2019 FORD MUSTANG check engine

Fuel Quality
....................................................136
Fuel Filler Funnel Location .......................
137
Running Out of Fuel ....................................
137
Refueling .........................................................
139
Fuel Consumption ........................................
141
Engine Emission Control
Emission Law ................................................
143
Catalytic Converter .....................................
144
Transmission
Manual Transmission .................................
147
Automatic Transmission ..........................
148
Rear Axle
Limited Slip Differential ............................
153
Brakes
General Information ...................................
154
Hints on Driving With Anti-Lock Brakes ........................................................................\
.
154
Parking Brake ................................................
155
Hill Start Assist .............................................
155
Traction Control
Principle of Operation ................................
157
Using Traction Control ...............................
157
Stability Control
Principle of Operation ................................
158
Using Stability Control ..............................
159
Parking Aids
Principle of Operation .................................
161
Rear Parking Aid ............................................
161
Rear View Camera .......................................
162
Cruise Control
Principle of Operation ...............................
166
Using Cruise Control ..................................
166Using Adaptive Cruise Control
................
167
Driving Aids
Driver Alert ......................................................
173
Lane Keeping System .................................
174
Blind Spot Information System ..............
178
Cross Traffic Alert .......................................
180
Steering ...........................................................
183
Pre-Collision Assist .....................................
183
Drive Control ..................................................
187
Load Carrying
Load Limit .......................................................
191
Towing
Towing a Trailer ............................................
196
Recommended Towing Weights ............
197
Essential Towing Checks ..........................
198
Towing the Vehicle on Four Wheels ......
199
Convertible Top
Opening the Convertible Top ..................
201
Closing the Convertible Top ...................
202
Driving Hints
Breaking-In ...................................................
204
Reduced Engine Performance ..............
204
Economical Driving ....................................
205
Cold Weather Precautions ......................
205
Driving Through Water .............................
205
Floor Mats .....................................................
206
Roadside Emergencies
Roadside Assistance .................................
207
Hazard Flashers ..........................................
208
Fuel Shutoff .................................................
208
Jump Starting the Vehicle .......................
209
Post-Crash Alert System ...........................
211
Transporting the Vehicle ...........................
212
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Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Table of Contents

Customer Assistance
Getting the Services You Need
...............213
In California (U.S. Only) .............................
214
The Better Business Bureau (BBB) Auto Line Program (U.S. Only) ......................
215
Utilizing the Mediation/Arbitration Program (Canada Only) .......................
216
Getting Assistance Outside the U.S. and Canada ........................................................
216
Ordering Additional Owner's Literature ........................................................................\
.
218
Reporting Safety Defects (U.S. Only) ........................................................................\
.
218
Reporting Safety Defects (Canada Only) ........................................................................\
.
218
Fuses
Fuse Specification Chart .........................
220
Changing a Fuse ..........................................
228
Maintenance
General Information ..................................
230
Opening and Closing the Hood .............
230
Under Hood Overview - 2.3L EcoBoost™ ........................................................................\
232
Under Hood Overview - 5.0L ..................
233
Under Hood Overview - 5.0L, Bullitt ....
234
Engine Oil Dipstick ......................................
235
Engine Oil Check .........................................
235
Oil Change Indicator Reset .....................
236
Engine Coolant Check ...............................
237
Manual Transmission Fluid Check ........
241
Automatic Transmission Fluid Check ........................................................................\
.
241
Brake Fluid Check ........................................
241
Clutch Fluid Check - Manual Transmission ............................................
242
Power Steering Fluid Check ....................
242
Washer Fluid Check ...................................
242
Fuel Filter .......................................................
243
Changing the 12V Battery ........................
243Checking the Wiper Blades
.....................
245
Changing the Wiper Blades ....................
245
Adjusting the Headlamps ........................
245
Changing a Bulb ..........................................
247
Changing the Engine Air Filter - 2.3L EcoBoost™/5.0L ....................................
247
Changing the Engine Air Filter - 5.0L, Bullitt ..........................................................
248
Track Use
Track Use .......................................................
250
Vehicle Care
General Information ..................................
253
Cleaning Products ......................................
253
Cleaning the Exterior .................................
253
Waxing ............................................................
255
Cleaning the Engine ...................................
255
Cleaning the Windows and Wiper Blades ........................................................................\
255
Cleaning the Interior ..................................
256
Cleaning the Instrument Panel and Instrument Cluster Lens ......................
256
Cleaning Leather Seats .............................
257
Repairing Minor Paint Damage .............
258
Cleaning the Wheels .................................
258
Vehicle Storage ...........................................
258
Cleaning the Convertible Top ................
260
Body Styling Kits ........................................
260
Wheels and Tires
General Information ...................................
261
Tire Sealant and Inflator Kit ....................
261
Tire Care .........................................................
267
Using Summer Tires ..................................
282
Using Winter Tires ......................................
282
Using Snow Chains ....................................
282
Tire Pressure Monitoring System .........
284
Changing a Road Wheel ..........................
287
Driving at High Speed ................................
292
4
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Table of Contents

