Page 1 of 368
Introduction 4
Instrument Cluster 12
Warning lights and chimes 12
Gauges 18
Entertainment Systems 22
AM/FM stereo 22
AM/FM stereo with CD 24
AM/FM stereo with in-dash six CD 30
Auxiliary input jack 36
Satellite radio information 40
Navigation system 43
Family entertainment system 43
Climate Controls 71
Heater only 71
Manual heating and air conditioning 72
Dual automatic temperature control 75
Lights 80
Headlamps 80
Turn signal control 85
Bulb replacement 85
Driver Controls 94
Windshield wiper/washer control 94
Steering wheel adjustment 95
Power windows 98
Mirrors 99
Speed control 104
Upfitter controls 109
Moon roof 110
Message center 116
Tailgate 131
Table of Contents
1
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Page 10 of 368
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
10
Page 11 of 368
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
Emission SystemEngine 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
11
Page 22 of 368
AUDIO SYSTEMS
AM/FM stereo system (if equipped)
The AM/FM stereo system does not contain rear speakers; only front
driver side and passenger side speakers.
Accessory delay:Your vehicle is
equipped with accessory delay. With
this feature, the window switches
and radio may be used for up to ten
minutes after the ignition is turned
off or until either front door is opened.
1.
/(Tuner):Press to manually go up or down the radio
frequency. Press and hold for a fast advance through radio frequencies.
Also use in AUDIO mode to gain access to various settings.
2.AUDIO:Press AUDIO repeatedly
to gain access to the following
settings.
TREB (Treble):Press AUDIO to reach the treble setting.
Use
//SEEK.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Entertainment Systems
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Page 24 of 368
AM/FM stereo single CD/satellite compatible sound system
(if equipped)
Accessory delay:Your vehicle is equipped with accessory delay which
allows you to operate the window switches and the audio for up to ten
minutes after the ignition has been turned off or until either front door is
opened.
1.
/: Press/to
manually go up or down the radio
frequency. Press and hold for a fast
advance through radio frequencies.
In satellite radio mode (if equipped), press
/to tune to the
next/previous channel.
Satellite radio is available only with a valid SIRIUS radio
subscription. Check with your authorized dealer for availability.
2.MUTE/
: Press to mute the
playing media. Press again to return
to the playing media.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Entertainment Systems
24
Page 30 of 368
Premium/Audiophile in-dash six CD/MP3/satellite compatible sound
system (if equipped)
Accessory delay:Your vehicle is equipped with accessory delay which
allows you to operate the window switches and audio for up to ten
minutes after the ignition has turned off or until either front door has
opened.
1.
/(Tune/Disc selector):
In radio mode,press to manually
go up (
) or down ()the
radio frequency. Press and hold for
a fast advance through radio frequencies.
In menu mode,use to select various settings.
In CD/MP3 mode,press to select the desired disc.
Satellite radio is available only with a valid SIRIUS radio
subscription. Check with your authorized dealer for availability.
2.MUTE/
: Press to mute the
playing media. Press again to return
to the playing media.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Entertainment Systems
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Page 71 of 368

HEATER ONLY SYSTEM
(IF EQUIPPED)
1.Fan speed adjustment:Controls
the volume of air circulated in the
vehicle.
2.Temperature selection:
Controls the temperature of the
airflow in the vehicle.
3.Air flow selections:Controls the direction of the airflow in the
vehicle. See the following for a brief description on each control:
:Distributes outside air through the instrument panel vents.
:Distributes outside air through the instrument panel vents and the
floor vents.
O (OFF):Outside air is shut out and the fan will not operate.
:Distributes outside air through the floor vents.
:Distributes outside air through the windshield defroster vents,
floor vents and demister vents.
:Distributes outside air through the windshield defroster vents and
demister vents. Can be used to clear windshield of fog and thin ice.
Operating tips
•To reduce fog build up on the windshield during humid weather, place
the air flow selector in the
position.
•To reduce humidity build up inside the vehicle during cold or warm
weather, do not drive with the air flow selector in the O (OFF)
position.
•Do not put objects under the front seats that will interfere with the air
flow to the rear seats.
•Remove any snow, ice or leaves from the air intake area at the base of
the windshield.
To aid in side window defogging/demisting in cold weather:
1. Select
.
2. Modulate the temperature control to maintain comfort.
3. Set the fan speed to the highest setting.
4. Direct the outer instrument panel vents toward the side windows.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Climate Controls
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Page 74 of 368

Operating tips
•To reduce fog build up on the windshield during humid weather, place
the air flow selector in the
position.
•To reduce humidity build up inside the vehicle, do not drive with the
air flow selector in the O (OFF) position.
•Do not put objects under the front seats that will interfere with the
airflow to the rear seats.
•Remove any snow, ice or leaves from the air intake area at the base of
the windshield.
•To improve the A/C cool down, drive with the windows slightly open
for 2–3 minutes after start up or until the vehicle has been “aired out.”
For maximum cooling performance (MAX A/C) in MAX A/C mode:
•Move the temperature control to the coolest setting.
•Set the fan to the highest speed initially, then adjust in order to
maintain comfort.
To aid in side window defogging and demisting in cold weather:
1. Select
.
2. Select A/C.
3. Set the temperature control to maintain comfort.
4. Set the fan speed to highest setting.
5. Direct the outer instrument panel vents towards the side windows.
Do not place objects on top of the instrument panel as these
objects may become projectiles in a collision or sudden stop.
2008 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Climate Controls
74