2012 FORD FIESTA cooling

MANUAL HEATING AND AIR CONDITIONING SYSTEM
Manual system with A/C shown; heater only system similar.
1.
:Turn to select the desired fan speed.
2.Air flow selections:Controls the direction of the airflow in the
vehicle. See the following for a brief description on each control setting:
MAX A/C (if equipped):Distributes recirculated air through the
instrument panel vents to cool the vehicle. This re-cooling of the
interior air is more economical and efficient than normal A/C mode.
Recirculated air may also help reduce undesirable odors from entering
the vehicle.
:Distributes air through the instrument panel vents.Note:Yo u
may notice a small amount of air flowing from the floor vents and the
rear seat floor vents.
:Distributes air through the instrument panel vents, floor vents
and rear seat floor vents.
:Turns the climate control system off. When the system is off,
outside air is prevented from entering the vehicle.
:Distributes air through the floor vents and rear seat floor vents.
Note:You may notice a small amount of air flowing from the demister
and defroster vents.
:Distributes air through the windshield defroster vents, demisters
vents, floor vents and rear seat floor vents.
R
132
645
Climate Controls
100
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

:Distributes outside air through the windshield defroster and
demister vents. Can be used to clear thin ice or fog from the
windshield. The system will automatically provide outside air to reduce
window fogging. To exit
select another mode.
3.Temperature:Controls the temperature of the airflow in the vehicle.
For optimum defrosting performance, set the dial to the hottest setting.
4.
R:Press to activate/deactivate the rear window defroster. Refer to
Rear window defrosterlater in this chapter for more information. If
your vehicle is equipped with both rear defroster and heated mirrors, the
same button will activate both.
5.
:Press to activate/deactivate air recirculation in the vehicle
cabin. Recirculated air may reduce the amount of time required to cool
down the interior of the vehicle and may also help reduce undesired
odors from reaching the interior of the vehicle. Recirculated air engages
automatically when MAX A/C is selected or can be engaged manually in
any airflow mode except
(defrost).
6.A/C (if equipped):Press to activate/deactivate air conditioning. Use
with recirculated air to improve cooling performance and efficiency.
Engages automatically in
(defrost),(floor/defrost) or MAX A/C.
Operating tips
•To reduce fog build-up on the windshield during humid weather,
select
(defrost) or(floor/defrost).
•To reduce humidity build-up inside the vehicle, do not drive with the
system off or with
(recirculated air) engaged and A/C off.
•Do not put objects under the front seats that will interfere with the
airflow to the back seats.
•Remove any snow, ice or leaves from the air intake area at the base of
the windshield.
•To improve the time to reach comfort in hot weather, drive with the
windows slightly open for 2-3 minutes after start up or until the
vehicle has been “aired out.”
•A small amount of air may be felt from the floor vent regardless of the
air distribution setting that is selected.
During extreme high ambient temperatures when idling stationary for
extended periods of time in gear, it is recommended to run the A/C in
the MAX A/C position, reduce blower fan speed from the highest setting
Climate Controls
101
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

and put the vehicle’s transmission into the P (Park) gear position
(automatic transmission only) to continue to receive cool air from your
A/C system.
For maximum cooling performance in MAX A/C mode:
1. Select MAX A/C.
2. Select the coolest temperature setting.
3. Set the fan to the highest speed initially. As the interior starts to cool
down, adjust the fan speed to maintain comfort.
To aid in side window defogging/demisting in cold weather:
1. Select
.
2. Select A/C.
3. Adjust the temperature control to maintain comfort.
4. Set the fan speed to the highest setting.
5. Direct the outer instrument panel vents towards the side windows.
To increase airflow to the outer instrument panel vents, close the vents
located in the middle of the instrument panel.
REAR WINDOW DEFROSTER
R
The rear defroster control is located on the climate control panel and
works to clear the rear window of fog and thin ice.
The engine must be running to operate the rear window defroster.
Press
Rto turn the rear window defroster on. An indicator light on the
control will illuminate when active.
Note:The rear defroster will turn on automatically when the outside
temperature is below 41° F (5° C).
The rear window defroster turns off automatically after a predetermined
amount of time, if a low battery condition is detected or when the
ignition is turned off or to the accessory position. To manually turn off
the rear window defroster at any time, press the control again.
If your vehicle is equipped with both rear defroster and heated mirrors,
the same control will activate both. Refer toHeated outside mirrorsin
theDriver Controlschapter.
Do not use razor blades or other sharp objects to clean the inside
of the rear window or to remove decals from the inside or the
rear window. This may cause damage to the heated grid lines and
will not be covered by your warranty.
Climate Controls
102
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
The high-current fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingProtected circuits
F1 40A* Anti-lock brake system (ABS) pump
F2 50A* Transmission control module (TCM)
F3 40A* Engine cooling fan relay and motor
F4 40A* Heater blower relay and motor
F5 60A* Passenger compartment fuse panel
F6 30A* Body control module (BCM) – door
locks
F7 60A* Passenger compartment fuse panel
F8 40A* Powertrain control module (PCM),
Power distribution box
F9 20A* ABS module valve
R11R8
R12R9
R5R3
R6R4
R13R10
R2R1
R15R14
R7
F41F35
F26F17F27F18F28F19F29F20F30F21F31F22F32F23F33F24F34F25
F42F36
F43F37
F44F38
F45F39
F40
F6F1
F7F2
F8F3
F9F4
F10F5
F14F11
F15F12
F16F13
F46
Roadside Emergencies
262
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

