2012 FORD F550 turn signal bulb

Introduction 5
Instrument Cluster 14Warning lights and chimes 14
Gauges 21
Message center 22
Entertainment Systems 60AM/FM stereo 60
AM/FM stereo with CD 62
Auxiliary input jack 69
USB port 71
Satellite radio information 74
Navigation system 77
SYNC  77
Climate Controls 78Manual heating and air conditioning 78
Dual electronic automatic temperature control 81
Rear window defroster 85
Lights 87Headlamps 87
Turn signal control 91
Interior lamps 92
Bulb replacement 92
Driver Controls 98Windshield wiper/washer control 98
Steering wheel adjustment 99
Power windows 103
Mirrors 105
Speed control 110
Upfitter controls 114Table of Contents
1
2012 F-250/350/450/550 (f23)
Owners Guide, 4th Printing
USA (fus)

Speed control (if equipped): The
speed control system indicator light
changes color to indicate what mode
the system is in:
• On (amber light): Illuminates
when the speed control system is turned on. Turns off when the speed
control system is engaged or turned off.
• Engaged (green light): Illuminates when the speed control system is
engaged. Turns off when the speed control system is disengaged.
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.
Diesel warning lights: If your vehicle is equipped with a diesel engine,
it has some unique warning lights; refer to Instrument Cluster in your
diesel supplement for detailed information on their function.
• Glow plug pre-heat
• Waterinfuel
• Diesel exhaust fluid
Key-in-ignition warning chime: Sounds when the key is left in the
ignition in the off or accessory position and the driver’s door is opened.
Headlamps on warning chime: Sounds when the headlamps or parking
lamps are on, the ignition is off (the key is not in the ignition) and the
driver’s door is opened.Instrument Cluster
20
2012 F-250/350/450/550 (f23)
Owners Guide, 4th Printing
USA (fus)

Examples of unacceptable moisture (usually caused by a lamp water
leak) are:
• Water puddle inside the lamp
• Large water droplets, drip marks or streaks present on the interior of
the lens
Take your vehicle to a dealer for service if any of the above conditions of
unacceptable moisture are present.
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Function Number
of bulbs Trade 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 1 912
Fog lamp 2 9145
License plate lamp 2 194
Cargo lamp 2 912
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. Lights
93
2012 F-250/350/450/550 (f23)
Owners Guide, 4th Printing
USA (fus)