Ford F-650 2015 Owner's Manual page 115

114
Low DEF Level Warning Indications and Vehicle Consequences
DEF Tank Level
Above initial
warning threshold
(Over 25% full).
Below initial
warning threshold
(25% full).
Critical warning
threshold (20%
full).
First vehicle
consequence (15%
full).
Final vehicle
consequence
(Empty) and
engine intentionally
shut down (key off)
or in extended idle
for one hour.
2015 F-650/750 (f67)
Owners Guide gf, 2nd Printing, April 2014
USA (fus)
Fuel and Refueling
for Emergency Vehicles
Indicator
Consequence
Lamps
None. None.
DEF solid None.
DEF
None.
blinking
DEF
blinking /
None.
Amber engine
solid
DEF
blinking /
None.
Amber engine
solid
Remedy
None.
Add 1 gallon
(3.8L) DEF to
5-gallon (19.0L)
tank or 2 gallons
(7.6L) DEF to
9-gallon (34.0L)
tank..
Add 1 gallon
(3.8L) DEF to
5-gallon (19.0L)
tank or 2 gallons
(7.6L) DEF to
9-gallon (34.0L)
tank. Allow the
system to prime.