrain
control module relay, Canister
vent solenoid (non-EcoBoost
engines)
87 5A* Run/start
88 — Run/start relay
89 10A* Anti–lock brake system module
90 10A* Powertrain control module
run/start
91 10A* Adaptive cruise control
92 5A* Front blower relay coil, Power
steering module
93 5A* Auxiliary blower, Rear defroster,
Battery charge relays
94 30A** Body control module run/start
95 5A* Front passenger window switch
96 — Not used
97 — Not used
98 — A/C clutch relay
*Mini Fuses **Cartridge Fuses
Fuses289
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UNDER HOOD OVERVIEW
3.5L V6 engine
A. Engine coolant reservoir
B. Windshield washer fluid reservoir
C. Brake fluid reservoir
D. Battery
E. Power distribution box
F. Air filter assembly
G. Automatic transmission fluid dipstick
H. Engine oil dipstick
I. Engine oil filler cap
A
IHGF
BCDE
Maintenance295
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3.5L V6 EcoBoost® Engine
A. Engine coolant reservoir
B. Brake fluid reservoir
C. Battery
D. Power distribution box
E. Air filter assembly
F. Automatic transmission fluid dipstick (out of view)
G. Engine oil dipstick
H. Engine oil filler cap
I. Windshield washer fluid reservoir
ABCD
EFGHI
296Maintenance
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Engine shield
Some vehicles may be equipped with an aero-shield under the engine.
This shield needs to be removed for service, including oil and filter
changes. It is secured with four quick release fasteners.
ENGINE OIL DIPSTICK
3.5L and 3.5L EcoBoost
A. MIN
B. MAX
ENGINE OIL CHECK
Note:Check the level before starting the engine.
Note:Make sure that the level is between the MIN and MAX marks.
1. Make sure that your vehicle is on level ground.
2. Turn the engine off and wait 10 minutes for the oil to drain into the
oil pan.
3. Remove the dipstick and wipe it with a clean, lint-free cloth. Replace
the dipstick and remove it again to check the oil level.
If the level is at the MIN mark, add oil immediately.
AB
Maintenance297
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Adding Engine Oil
Note:Do not remove the filler cap when the engine is running.
Note:Do not add engine oil further than the MAX mark. Oil levels above
the MAX mark may cause engine damage.
Only use oils certified for gasoline engines by the
American Petroleum Institute (API). An oil with this
trademark symbol conforms to the current engine and
emission system protection standards and fuel
economy requirements of the International Lubricants
Specification Advisory Council (ILSAC), comprised of
U.S. and Japanese automobile manufacturers.
1. Remove the filler cap.
2. Add engine oil that meets Ford specifications. SeeCapacities and
Specificationsfor more information.
3. Wipe off any spilled oil.
4. Replace the filler cap. Turn it until you feel a strong resistance.
ENGINE COOLANT CHECK
Checking the Engine Coolant
The concentration and level of engine coolant should be checked at the
intervals listed inScheduled Maintenance Information.
Note:Make sure that the level is between the MIN and MAX marks on
the coolant reservoir.
Note:Coolant expands when it is hot. The level may extend beyond the
MAX mark.
If the level is at the MIN mark, below the MIN mark, or empty, add
coolant immediately. SeeAdding Engine Coolantin this chapter.
The coolant concentration should be maintained within 48% to 50%, which
equates to a freeze point between -30°F (-34°C) and -34°F (-37°C).
Note:For best results, coolant concentration should be tested with a
refractometer such as Robinair Coolant and Battery Refractometer
75240. We do not recommend the use of hydrometers or coolant test
strips for measuring coolant concentrations.
Note:Automotive fluids are not interchangeable; do not use engine
coolant/antifreeze or windshield washer fluid outside of its specified
function and vehicle location.
298Maintenance
2015 Flex(471)
Owners Guide gf, 1st Printing, October 2014
USA(fus)