2012 FORD MUSTANG ECO mode

The stability control button can be
used to enable unique
AdvanceTracmodes.
Full features of the AdvanceTrac
system can be restored by pressing the stability control button again or
by turning off and restarting the engine.
When features of the AdvanceTrac
system are off, the stability control
off light will illuminate steadily.
Pressing the stability control button
again will turn off the stability
control off light.
In R (Reverse), ABS and the engine traction control and brake traction
control features will continue to function; however, ESC is disabled.
AdvanceTracFeatures
Button
functionsMode
icon
statusESC TCS
Default at
start-up—On during
bulb
checkEnabled Enabled
Button pressed
momentarilyTraction
control offOn Enabled Disabled
Button pressed
twice; brakes
appliedSport mode (if
equipped)On Enabled Enabled
Button pressed
and held more
than 5 seconds;
brakes applied;
no throttleAdvanceTrac
DisabledOn Disabled Disabled
Button pressed
again after
deactivationAdvanceTrac
fully enabledOff Enabled Enabled
OFF
Driving
214
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)

N (Neutral)
With the gearshift lever in N (Neutral), the vehicle can be started and is
free to roll. Hold the brake pedal down while in this position.
D (Drive) standard mode
The normal driving position for the best fuel economy. Transmission
operates in gears one through six.
D (Drive) with grade assist
Press the transmission control
switch on the side of the shift
handle to activate grade assist.
•This position allows for gears 1–5
and provides increased engine
braking.
•Grade assist lamp is illuminated.
•Use with driving conditions such
as hilly terrain, heavy loads,
trailer towing and when engine
braking is required.
•To return to standard mode, press the transmission control switch.
The grade assist lamp will not be illuminated.
•Standard mode is automatically returned each time the key is turned
off.
3 (Third)
This position allows for third gear only.
•Provides engine braking.
•To return to D (Drive), move the transmission shift lever into the D
(Drive) position.
•Selecting 3 (Third) at higher speeds will cause the transmission to
downshift to third gear at the appropriate vehicle speed.
Driving
219
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)

For the 3.7L V6 with 3.31 axle ratio, shift according to the following
chart:
Upshifts when accelerating (recommended for best fuel
economy)
Shift from:
1 - 2 13 mph (21 km/h)
2 - 3 26 mph (42 km/h)
3 - 4 37 mph (59 km/h)
4 - 5 43 mph (69 km/h)
5 - 6 59 mph (95 km/h)
For the 5.0L V8, shift according to the following chart:
Upshifts when accelerating (recommended for best fuel
economy)
Shift from (When not in skip shift mode):
1 - 2 17 mph (27 km/h)
2 - 3 25 mph (40 km/h)
3 - 4 40 mph (64 km/h)
4 - 5 45 mph (72 km/h)
5 - 6 50 mph (80 km/h)
Shift from (When skip shift mode active):
1-4 17 mph (27 km/h)
4-5 25 mph (40 km/h)
5-6 40 mph (64 km/h)
Skip Shift (if equipped) (V8 engines only)
This feature locks out 2 (Second) and 3 (Third) gears for improved fuel
economy. If the message center displays 1–> 4 SHIFT, shift the
transmission directly from 1 (First) to 4 (Fourth), otherwise you can
shift normally. Refer toMessage centerin theInstrument Cluster
chapter.
Reverse
1. Make sure that your vehicle is at a complete stop before you shift into
R (Reverse). Failure to do so may damage the transmission.
2. Press the clutch pedal to the floor to disengage clutch.
Driving
222
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)

FUEL PUMP SHUT-OFF
In the event of a moderate to severe collision, this vehicle is equipped
with a fuel pump shut-off feature that stops the flow of fuel to the
engine. Not every impact will cause a shut-off.
Should your vehicle shut off after a collision due to this feature, you may
restart your vehicle by doing the following:
1. Turn the ignition switch to the off position.
2. Turn the ignition switch to the on position.
In some instances the vehicle may not restart the first time you try to
restart and may take one additional attempt.
WARNING:Failure to inspect and if necessary repair fuel leaks
after a collision may increase the risk of fire and serious injury.
Ford Motor Company recommends that the fuel system be inspected
by an authorized dealer after any collision.
FUSES AND RELAYS
Fuses
If electrical components in the
vehicle are not working, a fuse may
have blown. Blown fuses are
identified by a broken wire within
the fuse. Check the appropriate
fuses before replacing any electrical
components.
Note:Always replace a fuse with one that has the specified amperage
rating. Using a fuse with a higher amperage rating can cause severe wire
damage and could start a fire.
15
Roadside Emergencies
231
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)

