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4. When you are sure that all the pressure has been released, use the
cloth to turn it counterclockwise and remove the cap.
5. Fill the coolant reservoir slowly with the proper coolant mixture, to
within the COLD FILL RANGE or the FULL COLD level on the reservoir.
If you removed the radiator cap in an overflow system, fill the radiator
until the coolant is visible and radiator is almost full.
6. Replace the cap. Turn until tightly installed. Cap must be tightly
installed to prevent coolant loss.
After any coolant has been added, check the coolant concentration (refer
toChecking engine coolant). If the concentration is not 50/50
(protection to –34°F/–36°C), drain some coolant and adjust the
concentration. It may take several drains and additions to obtain a 50/50
coolant concentration.
Whenever coolant has been added, the coolant level in the coolant
reservoir should be checked the next few times you drive the vehicle. If
necessary, add enough 50/50 concentration of engine coolant and
distilled water to bring the liquid level to the proper level.
If you have to add more than 1.0 quart (1.0 liter) of engine coolant per
month, have your authorized dealer check the engine cooling system.
Your cooling system may have a leak. Operating an engine with a low
level of coolant can result in engine overheating and possible engine
damage.
Recycled engine coolant
Ford Motor Company does NOT recommend the use of recycled engine
coolant since a Ford-approved recycling process is not yet available.
Used engine coolant should be disposed of in an appropriate
manner. Follow your community’s regulations and standards for recycling
and disposing of automotive fluids.
Coolant refill capacity
To find out how much fluid your vehicle’s cooling system can hold, refer
toMaintenance product specifications and capacitiesin this chapter.
Fill your engine coolant reservoir as outlined inAdding engine coolant
in this section.
Severe climates
If you drive in extremely cold climates (less than –34°F [–36°C]):
•It may be necessary to increase the coolant concentration
above 50%.
Maintenance and Specifications
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Page 357 of 362

Changing a tire .........................251
Child safety seats ......................156
attaching with tether straps ..163
in front seat ............................157
in rear seat ..............................157
LATCH .....................................160
recommendations ...................154
Child safety seats - booster
seats ...........................................165
Cleaning your vehicle
engine compartment ..............277
instrument panel ....................280
interior .....................................281
plastic parts ............................279
washing ....................................276
waxing .....................................276
wheels ......................................277
wiper blades ............................279
Climate control (see Air
conditioning or Heating) ......44, 47
Clock adjust
AM/FM/CD .................................26
Compass, electronic ....................66
calibration .................................67
set zone adjustment .................66
Console ........................................68
overhead ....................................65
Controls
power seat ...............................113
steering column ........................75
Coolant
checking and adding ..............295
refill capacities ................298, 321
specifications ..........................321
Cruise control (see Speed
control) ........................................73
Customer Assistance ................242Ford Extended Service
Plan ..................................330, 333
Getting assistance outside the
U.S. and Canada .....................272
Getting roadside assistance ...242
Getting the service you
need .........................................268
Ordering additional owner’s
literature .................................274
Utilizing the
Mediation/Arbitration
Program ...................................272
D
Daytime running lamps (see
Lamps) .........................................53
Dipstick
automatic transmission
fluid ..........................................314
engine oil .................................289
Driving under special
conditions ..................225, 236, 239
sand .........................................237
snow and ice ...........................239
through water .................238, 241
E
Electronic message center .........18
Emergencies, roadside
jump-starting ..........................263
running out of fuel .........262, 307
Emergency Flashers .................243
Emission control system ..........311
Engine ........................................324
cleaning ...................................277
coolant .....................................295
fail-safe cooling .......................299
idle speed control ...................293
Index
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2011 Mariner(mrn)
Owners Guide, 1st Printing
USA(fus)
Page 361 of 362

What Maintenance Schedule
Should You Follow? ................336
Seats ..........................................109
child safety seats ....................156
cleaning ...................................282
heated ......................................114
SecuriCode keyless entry
system ........................................103
SecuriLock passive anti-theft
system ........................................105
Servicing your vehicle ..............284
Setting the clock .........................26
Snowplowing .................................6
SOS Post Crash Alert ...............151
Spark plugs,
specifications .....................320, 324
Special notice
ambulance conversions ..............6
utility-type vehicles ....................6
Specification chart,
lubricants ...................................321
Speed control ..............................73
Starting a flex fuel vehicle .......209
Starting your
vehicle ........................206–207, 209
jump starting ..........................263
Steering wheel
controls ......................................75
tilting .........................................64
Stereo
CD-MP3 .....................................26
SYNC..........................................43
T
Tilt steering wheel ......................64Tire Pressure Monitoring
System (TPMS)
Tires, Wheels and Loading ....187
Tires ...........................171–173, 251
alignment ................................180
care ..........................................176
changing ..................251, 254, 256
checking the pressure ............176
inflating ...................................174
label .........................................186
replacing
..................................177
rotating
....................................180
safety practices
.......................179
sidewall information
...............181
snow tires and chains
............192
spare tire
.........................252, 254
terminology
.............................173
tire grades
...............................172
treadwear
........................172, 176
Towing
.......................................200
recreational towing
.................204
trailer towing
..........................200
wrecker
....................................266
Transmission
.............................222
brake-shift interlock (BSI)
....221
fluid, checking and adding
(automatic)
.............................314
fluid, refill capacities
..............321
lubricant specifications
..........321
Trunk
...........................................86
Turn signal
..................................55
U
Universal garage door opener
....77
USB port
......................................36
Index
361
2011 Mariner(mrn)
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USA(fus)
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