Brake system
Cabin air filter
Check fuel cap
Child safety door lock or unlock
Child seat lower anchor
Child seat tether anchor
Cruise control
Do not open when hot
Engine air filter
Engine coolant
Engine coolant temperature
Engine oil
Explosive gas
Fan warning
Fasten seatbelt Flammable
Front airbag
Front fog lamps
Fuel pump reset
Fuse compartment
Hazard flashers
Heated rear window
Windshield defrosting system
Interior luggage compartment
release
Jack
Keep out of reach of children
Lighting control
Low tire pressure warning
Maintain correct fluid level
Note operating instructions
8
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing IntroductionE270480 E71340 E71880 E231160 E67017 E161353

WARNING LAMPS AND
INDICATORS
The following warning lamps and
indicators alert you to a vehicle condition
that may become serious. Some lamps
illuminate when you start your vehicle to
make sure they work. If any lamps remain
on after starting your vehicle, refer to the
respective system warning lamp for further
information.
Note:
Some warning indicators appear in
the information display and operate the
same as a warning lamp but do not
illuminate when you start your vehicle.
Adaptive Cruise Control Indicator
(If Equipped) It illuminates when you switch
the system on.
It illuminates white when the
system is in standby mode. It illuminates
green when you set the adaptive cruise
speed.
See Using Adaptive Cruise Control
(page 167).
Airbag Warning Lamp If it does not illuminate when you
switch the ignition on, continues
to flash or remains on when the
engine is running, this indicates a
malfunction. Have your vehicle checked
as soon as possible.
Anti-Lock Brake System Warning
Lamp If it illuminates when you are
driving, this indicates a
malfunction. Your vehicle
continues to have normal braking without
the anti-lock brake system function. Have
your vehicle checked as soon as possible. Automatic Headlamp High Beam
Indicator
(If Equipped) It illuminates when the system
automatically turns the
headlamp high beam on.
See
Automatic High Beam Control
(page 74).
Battery If it illuminates while driving, it
indicates a malfunction. Switch
off all unnecessary electrical
equipment and have the system checked
by your authorized dealer immediately.
Blind Spot Information System
Indicator
(If Equipped) It illuminates when you switch
the system off.
See
Blind Spot Information
System (page 178).
Brake System Warning Lamp WARNING:
Driving your vehicle
with the warning lamp on is dangerous.
A significant decrease in braking
performance may occur. It may take you
longer to stop your vehicle. Have your
vehicle checked as soon as possible.
Driving extended distances with the
parking brake engaged can cause brake
failure and the risk of personal injury.
Note: Indicators vary depending on region.
This lamp is a dual function lamp and will
illuminate when:
84
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Instrument ClusterE144524 E67017 E151262

•
You apply the parking brake with the
ignition on.
• Your vehicle has a brake fault or low
brake fluid level, regardless of parking
brake position. If the lamp illuminates when you
are moving, you may have the
parking brake applied. Make sure
the parking brake is off. Have
your vehicle checked as soon as
possible if the lamp continues to
illuminate.
Cruise Control Indicator (If Equipped) It illuminates when you switch
the system on.
See
Using Cruise Control
(page 166).
Direction Indicator Illuminates when the left or right
direction indicator or the hazard
warning flasher is turned on.
Flashes during operation. An increase in
the rate of flashing warns of a failed
indicator bulb.
Door Ajar Warning Lamp Displays when the ignition is on
and any door is not completely
closed.
Engine Coolant Temperature
Warning Lamp If it illuminates when your vehicle
is moving, this indicates that the
engine is overheating. Stop your
vehicle as soon as it is safe to do so and
switch the engine off. Have your vehicle
checked as soon as possible. Fasten Seatbelt Warning Lamp It illuminates and a chime
sounds until you fasten the
seatbelts.
Front Fog Lamp Indicator (If Equipped) It illuminates when you switch
the front fog lamps on.
Heads Up Display
(If Equipped) A red beam of lights will
illuminate on the windshield in
certain instances when using
adaptive cruise control or the collision
warning system. It will also illuminate
momentarily when you start your vehicle
to make sure the display works.
Headlamp High Beam Indicator It will illuminate when you switch
the high beam headlamps on. It
will flash when you use the
headlamp flasher.
Hood Ajar It illuminates when the ignition
is on and the hood is not
completely closed.
Lane Keeping System Lamp
(If
Equipped) It illuminates when the system
activates.
Launch Control Illuminates when this feature is
ready, including both slip control
and engine RPM hold.
85
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Instrument ClusterE270480 E71340 E71880 E156133 E159324 E144813 E234583