Fuse/Relay
LocationFuse Amp
RatingProtected circuits
F35 10A** Left headlamp (low beam)
F36 10A** Right headlamp (low beam)
F37 10A** Left headlamp (high beam)
F38 10A** Right headlamp (high beam)
F39 2A** Natural vacuum leak detection
F40 — Not used
F41 — Not used
F42 — Not used
F43 — Not used
F44 — Not used
F45 — Not used
F46 — Not used
R1 — Not used
R2 — Not used
R3 — PCM relay
R4 — Heater blower relay
R5 — Engine cooling fan relay
R6 — A/C clutch relay
R7 — Not used
R8 — Daytime running lamp
R9 — Starter inhibit relay
R10 — High beam relay
R11 — Low beam relay
R12 — Reverse lamp relay
R13 — Not used
R14 — Not used
R15 — Not used
*Cartridge fuses **Mini fuses
Roadside Emergencies
264
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

WARNING:Do not insert the nozzle of portable fuel containers
or aftermarket funnels into the Easy Fuelsystem. This could
damage the fuel system and its seal, and may cause fuel to run onto
the ground instead of filling the tank, all of which could result in
serious personal injury.
JUMP STARTING
WARNING:The gases around the battery can explode if
exposed to flames, sparks, or lit cigarettes. An explosion could
result in injury or vehicle damage.
WARNING:Batteries contain sulfuric acid which can burn skin,
eyes and clothing, if contacted.
Do not attempt to push-start your automatic transmission
vehicle. Automatic transmissions do not have push-start
capability. Attempting to push-start a vehicle with an automatic
transmission may cause transmission damage.
Preparing your vehicle
When the battery is disconnected or a new battery is installed, the
automatic transmission must relearn its shift strategy. As a result, the
transmission may have firm and/or soft shifts. This operation is
considered normal and will not affect function or durability of the
transmission. Over time, the adaptive learning process will fully update
transmission operation.
1.Use only a 12–volt supply to start your vehicle.
2. Do not disconnect the battery of the disabled vehicle as this could
damage the vehicle’s electrical system.
3. Park the booster vehicle close to the hood of the disabled vehicle
making sure the two vehiclesdo nottouch. Set the parking brake on
both vehicles and stay clear of the engine cooling fan and other moving
parts.
4. Check all battery terminals and remove any excessive corrosion before
you attach the battery cables. Ensure that vent caps are tight and level.
5. Turn the heater fan on in both vehicles to protect from any electrical
surges. Turn all other accessories off.
Roadside Emergencies
271
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

•Improved boiling protection.
•Protection against rust and other forms of corrosion.
•Proper function of calibrated gauges.
When the engine is cold, check the
level of the engine coolant in the
reservoir.
•The engine coolant should be at the FULL COLD level, or within the
COLD FILL or MIN / MAX range as listed on the engine coolant
reservoir (depending upon application).
•Refer toscheduled maintenance informationfor service interval
schedules.
If the engine coolant has not been checked at the recommended interval,
the engine coolant reservoir may become low or empty. If the reservoir is
low or empty, add engine coolant to the reservoir. Refer toAdding
engine coolantin this chapter.
Note:Automotive fluids are not interchangeable; do not use engine
coolant/antifreeze or windshield washer fluid outside of its specified
function and vehicle location.
Adding engine coolant
When adding coolant, make sure it is a 50/50 mixture of engine coolant
and distilled water. Add the mixture to the coolant reservoir,when the
engine is cool,until the appropriate fill level is obtained. If coolant is
filled to the COLD FILL RANGE or FULL COLD level when the engine is
not cool, the system will remain underfilled.
WARNING:Do not add engine coolant when the engine is hot.
Steam and scalding liquids released from a hot cooling system
can burn you badly. Also, you can be burned if you spill coolant on hot
engine parts.
Maintenance and Specifications
300
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)

WARNING:Do not put engine coolant in the windshield washer
fluid container. If sprayed on the windshield, engine coolant
could make it difficult to see through the windshield.
•DO NOT MIXdifferent colors or types of coolant in your vehicle.
Make sure the correct coolant is used. Mixing of engine coolants may
harm your engine’s cooling system. The use of an improper coolant
may harm engine and cooling system components and may void the
warranty. Refer toMaintenance product specifications and
capacitiesin this chapter.
Note:Do not use stop leak pellets or cooling system sealants/additives
as they can cause damage to the engine cooling and/or heating systems.
This damage would not be covered under your vehicle’s warranty.
•A large amount of water without engine coolant may be added, in case
of emergency, to reach a vehicle service location. In this instance, the
cooling system must be drained, chemically cleaned with Motorcraft
Premium Cooling System Flush, and refilled with a 50/50 mixture of
engine coolant and distilled water as soon as possible. Water alone
(without engine coolant) can cause engine damage from corrosion,
overheating or freezing.
•Do not use alcohol, methanol, brine or any engine coolants
mixed with alcohol or methanol antifreeze (coolant).Alcohol
and other liquids can cause engine damage from overheating or
freezing.
•Do not add extra inhibitors or additives to the coolant.These
can be harmful and compromise the corrosion protection of the engine
coolant.
For vehicles with overflow coolant systems with a non-pressurized cap
on the coolant recovery system, add coolant to the coolant recovery
reservoir when the engine is cool. Add the proper mixture of coolant and
distilled water to the FULL COLD level. For all other vehicles which have
a coolant degas system with a pressurized cap, or if it is necessary to
remove the coolant pressure relief cap on the radiator of a vehicle with
an overflow system, follow these steps to add engine coolant.
WARNING:To reduce the risk of personal injury, make sure the
engine is cool before unscrewing the coolant pressure relief cap.
The cooling system is under pressure; steam and hot liquid can come
out forcefully when the cap is loosened slightly.
Maintenance and Specifications
301
2012 Fiesta(fie)
Owners Guide, 1st Printing
USA(fus)