Audible Warnings And Indicators - Ford 2013 F-650 Owner's Manual

Water in Fuel (diesel engine only)
It illuminates when the fuel filter/water separator has a
significant quantity of water in it.
If the light illuminates when the engine is running, stop the vehicle as
soon as safely possible, shut off the engine, then drain the fuel
filter/water separator. See your engine operator's manual for the drain
procedure. Allowing water to stay in the system could result in extensive
damage to, or failure of, the fuel injection system.
WARNING: Do not drain the water separator while the engine is
running. Fuel may ignite if the separator is drained while the
engine is running or the vehicle is moving.

AUDIBLE WARNINGS AND INDICATORS

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.
Sounds when the keyless vehicle is in RUN and the driver's door is
opened (if equipped).
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.
2013 F-650/750 (f67)
Owners Guide gf, 2nd Printing, March 2013
USA (fus)
Instrument Cluster 73