cooling FORD MUSTANG 2019 Owners Manual

Fuel Gauge
Note:
The fuel gauge may vary slightly
when your vehicle is moving or on a slope.
The fuel gauge indicates about how much
fuel is in the fuel tank.
The arrow adjacent to the fuel pump
symbol indicates on which side of your
vehicle the fuel filler door is located.
Low Fuel Reminder
For MyKey users, a warning tone sounds
and a message appears in the information
display when the distance to empty
reaches 75 mi (120 km).
For all keys, a warning tone sounds and a
message appears in the information
display when the distance to empty
reaches
50 mi (80 km). A warning tone
sounds and a message appears in the
information display again at the following
distance to empty parameters:
• 25 mi (40 km)
• 10 mi (20 km)
• 0 mi (0 km)
Note: The low fuel reminder can appear at
different fuel gauge positions depending on
fuel economy conditions. This variation is
normal.
Information Bar
Displays information such as compass
direction, outside air temperature,
odometer and transmission gear selector. Engine Coolant Temperature
Gauge WARNING:
Do not remove the
coolant reservoir cap when the cooling
system is hot. Wait 10 minutes for the
cooling system to cool down. Cover the
coolant reservoir cap with a thick cloth
to prevent the possibility of scalding and
slowly remove the cap. Failure to follow
this instruction could result in personal
injury.
Indicates engine coolant temperature. At
normal operating temperature, the level
indicator will be in the normal range. If the
engine coolant temperature exceeds the
normal range, stop your vehicle as soon as
safely possible, switch off the engine and
let it cool.
Gauge Package
(If Equipped) Oil Pressure Gauge
Indicates the engine oil pressure.
Vacuum or Vacuum and Boost Gauge
Indicates the vacuum or vacuum and boost
pressure in the intake.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Instrument ClusterE196366

Heated Rear Window
Press to switch the heated rear window on
and off. See Heated Rear Window (page
115).
Max A/C
Adjust the control for maximum cooling.
Recirculated air flows through the
instrument panel vents, air conditioning
turns on and the fan adjusts to the highest
speed.
Note: Note: In certain conditions (for
example, maximum defrost), the air
conditioning compressor may continue to
operate even though you switch off the air
conditioning.
Temperature Control
Adjust the temperature using the control.
Max Defrost
Adjust the control to switch on defrost. Air
flows through the windshield vents and
the fan adjusts to the highest speed. You
can also use this setting to defog and clear
the windshield of a thin covering of ice. The
heated rear window also turns on when
you select maximum defrost.
Note: To prevent window fogging, you
cannot select recirculated air when
maximum defrost is on. Recirculated Air
Press to switch between outside air and
recirculated air. The air currently in the
passenger compartment recirculates. This
may reduce the time needed to cool the
interior (when used with A/C) and reduce
unwanted odors from entering your vehicle.
Note:
Recirculated air may turn off (or
prevent you from switching on) in all air flow
modes except MAX A/C to reduce the risk
of fogging. Recirculation may also turn on
and off in various air distribution control
combinations during hot weather in order
to improve cooling efficiency.
Air Distribution Control
Press to switch air flow from the
windshield, instrument panel or footwell
vents on or off. You can distribute air
through any combination of these vents.
A/C
Press the button to switch the air
conditioning on or off. Use air conditioning
with recirculated air to improve cooling
performance and efficiency.
Note: In certain conditions (for example,
maximum defrost), the air conditioning
compressor may continue to operate even
though you switch off the air conditioning.
Fan Speed Indicator
Illuminates to indicate fan speed.
Fan Speed Control
Adjust the volume of air circulated in the
vehicle.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Climate Control

