FORD 2012 F-550 v.3 - Manual (Page 20)

Electronic locking differential
(RTT and static) (if equipped):
Displays when using the electronic
locking differential.
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
• Water in fuel
• Diesel exhaust fluid
Instrument Cluster
20
2012 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)