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)
Page 451 of 454

Inspection/maintenance (I/M)
testing ........................................401
Instrument panel
cleaning ...........................369–370
cluster ........................................14
lighting up panel and
interior .......................................91
J
Jack ............................................334
positioning ...............................334
storage .....................................334
Jump-starting your vehicle ......351
K
Keyless entry system
autolock ...................................141
keypad .....................................152
locking and unlocking doors ..153
programming entry code .......152
Keys ...................................133, 154
positions of the ignition .........269
L
Lamps
autolamp system .......................89
daytime running light ...............91
fog lamps ...................................90
headlamps .................................89
headlamps, flash to pass ..........90
instrument panel, dimming .....91
interior lamps ...........................93
replacing bulbs .............95, 97–99
LATCH anchors .........................210
Lights, warning and indicator ....14
anti-lock brakes (ABS) ..........276
Loading instructions .................255Load limits .................................248
Locks
autolock ...................................141
childproof ................................145
doors ........................................141
Lug nuts ....................................350
Lumbar support, seats .............164
M
Manual transmission
fluid capacities ........................414
Message center ...............22–23, 40
english/metric button ...............28
system check button
................28
warning messages
...............29, 48
Mirrors
...............................108–109
automatic dimming rearview
mirror
......................................108
fold away
.................109, 111–112
heated
........................................83
programmable memory
..........147
side view mirrors (power)
.....109
signal
.......................................112
Moon roof
..................................118
Motorcraftparts
......................413
MyKey
........................................133
N
Navigation system
.......................79
O
Octane rating
....................394–395
Oil (see Engine oil)
..................379
Index
451
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
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