Note:
The system may limit the maximum
difference between driver and passenger
settings. Whenever you make an adjustment
that would result in a larger difference, both
settings change together.
Defrost
Press to distribute air through the
windshield air vents and de-mister. Air
distribution to the instrument panel and
footwell vents turns off. You can also use
this setting to defog and clear the
windshield of a thin covering of ice.
Max Defrost
Press to switch on defrost. The left-hand
and right-hand settings set to HI, air flows
through the windshield vents, and the fan
adjusts to the highest speed. You can also
use this setting to defog and clear the
windshield of a thin covering of ice. The
heated rear window also turns on when
you select maximum defrost.
Note: To prevent window fogging, you
cannot select recirculated air when
maximum defrost is on.
Fan Speed Control
Adjust the volume of air circulated in the
vehicle.
Power
Press to switch the system on and off.
When the system is off, it prevents outside
air from entering the vehicle.
Max A/C
Press for maximum cooling. The left-hand
and right-hand settings set to LO,
recirculated air flows through the
instrument panel vents, air conditioning
turns on and the fan adjusts to the highest
speed. A/C
Press the button to switch the air
conditioning on or off. Use air conditioning
with recirculated air to improve cooling
performance and efficiency.
Note:
In certain conditions (for example,
maximum defrost), the air conditioning
compressor may continue to operate even
though you switch off the air conditioning.
Right-hand Temperature Control
Adjusts the temperature setting on the
right-hand side.
Climate Controlled Seats
Press to cycle through the various climate
controlled seat settings and off. See
Climate Controlled Seats (page 122).
Auto
Press to switch on automatic operation,
then adjust the temperature control to
select the desired temperature. Fan speed,
air distribution, air conditioning operation,
and outside or recirculated air adjust to
heat or cool the vehicle to maintain the
desired temperature. You can also switch
off dual zone mode by pressing and
holding for more than two seconds.
Recirculated Air
Press to switch between outside air and
recirculated air. The air currently in the
passenger compartment recirculates. This
may reduce the time needed to cool the
interior (when used with A/C) and reduce
unwanted odors from entering your vehicle.
Note: Recirculated air may turn off (or
prevent you from switching on) in all air flow
modes except MAX A/C to reduce the risk
of fogging. Recirculation may also turn on
and off in various air distribution control
combinations during hot weather to improve
cooling efficiency.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Climate Control

