Page 95 of 454

Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Function Number
of bulbsTrade number
Headlamps 2 H13/9008
Park/Turn lamp 2 3157NA
Sidemarker 2 W5W
Tail/stop/turn/sidemarker (pick-up only) 2 3157
Tail/stop/turn/sidemarker (chassis cabs
only; if equipped)2 3157
Back-up (pick-ups only) 2 921
Back-up (chassis cabs only) 2 3157
High-mount brake lamp 1 922
Fog lamp 2 9145
License plate lamp 2 194
Cargo lamp 2 906
Map lamp 2 12V6W
Dome/reading lamps 3 578
Interior visor lamp (if equipped) 4 194
Mirror turn signal 2 2825
Mirror clearance lamp 2 2825
*Front clearance lamps (2) and front
identification lamps (3)5 194
*Rear fender clearance 4 LED**
*Rear identification 3 193**
To replace all instrument panel lights - see your authorized dealer
* Dual rear wheels, or if equipped.
** See your authorized dealer to replace the lamp assembly.
Replacing headlamps, park lamps, turn lamps
1. Make sure that the exterior lamps are off, then open the hood.
Lights
95
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 99 of 454

Replacing front clearance and identification lamp bulbs
(if equipped)
1. Make sure the headlamps are off.
2. Remove the screw and lens from
the lamp assembly.
3. Pull the bulb straight out of the
socket.
Install the bulb(s) in reverse order.
Replacing fog lamp bulbs (if equipped)
1. Make sure the headlamps are off.
2. Remove the bulb socket from the
fog lamp by turning it
counterclockwise.
3. Disconnect the electrical
connector from the fog lamp bulb.
Install the new bulb(s) in reverse order.
Replacing license plate lamp bulbs
The license plate bulbs are located
behind the rear bumper. To change
the license plate lamp bulbs:
1. Reach behind the rear bumper to
locate the bulb.
2. Twist the bulb socket
counterclockwise and carefully pull
to remove it from the lamp
assembly.
3. Pull out the old bulb from the
socket and push in the new bulb.
4. Install the bulb socket in lamp assembly by turning it clockwise.
Lights
99
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)