Page 20 of 454

•On (amber light):Illuminates when the speed control system is
turned on. Turns off when the speed control system is engaged or
turned off.
•Engaged (green light):Illuminates when the speed control system is
engaged. Turns off when the speed control system is disengaged.
Turn signal:Illuminates when the
left or right turn signal or the
hazard lights are turned on. If the
indicators stay on or flash faster, check for a burned out bulb.
High beams:Illuminates when the
high-beam headlamps are turned on.
Diesel warning lights:If your vehicle is equipped with a diesel engine,
it has some unique warning lights; refer toInstrument Clusterin your
diesel supplement for detailed information on their function.
•Glow plug pre-heat
•Waterinfuel
•Diesel exhaust fluid
Key-in-ignition warning chime:Sounds when the key is left in the
ignition in the off or accessory position and the driver’s door is opened.
Headlamps on warning chime:Sounds when the headlamps or parking
lamps are on, the ignition is off (the key is not in the ignition) and the
driver’s door is opened.
Instrument Cluster
20
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 90 of 454
4. Turn the headlamp control to the autolamp position. The headlamps
will turn on.
5. Wait the desired amount of time for the exit delay you want (up to
three minutes), then turn the headlamps off.
Fog lamp control (if equipped)
The headlamp control also operates
the fog lamps. The fog lamps can be
turned on only when the headlamp
controlisinthe
,or
position and the high beams are not
turned on.
Pull headlamp control towards you
to turn fog lamps on. The fog lamp
indicator light
will illuminate.
High beams
Pull the lever fully past the detent
to activate. Pull the lever fully again
to deactivate.
Flash-to-pass
Pull toward you slightly to activate
and release to deactivate.
Lights
90
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 328 of 454

Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
11 10A Instrument cluster
12 15A Interior lighting, Lighted running
board lamps
13 15A Right turn signals and brake
lamps, Right trailer tow (TT) stop
turn relay
14 15A Left turn signals and brake lamps,
Left TT stop turn relay
15 15A High-mounted stop lamps, Backup
lamps, TT backup relay
16 10A Right low beam headlamp
17 10A Left low beam headlamp
18 10A Keypad illumination, Passive
anti-theft indicator (PATS),
Powertrain control module
(PCM), Brake shift interlock
19 20A Subwoofer
20 20A Power door locks
21 10A Brake on/off switch
22 20A Horn
23 15A Not used (spare)
24 15A Steering wheel control module,
Diagnostic connector, Power fold
mirror relay, Remote keyless entry
25 15A Not used (spare)
26 5A Steering wheel control module
27 20A Amplifier
28 15A Ignition switch
29 20A SYNC, GPS module, Radio
faceplate
30 15A Parking lamp relay, TT parking
lamp relay
Roadside Emergencies
328
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 329 of 454

Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
31 5A Trailer brake controller (brake
signal), Customer access
32 15A Moon roof, Auto dimming mirrors,
Power invertor, Driver and
passenger door lock switch
illumination
33 10A Restraint control module
34 10A Not used (spare)
35 5A Select shift switch, Reverse park
aid module, Trailer brake control
module
36 10A Fuel tank select switch
37 10A PTC heater
38 10A Radio faceplate
39 15A High beam headlamps
40 10A Parking lamps (in mirrors), Roof
marker lamps
41 7.5A Passenger airbag deactivation
indicator
42 5A Not used (spare)
43 10A Wiper relay
44 10A Upfitter switches
45 5A Not used (spare)
46 10A Climate control
47 15A Fog lamps, Fog lamp indicator (in
switch)
48 30A Circuit
BreakerPower windows switch, Power
rear sliding window switch
49 Relay Delayed accessory
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Roadside Emergencies
329
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 450 of 454

checking and adding ..............379
dipstick ....................................379
filter, specifications ........380, 413
recommendations ...................380
refill capacities ........................414
Event data recording ....................8
Exhaust fumes ..........................273
F
Fail safe cooling ........................387
Fleet MyKey programming ......133
Flexible Fuel Vehicle (FFV) ....390
Floor mats .........................126–127
Fluid capacities .........................414
Fog lamps ....................................90
Four-Wheel Drive vehicles .......304
driving off road .......................311
electronic shift ................305, 309
indicator light .........................306
lever operated shift ................306
manual locking hubs ..............305
preparing to drive your
vehicle .....................................289
Fuel ............................................390
calculating fuel
economy ............................25, 396
cap ...........................................393
capacity ...................................414
choosing the right fuel ...........394
detergent in fuel .....................396
filling your vehicle with
fuel ...........................390, 393, 397
filter, specifications ........390, 413
fuel pump shut-off ..................324
improving fuel economy ........396
octane rating ...........394–395, 418
quality ......................................395
running out of fuel .................396safety information relating to
automotive fuels .....................390
Fuel - flex fuel vehicle
(FFV) .........................390, 394–395
Fuses ..................................324–325
G
Garage door opener ..................120
Gas cap (see Fuel cap) ............393
Gas mileage
(see Fuel economy) .................396
Gauges .........................................21
H
Hazard flashers .........................323
Headlamps ...................................89
aiming ..................................91–92
autolamp system .......................89
daytime running lights .............91
flash to pass ..............................90
high beam .................................90
replacing bulbs .........................95
turning on and off ....................89
Heating
heating and air conditioning
system .................................80, 83
Hill descent mode .....................285
Hill start assist ..........................299
Hood ..........................................375
I
Ignition ...............................269, 418
Illuminated visor mirror ...........101
Infant seats
(see Safety seats) .....................203
Index
450
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)