2008 FORD SUPER DUTY clock

Replacing park/turn/sidemarker bulbs (sealed beam)
1. Make sure that the headlamp control is in the OFF position and open
the hood.
2. Remove the four bolts from the
top, side and bottom of the park
lamp/bezel assembly.
3. Pull the assembly straight out
disengaging snap clip.
4. Remove the bulb assembly,
sidemarker or park/turn by turning
it counterclockwise. (Top view of
assembly shown.)
5. Pull the old bulb out from the
socket.
Install the new bulb(s) in reverse order.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
90

Replacing brake/tail/turn/back-up lamp bulbs - Pick-ups only
1. Make sure the headlamp switch is
in the OFF position and then open
the tailgate to expose the lamp
assemblies.
2. Remove the two bolts from the
tail lamp assembly and carefully pull
the lamp assembly from the tailgate
pillar by releasing the two retaining
tabs.
3. Rotate the bulb socket counterclockwise and remove from lamp
assembly.
4. Pull the bulb straight out of the socket.
Install the new bulb(s) in reverse order.
Replacing brake/tail/turn/back-up lamp bulbs - Chassis cabs only
1. Make sure the headlamp switch is
in the OFF position.
2. Remove the four screws and the
lamp lens from lamp assembly.
3. Carefully pull the bulb straight
out of the socket and push in the
new bulb.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
91

Replacing cargo lamp and high-mount brakelamp bulbs
1. Make sure the headlamp switch is
in the OFF position.
2. Remove the two screws and lamp
assembly from vehicle as wiring
permits.
3. Remove the bulb socket by
rotating counterclockwise.
4. Pull the bulb straight out of the
socket.
Front clearance and identification lamp bulbs
1. Make sure the headlamp switch is
in the OFF position.
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 foglamp bulbs (if equipped)
1. Make sure the headlamp switch is
in the OFF position.
2. Remove the bulb socket from the
foglamp by turning
counterclockwise.
3. Disconnect the electrical
connector from the foglamp bulb.
Install the new bulb(s) in reverse order.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
92

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.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
93

The mirror will automatically return to the normal state whenever the
vehicle is placed in R (Reverse) (when the mirror is on) to ensure a
bright clear view when backing up.
Do not block the sensors on the front and back of the inside rear
view mirror since this may impair proper mirror performance.
Do not clean the housing or glass of any mirror with harsh
abrasives, fuel or other petroleum-based cleaning products.
POWER SIDE VIEW MIRRORS (IF EQUIPPED)
To adjust your mirrors:
1. Rotate the control clockwise to
adjust the right mirror and rotate
the control counterclockwise to
adjust the left mirror.
2. Move the control in the direction
you wish to tilt the mirror.
3. Return to the center position to lock mirrors in place.
The spotter mirror below the main glass (if equipped) must be adjusted
manually.
Heated outside mirrors
(if equipped)
The main mirror glass is heated to
remove ice, mist and fog. To activate
the heated mirrors, press the heated
mirror control (
) located on the
climate control panel. The heated
mirrors will operate for 10 minutes,
then automatically shut off (or shut
off when the engine is turned off).
In cases of extreme ice and cold, the
heater control may need pressing
again after 10 minutes in order to
fully clear the glass. The spotter mirror below the main glass is not heated.
Do not remove ice from the mirrors with a scraper or attempt to
re-adjust the mirror glass if it is frozen in place. These actions
could cause damage to the glass and mirrors.
Fold-away mirrors
Fold the side mirrors in carefully before driving through a narrow space,
like an automatic car wash.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
100

3. Rotate the panels toward the
tailgate.
Repeat Steps 1–3 for the other side of the bed extender.
4. Connect the two panels, then rotate both knobs a quarter-turn
clockwise to secure the panels.
5. Ensure the latch rod is inserted
into the tailgate hole and the locking
pins on both sides are engaged into
their holes in the pick-up box.
6. Reverse steps for storage of the
bed extender.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
134

Press front to raise or lower the
front portion of the seat cushion.
Press rear to raise or lower the rear
portion of the seat cushion.
Press the control to move the seat
forward, backward, up or down.
Using the manual lumbar support
The lumbar support control is
located on the outboard side of the
seat
Turn the lumbar support clockwise
for more support.
Turn the lumbar support
counterclockwise for less support.
Heated seats (if equipped)
The heated seat control is located on the climate control panel.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Seating and Safety Restraints
155

If your vehicle sustains damage to the rear bumper/fascia, leaving
it misaligned or bent, the sensing zone may be altered causing
inaccurate measurement of obstacles or false alarms.
FOUR-WHEEL DRIVE (4WD) OPERATION (IF EQUIPPED)
For important information regarding safe operation of this type
of vehicle, seePreparing to drive your vehiclein this chapter.
When four–wheel drive (4WD) is engaged, power is supplied to all four
wheels through a transfer case. 4WD can be selected when additional
traction is desired.
4WD operation is not recommended on dry pavement. Doing so could
result in difficult disengagement of the transfer case, increased tire wear
and decreased fuel economy.
Manual Shift On Stop (MSOS) 4x4 system (if equipped)
The 4WD system is engaged or
disengaged by rotating the control
for both front wheel hub locks from
the FREE or LOCK position, then
manually engaging or disengaging
the transfer case with the
floor-mounted shifter. For increased
fuel economy in 2WD, rotate both
hub locks to the FREE position.
•For proper operation, make
sure that each hub is fully
engaged and that both hub locks are set to the same position
(both set to LOCK or both set to FREE). To engage LOCK,
turn the hub locks completely clockwise; to disengage the hubs
(FREE), turn the hub locks completely counterclockwise.
•Some vehicles may be equipped with wheel ornaments that cover the
4x4 manual hub lock. These ornaments must be removed to access
the manual hub locks.
Electronic Shift On the Fly (ESOF) 4x4 system (if equipped)
If equipped with the electronic shift 4WD System, and the
instrument panel control is moved to 4X4 LOW while the vehicle
is moving above 5 mph (8 km/h), the system will not engage and
no damage will occur to the 4WD system. Before 4X4 LOW can be
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
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