Habits
•Smooth, moderate operation can yield up to 10% savings in fuel.
•Steady speeds without stopping will usually give the best fuel
economy.
•Idling for long periods of time (greater than one minute) may waste
fuel.
•Anticipate stopping; slowing down may eliminate the need to stop.
•Sudden or hard accelerations may reduce fuel economy.
•Slow down gradually.
•Driving at reasonable speeds (traveling at 55 mph [88 km/h] uses 15%
less fuel than traveling at 65 mph [105 km/h]).
•Revving the engine before turning it off may reduce fuel economy.
•Using the air conditioner or defroster may reduce fuel economy.
•You may want to turn off the speed control in hilly terrain if
unnecessary shifting between the top gears occurs. Unnecessary
shifting of this type could result in reduced fuel economy.
•Warming up a vehicle on cold mornings is not required and may
reduce fuel economy.
•Resting your foot on the brake pedal while driving may reduce fuel
economy.
•Combine errands and minimize stop-and-go driving.
Maintenance
•Keep tires properly inflated and use only recommended size.
•Operating a vehicle with the wheels out of alignment will reduce fuel
economy.
•Use recommended engine oil. Refer toMaintenance product
specifications and capacitiesin this chapter.
•Perform all regularly scheduled maintenance items. Follow the
recommended maintenance schedule and owner maintenance checks
found inscheduled maintenance information.
Conditions
•Heavily loading a vehicle or towing a trailer may reduce fuel economy
at any speed.
•Carrying unnecessary weight may reduce fuel economy (approximately
1 mpg [0.4 km/L] is lost for every 400 lb [180 kg] of weight carried).
Maintenance and Specifications
299
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)

GENERAL MAINTENANCE INFORMATION
Why maintain your vehicle?
This guide describes the scheduled maintenance required for your
vehicle. Carefully following this schedule helps protect against major
repair expenses resulting from neglect or inadequate maintenance and
may also help to increase the value of your vehicle when you sell or
trade it.
It is your responsibility to see that all scheduled maintenance is
performed and that the materials used meet Ford engineering
specifications. Failure to perform scheduled maintenance specific in this
guide will invalidate warranty coverage on parts affected by the lack of
maintenance. Be sure receipts for completed maintenance are kept with
the vehicle and confirmation of the work performed is always recorded in
this guide.
Your dealer has factory-trained technicians who can perform the required
maintenance using genuine Ford parts. They are committed to meeting
your service needs and to assuring your continuing satisfaction.
Protecting your investment
Maintenance is an investment that will pay dividends in the form of
improved reliability, durability and resale value. To ensure the proper
performance of your vehicle and its emission control systems, it is
imperative that scheduled maintenance be completed at the designated
intervals.
For your convenience, your vehicle is equipped with a message center
which determines the proper oil change service interval. You should
perform the engine oil change as indicated by the message center. The
message center will display ENGINE OIL CHANGE SOON or OIL
CHANGE REQUIRED to indicate when an oil change is needed. The
engine oil change service needs to be completed within two weeks or
500 miles (800 km) after the OIL CHANGE REQUIRED message is
displayed. Your oil change service interval can be up to one year or
10,000 miles (16,000 km). Reset your Intelligent Oil Life Monitor™ after
each engine oil and filter change; refer to theInstrument Cluster
chapter.
If your message center is prematurely reset or becomes inoperative, you
should perform the oil change interval at six months or 5,000 miles
(8,000 km) from your last oil change.
Note:On ShelbyGT500models, your message center is NOT
equipped with this feature. Refer to yourShelby GT500supplement for
oil change service intervals.
Scheduled Maintenance
322
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)

NORMAL SCHEDULED MAINTENANCE AND LOG
For your convenience, your vehicle is equipped with a message center
which determines the proper oil change service interval. You should
perform the engine oil change as indicated by the message center. The
message center will display ENGINE OIL CHANGE SOON or OIL
CHANGE REQUIRED to indicate when an oil change is needed. The
engine oil change service needs to be completed within two weeks or
500 miles (800 km) after the OIL CHANGE REQUIRED message is
displayed. Your oil change service interval can be up to one year or
10,000 miles (16,000 km). Reset your Intelligent Oil Life Monitor™ after
each engine oil and filter change; refer to theInstrument Cluster
chapter.
If your message center is prematurely reset or becomes inoperative, you
should perform the oil change interval at six months or 5,000 miles
(8,000 km) from your last oil change.
Note:On ShelbyGT500models, your message center is NOT
equipped with this feature. Refer to yourShelby GT500supplement for
oil change service intervals.
Scheduled Maintenance
328
2012 05+ Mustang(197)
Owners Guide, 1st Printing
USA(fus)