Page 2 of 400
Locks and Security 146
Keys 146
Locks 146
Anti-theft system 159
Seating and Safety Restraints 162
Seating 162
Safety restraints 170
Airbags 184
Child restraints 192
Tires, Wheels and Loading 204
Tire information 206
Tire inflation 209
Tire Pressure Monitoring System (TPMS) 224
Vehicle loading 236
Trailer towing 242
Trailer brake controller-integrated 246
Recreational towing 253
Driving 255
Starting 255
Brakes 260
Traction Control™ 262
Transmission operation 265
Snowplowing 291
Roadside Emergencies 294
Getting roadside assistance 294
Hazard flasher switch 296
Fuel pump shut-off switch 296
Fuses and relays 297
Changing tires 307
Lug nut torque 321
Jump starting 322
Wrecker towing 327
Table of Contents
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2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
ProCarManuals.com
Page 10 of 400
These are some of the symbols you may see on your vehicle.
Vehicle Symbol Glossary
Safety Alert
See Owner’s Guide
Fasten Safety BeltAirbag - Front
Airbag - SideChild Seat Lower
Anchor
Child Seat Tether
AnchorBrake System
Anti-Lock Brake SystemParking Brake System
Brake Fluid -
Non-Petroleum BasedParking Aid System
Stability Control SystemSpeed Control
Master Lighting SwitchHazard Warning Flasher
Fog Lamps-FrontFuse Compartment
Fuel Pump ResetWindshield Wash/Wipe
Windshield
Defrost/DemistRear Window
Defrost/Demist
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Introduction
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Page 11 of 400
Vehicle Symbol Glossary
Power Windows
Front/Rear
Power Window Lockout
Child Safety Door
Lock/UnlockInterior Luggage
Compartment Release
Panic AlarmEngine Oil
Engine CoolantEngine Coolant
Temperature
Do Not Open When HotBattery
Avoid Smoking, Flames,
or SparksBattery Acid
Explosive GasFan Warning
Power Steering FluidMaintain Correct Fluid
LevelMAX
MIN
Service Engine SoonEngine Air Filter
Passenger Compartment
Air FilterJack
Check Fuel CapLow Tire Pressure
Warning
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Introduction
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Page 93 of 400
5. Remove the bulb assembly by
turning it counterclockwise and
pulling it straight out.
Handle a halogen headlamp bulb carefully and keep out of
children’s reach. Grasp the bulb only by its plastic base and do
not touch the glass. The oil from your hand could cause the bulb to
break the next time the headlamps are operated.
Install the new bulb(s) in reverse order.
Replacing park/turn and sidemarker lamp bulbs (aerodynamic)
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 front of the
headlamp assembly.
3. Pull the assembly straight out.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
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Page 103 of 400

When closing the power windows, you should verify they are free
of obstructions and ensure that children and/or pets are not in
the proximity of the window openings.
If your vehicle is equipped with a
power rear slide window, the switch
is located on the instrument panel
behind the right-hand side of the
steering wheel.
•Press the right side of the control
to open the window.
•Pull the right side of the control
to close the window.
Window lock (if equipped)
The window lock feature allows only
the driver to operate the power
windows.
To lock out all the window controls
except for the driver’s, press the
right side of the control. Press the
left side to restore the window
controls.
Accessory delay (if equipped)
With accessory delay, the window switches may be used for up to ten
minutes after the ignition switch is turned to the OFF position or until
any front door is opened.
INTERIOR MIRRORS
The interior rear view mirror has two pivot points on the support arm
which lets you adjust the mirror UP or DOWN and from SIDE to SIDE.
Do not adjust the mirror while the vehicle is in motion.
2008 F-250/350/450/550(f23)
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USA(fus)
Driver Controls
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Page 116 of 400

To close the moon roof:Press and hold thecontrol until the glass
panel stops at the “comfort” position. Press and hold the control again
until the glass stops moving (the moon roof does not go to the comfort
position). When fully closed, the rear portion of the glass panel will
appear higher than the front portion.
To vent the moon roof:Press and hold the
control.The moon
roof must be in the closed position in order to move it into the
vent position.To close, press and hold the AUTO control until the glass
panel stops moving.
The moon roof has a built-in sliding shade that can be manually opened
or closed when the glass panel is shut. To close the shade, pull it toward
the front of the vehicle.
Do not let children play with the moon roof or leave children
unattended in the vehicle. They may seriously hurt themselves.
When closing the moon roof, you should verify that it is free of
obstructions and ensure that children and/or pets are not in the
proximity of the moon roof opening.
HOMELINKWIRELESS CONTROL SYSTEM (IF EQUIPPED)
The HomeLinkWireless Control
System, located on the driver’s visor,
provides a convenient way to
replace up to three hand-held
transmitters with a single built-in
device. This feature will learn the
radio frequency codes of most
transmitters to operate garage
doors, entry gate operators, security systems, entry door locks, and
home or office lighting.
When programming your HomeLinkWireless Control System to
a garage door or gate, be sure that people and objects are out of
the way to prevent potential injury or damage.
Do not use the HomeLinkWireless Control System with any garage
door opener that lacks safety stop and reverse features as required by
U.S. federal safety standards (this includes any garage door opener
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
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Page 150 of 400

Keyless entry key pad autounlock enable/disable procedure
1. Turn the ignition to the 1
(OFF/LOCK) position.
2. Close all the doors.
3. Enter factory–set 5–digit entry
code.
4. Press and hold the 3•4. While holding the 3•4, press and release
the 7•8. While still holding the 3•4, press and release the 7•8a
second time.
5. Release the 3•4.
The user should receive ahorn chirpto indicate the system has been
disabled or a chirp followed by a honk to indicate the system has been
enabled.
CHILDPROOF DOOR LOCKS (IF EQUIPPED)
•When these locks are set, the
rear doors cannot be opened from
the inside.
•The rear doors can be opened
from the outside when the doors
are unlocked.
The childproof locks are located on
rear edge of each rear door and
must be set separately for each
door. Setting the lock for one door
will not automatically set the lock
for both doors.
•Move lock control up to engage
the childproof lock.
•Move lock control down to
disengage the childproof lock.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Locks and Security
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Page 170 of 400
To gain access to the cupholders
and tray,pull down on the armrest.
To gain access to the 60/40 load
floor,store the cushion in the
upright locked position. Pull up on
the straps located at the sides of the
load floor, and rotate forward until
resting on the carpet.
SAFETY RESTRAINTS
Safety restraints precautions
Always drive and ride with your seatback upright and the lap
belt snug and low across the hips.
To reduce the risk of injury, make sure children sit in the back
seat where they can be properly restrained.
Never let a passenger hold a child on his or her lap while the
vehicle is moving. The passenger cannot protect the child from
injury in a collision.
All occupants of the vehicle, including the driver, should always
properly wear their safety belts, even when an air bag
supplemental restraint system (SRS) is provided.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Seating and Safety Restraints
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