Heated Rear Window
Press to switch the heated rear window on
and off. See Heated Rear Window (page
115).
HINTS ON CONTROLLING THE
INTERIOR CLIMATE
General Hints
Note: Prolonged use of recirculated air may
cause the windows to fog up.
Note: You may feel a small amount of air
from the footwell air vents regardless of the
air distribution setting.
Note: To reduce humidity build-up inside
your vehicle, do not drive with the system
switched off or with recirculated air always
switched on.
Note: Do not place objects under the front
seats as this may interfere with the airflow
to the rear seats.
Note: Remove any snow, ice or leaves from
the air intake area at the base of the
windshield.
Note: To improve the time to reach a
comfortable temperature in hot weather,
drive with the windows open until you feel
cold air through the air vents. Manual Climate Control
Note:
To reduce fogging of the windshield
during humid weather, adjust the air
distribution control to the windshield air
vents position.
Automatic Climate Control
Note: Adjusting the settings when your
vehicle interior is extremely hot or cold is
not necessary. The system automatically
adjusts to heat or cool the interior to your
selected temperature as quickly as possible.
For the system to function efficiently, the
instrument panel and side air vents should
be fully open.
Note: If you select
AUTO during cold
temperatures, the system directs airflow to
the windshield and side window vents. In
addition, the fan may run at a slower speed
until the engine warms up.
Note: If you select
AUTO during hot
temperatures and the inside of the vehicle
is hot, the system automatically uses
recirculated air to maximize interior cooling.
Fan speed may also reduce until the air
cools.
Quickly Heating the Interior Automatic climate control
Manual climate control
Press
AUTO.
Adjust the fan speed to the highest
setting.
1
Adjust the temperature control to the
desired setting.
Adjust the temperature control to the
full heat setting.
2
Direct air to the footwell using the air
distribution buttons.
3
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Recommended Settings for Heating
Automatic climate control
Manual climate control
Press AUTO.
Adjust the fan speed to the center
setting.
1
Adjust the temperature control to the
desired setting. Use
72°F (22°C) as a
starting point, then adjust the setting as
necessary.
Adjust the temperature control to the
midway point of the hot settings.
2
Direct air to the footwell using the air
distribution buttons.
3
Quickly Cooling the Interior Automatic climate control
Manual climate control
Select
MAX A/C.
Select MAX A/C.
1
Drive with the windows open until you
feel cold air through the air vents.
2
Recommended Settings for Cooling Automatic climate control
Manual climate control
Press
AUTO.
Adjust the fan speed to the center
setting.
1
Adjust the temperature control to the
desired setting. Use
72°F (22°C) as a
starting point, then adjust the setting as
necessary.
Adjust the temperature control to the
midway point of the cold settings.
2
Direct air to the instrument panel using
the air distribution buttons.
3
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When Towing a Trailer
•
Do not drive faster than 70 mph
(113 km/h) during the first 500 mi
(800 km).
• Do not make full-throttle starts.
• Check your hitch, electrical connections
and trailer wheel lug nuts thoroughly
after you have traveled 50 mi (80 km).
• When stopped in congested or heavy
traffic during hot weather, place the
transmission in park (P) or neutral (N)
to aid engine and transmission cooling
and to help air conditioning
performance.
• Switch off the speed control with
heavy loads or in hilly terrain. The
speed control may turn off
automatically when you are towing on
long, steep grades.
• Shift to a lower gear when driving down
a long or steep hill. Do not apply the
brakes continuously, as they may
overheat and become less effective.
• If your transmission is equipped with a
Grade Assist or Tow/Haul feature, use
this feature when towing. This provides
engine braking and helps eliminate
excessive transmission shifting for
optimum fuel economy and
transmission cooling.
• Allow more distance for stopping with
a trailer attached. Anticipate stops and
brake gradually.
• Avoid parking on a slope. However, if
you must park on a slope:
1. Turn the steering wheel to point your vehicle tires away from traffic flow.
2. Set your vehicle parking brake.
3. Place the automatic transmission in park (P) or manual transmission in a
low gear. 4. Place wheel chocks in front and back
of the trailer wheels. Chocks are not
included with your vehicle.
Launching or Retrieving a Boat or
Personal Watercraft (PWC)
Note: Disconnect the wiring to the trailer
before
backing the trailer into the water.
Note: Reconnect the wiring to the trailer
after
removing the trailer from the water.
When backing down a ramp during boat
launching or retrieval:
• Do not allow the static water level to
rise above the bottom edge of the rear
bumper.
• Do not allow waves to break higher
than
6 in (15 cm) above the bottom
edge of the rear bumper.
Exceeding these limits may allow water to
enter vehicle components:
• Causing internal damage to the
components.
• Affecting driveability, emissions, and
reliability.
Any time the rear axle submerges in water,
replace the rear axle lubricant. Water may
contaminate the rear axle lubricant, which
is not a normal maintenance inspection
item unless there is a possibility of a leak
or other axle repair is required.
TOWING THE VEHICLE ON
FOUR WHEELS
Emergency Towing WARNING:
If your vehicle has a
steering wheel lock make sure the
ignition is in the accessory or on position
when being towed.
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BREAKING-IN
Tires
New tires need to be run-in for
approximately 300 mi (500 km). During
this time, you may experience different
driving characteristics.
Brakes and Clutch
Avoid heavy use of the brakes and clutch
if possible for the first
100 mi (150 km) in
town and for the first 1,000 mi (1,500 km)
on freeways.
Engine
Avoid driving too fast during the first
1,000 mi (1,500 km)
. Vary your speed
frequently and change up through the
gears early. Do not labor the engine.
Ground Clearance
GT Performance Package Level 2 Only
Since ground clearance is reduced, use
caution when approaching curbs or curb
stops from the front and rear as vehicle
damage may occur. Additionally, when
crossing speed bumps or driveway curbs,
you should approach at a 45 degree angle
to reduce the risk of vehicle damage.
Your vehicle carries the same warranty as
other Ford models. Damage caused by
accidents, crashes or objects striking the
vehicle, including driving through a car
wash, or misuse of the vehicle, such as
driving over curbs, overloading or racing is
not covered under the new vehicle limited
warranty. See the Warranty Guide for
complete information. REDUCED ENGINE
PERFORMANCE WARNING: If you continue to drive
your vehicle when the engine is
overheating, the engine could stop
without warning. Failure to follow this
instruction could result in the loss of
control of your vehicle.
If the engine coolant temperature gauge
needle moves to the upper limit position,
the engine is overheating. See
Gauges
(page 81).
You must only drive your vehicle for a short
distance if the engine overheats. The
distance you can travel depends on
ambient temperature, vehicle load and
terrain. The engine continues to operate
with limited power for a short period of
time.
If the engine temperature continues to rise,
the fuel supply to the engine reduces. The
air conditioning switches off and the engine
cooling fan operates continually.
1. Gradually reduce your speed and stop your vehicle as soon as it is safe to do
so.
2. Immediately switch the engine off to prevent severe engine damage.
3. Wait for the engine to cool down.
4. Check the coolant level. See
Engine
Coolant Check (page 237).
5. Have your vehicle checked as soon as possible.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Driving Hints