Illuminates when only engine
RPM hold is active. See Track
Use (page 250).
Low Beam Malfunction Lights when there is a
malfunction with the low beam
headlamp bulb.
Low Fuel Level Warning Lamp If it illuminates when you are
driving, refuel as soon as
possible.
Low Tire Pressure Warning Lamp Illuminates when your tire
pressure is low. If the lamp
remains on with the engine
running or when driving, check your tire
pressure as soon as possible.
It also illuminates momentarily when you
switch the ignition on to confirm the lamp
is functional. If it does not illuminate when
you switch the ignition on, or begins to
flash at any time, have the system checked
by your authorized dealer.
Low Washer Fluid Level Warning
Lamp It illuminates when the washer
fluid is low.
Oil Pressure Warning Lamp It illuminates when you switch
the ignition on. If it illuminates when the engine is running
this indicates a malfunction. Stop your
vehicle as soon as it is safe to do so and
switch the engine off. Check the engine oil
level. If the oil level is sufficient, this
indicates a system malfunction. Have your
vehicle checked as soon as possible.
See
Engine Oil Check (page 235).
Parking Lamps It will illuminate when you switch
the parking lamps on.
Service Engine Soon If it illuminates when the engine
is running this indicates a
malfunction. The On Board
Diagnostics system has detected a
malfunction of the vehicle emission control
system.
If it flashes, engine misfire may be
occurring. Increased exhaust gas
temperatures could damage the catalytic
converter or other vehicle components.
Drive in a moderate fashion (avoid heavy
acceleration and deceleration) and have
your vehicle immediately serviced.
It illuminates when you switch the ignition
on prior to engine start to check the bulb
and to indicate whether your vehicle is
ready for Inspection and Maintenance
(I/M) testing.
Normally, it illuminates until the engine is
cranked and automatically turns off if no
malfunctions are present. However, if after
15 seconds it flashes eight times, this
indicates that your vehicle is not ready for
Inspection and Maintenance (I/M) testing.
See
Catalytic Converter (page 144).
86
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Instrument ClusterE255688 E181350 E132353

Stability Control and Traction
Control Indicator
Flashes during operation.
If it does not illuminate when you
switch the ignition on, or remains
on when the engine is running, this
indicates a malfunction. Have your vehicle
checked as soon as possible.
Note: The system automatically turns off
if there is a malfunction.
See Using Stability Control (page 159).
See Using Traction Control (page 157).
Stability Control and Traction
Control Off Warning Lamp It illuminates when you switch
the system off.
Trunk Ajar It illuminates when the ignition
is on and the trunk is not
completely closed.
AUDIBLE WARNINGS AND
INDICATORS
Keyless Warning Alert
The horn will sound twice when you exit
your vehicle with the intelligent access key
and your vehicle is in ON, indicating your
vehicle is still on. The horn will also sound
twice when you exit your vehicle and
attempt to lock the doors manually while
the intelligent access key is still in the
vehicle. The doors will not lock if the
intelligent access key remains in the
vehicle. Headlamps On Warning Chime
Sounds when you remove the key from the
vehicle and you have left the headlamps
or parking lamps on.
Parking Brake On Warning Chime
(If Equipped)
Sounds when you have left the parking
brake on and drive your vehicle. If the
warning chime remains on after you have
released the parking brake, have the
system checked by your authorized dealer
immediately.
Transmission Not in Park
Sounds when the gear selector is in any
position other than park (P), and the
vehicle ignition is turned to OFF or the
accessory position. If the door is ajar, the
chime is continuous. Once the door is
closed, the chime continues for a period of
time.
Turn Signal Left On
Sounds when the turn signal is not
disengaged after 2.0 mi (3.2 km) of driving.
87
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Instrument ClusterE138639 E130458 E159323

Fuel
Action
Message
An early reminder of a low fuel condition.
Fuel Level Low
The fuel fill inlet may not be properly closed.
Check Fuel Fill Inlet
Hill Start Assist Action
Message
Hill start assist is not available. Contact an authorized dealer.See Hill Start Assist (page 155).
Hill Start Assist Not
Available
Keys and Intelligent Access Action
Message
A reminder to press the brake while starting the vehicle.
To START Press Brake
A reminder to depress the clutch pedal on manual transmis-sion while starting the vehicle.
To START Press Clutch
The system does not detect a key in your vehicle. See KeylessStarting
(page 130).
No Key Detected
You pressed the start/stop button to switch off the engine
and your vehicle does not detect your intelligent access key inside your vehicle.
Restart Now or Key is
Needed
Your vehicle is in the accessory ignition state.
Accessory Power is
Active
There is a problem with your vehicle ’s starting system. See
an authorized dealer for service.
Starting System Fault
You have successfully programmed an intelligent access keyto the system.
Key Program Successful
You have failed to program an intelligent access key to thesystem.
Key Program Failure
You have programmed the maximum number of keys to the system.
Max Number of Keys
Learned
102
Mustang (CZG) Canada/United States of America, Vehicles Built From: 14-05-2018, enUSA, Edition date: 201804, Second-Printing Information Displays