Page 1 of 407
Introduction 4
Instrument Cluster 14
Warning lights and chimes 14
Gauges 21
Message center 25
Entertainment Systems 43
AM/FM stereo 43
AM/FM stereo with CD 45
AM/FM stereo with in-dash six CD 52
Auxiliary input jack 59
USB port 61
Satellite radio information 65
Family entertainment system 68
Navigation system 97
SYNC97
Climate Controls 98
Heater only 98
Manual heating and air conditioning 99
Dual automatic temperature control 102
Lights 107
Headlamps 107
Turn signal control 112
Bulb replacement 113
Driver Controls 120
Windshield wiper/washer control 120
Steering wheel adjustment 121
Power windows 124
Mirrors 126
Speed control 131
Upfitter controls 137
Moon roof 138
Table of Contents
1
2010 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 19 of 407

Four wheel drive low (if
equipped):Illuminates when
four-wheel drive low is engaged.
Four wheel drive high (if
equipped):Illuminates when
four-wheel drive high is engaged.
Anti-theft system:Flashes when
the SecuriLockPassive Anti-theft
System has been activated.
Speed control (if equipped):
Illuminates when the speed control
is activated. Turns off when the
speed control system is deactivated.
Turn signal:Illuminates when the
left or right turn signal or the
hazard lights are turned on. If the
indicators stay on or flash faster, check for a burned out bulb.
High beams:Illuminates when the
high beam headlamps are turned on.
If your vehicle is equipped with a diesel engine, it has some unique
warning lights; refer toInstrument Clusterin yourPower Stroke 6.0
and 6.4 Liter Direct Injection Turbo Diesel Owner’s Guide
Supplementfor detailed information on their function.
Diesel warning lights:
•Glow plug pre-heat
•Waterinfuel
•Low oil pressure4x4
LOW
4x4
HIGH
Instrument Cluster
19
2010 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)
Page 114 of 407

Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Function Number
of bulbsTrade number
Headlamps (aerodynamic) 2 H13/9008
Headlamps (sealed beam) 2 H6054
Park lamp with aerodynamic headlamp 2 3157A or 3157AK
Park lamp with sealed beam headlamp 2 3157
Sidemarker 2 194
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 stoplamp 1 922
Fog lamp 2 9145
License plate lamp 2 194
Cargo lamp 2 906
Mirror turn signal 2 2825
Mirror clearance lamp 2 2825
*Front clearance lamps (2) and front
identification lamps (3)5 194
*Rear fender clearance 4 194
Interior visor lamp (if equipped) 4 194
*Rear identification 3 194
All replacement bulbs are clear in color except where noted.
To replace all instrument panel lights - see your authorized dealer
* Dual rear wheels, or if equipped.
Lights
114
2010 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)