Protected Component
Fuse Rating
Fuse or Relay
Number
Electronic power assist steering.
5A 3
64
Not used.
—
65
Blind spot information system.
5A 3
66 Rear view camera.
Rear defrost relay coils.
Vehicle dynamics module.
Not used.
—
67
Headlamp leveling switch.
10A 3
68
Auxiliary power point relay.
—
69
Mass air flow sensor.
5A 3
74
Rain sensor module.
5A 3
75
Rear window defroster relay.
—
76
Electronic cooling fan 2 relay.
—
77
Run/Start relay (except GT350).
—
78
Not used.
—
79
Windshield wiper relay.
—
80
Starter motor solenoid relay.
—
81
Powertrain control module relay.
—
82
Not used.
—
83
Heated exterior mirrors.
10A 3
87
Not used.
—
88
Electronic fan 1 relay.
—
89
Differential pump relay (GT350).
—
90
Electronic fan 3 relay.
—
91
Blower motor relay.
—
92
Fuel pump #2 relay (GT350).
—
93
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Fuses

ENGINE COOLANT CHECK
WARNING: Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick cloth to prevent the
possibility of scalding and slowly remove
the cap. Failure to follow this instruction
could result in personal injury. WARNING:
Do not put coolant in
the windshield washer reservoir. If
sprayed on the windshield, coolant could
make it difficult to see through the
windshield. 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 you loosen
the cap slightly. WARNING:
Do not add coolant
further than the MAX mark.
When the engine is cold, check the
concentration and level of the coolant at
the intervals listed in the scheduled
maintenance information. See Scheduled
Maintenance
(page 422).
Note: Make sure that the coolant 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. Maintain coolant concentration within
48% to 50%, which equates to a freeze
point between
-29°F (-34°C) and -35°F
(-37°C). Coolant concentration should be
checked using a refractometer. We do not
recommend the use of hydrometers or
coolant test strips for measuring coolant
concentration.
Adding Coolant WARNING:
Do not add engine
coolant when the engine is hot. Failure
to follow this instruction could result in
personal injury. WARNING:
Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick cloth to prevent the
possibility of scalding and slowly remove
the cap. Failure to follow this instruction
could result in personal injury. WARNING:
Do not put coolant in
the windshield washer reservoir. If
sprayed on the windshield, coolant could
make it difficult to see through the
windshield.
Note: Do not use stop leak pellets, cooling
system sealants, or non-specified additives
as they can cause damage to the engine
cooling or heating systems. Resulting
component damage may not be covered by
the vehicle Warranty.
Note: Automotive fluids are not
interchangeable.
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Maintenance

It is very important to use prediluted
coolant approved to the correct
specification in order to avoid plugging the
small passageways in the engine cooling
system. See Capacities and
Specifications (page 294). Do not mix
different colors or types of coolant in your
vehicle. Mixing of engine coolants or using
an incorrect coolant may harm the engine
or cooling system components and may
not be covered by the vehicle Warranty.
Note: If prediluted coolant is not available,
use the approved concentrated coolant
diluting it to 50/50 with distilled water. See
Capacities and Specifications (page 294).
Using water that has not been deionised
may contribute to deposit formation,
corrosion and plugging of the small cooling
system passageways.
Note: Coolants marketed for all makes and
models may not be approved to our
specifications and may cause damage to
the cooling system. Resulting component
damage may not be covered by the vehicle
Warranty.
If the coolant level is at or below the
minimum mark, add prediluted coolant
immediately.
To top up the coolant level do the
following:
1. Unscrew the cap slowly. Any pressure escapes as you unscrew the cap.
2. Add prediluted coolant approved to the correct specification. See
Capacities and Specifications (page
294
).
3. Add enough prediluted coolant to reach the correct level.
4. Replace the coolant reservoir cap, turn
it clockwise until you feel a strong
resistance. 5. Check the coolant level in the coolant
reservoir the next few times you drive
your vehicle. If necessary, add enough
prediluted engine coolant to bring the
coolant level to the correct level.
If you have to add more than
1.1 qt (1 L) of
engine coolant per month, have your
vehicle checked as soon as possible.
Operating an engine with a low level of
coolant can result in engine overheating
and possible engine damage.
In case of emergency, you can add a large
amount of water without engine coolant
in order to reach a vehicle service location.
In this instance, qualified personnel:
1. Must drain the cooling system.
2. Chemically clean the coolant system.
3. Refill with engine coolant as soon as possible.
Water alone, without engine coolant, can
cause engine damage from corrosion,
overheating or freezing.
Do not use the following as a coolant
substitute:
• Alcohol.
• Methanol.
• Brine.
• Any coolant mixed with alcohol or
methanol antifreeze.
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 coolant.
Recycled Coolant
We do not recommend the use of recycled
coolant as an approved recycling process
is not yet available.
Note: Dispose of used coolant in the
appropriate manner.
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