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212 STARTING AND OPERATING
(Continued)
(Continued)
2. Insert DEF fill adapter/nozzle into DEF tank
filler neck.
NOTE:
The DEF gauge may take up to five seconds
to update after adding a gallon or more of
(DEF) to the DEF tank. If you have a fault
related to the DEF system, the gauge may not
update to the new level. See an authorized
dealer for service.
The DEF gauge may also not immediately
update after a refill if the temperature of the
DEF fluid is below 12°F (-11°C). The DEF line
heater will possibly warm up the DEF fluid
and allow the gauge to update after a period
of run time. Under very cold conditions, it is
possible that the gauge may not reflect the
new fill level for several drives.
Refilling With Nozzles
You can fill up at any DEF distributor.
Proceed as follows:
Insert the DEF nozzle in the filler, start
refilling and stop refilling at the first
shut-off (the shut-off indicates that the
DEF tank is full). Do not proceed with the
refilling, to prevent spillage of DEF.
Extract the nozzle.
Refilling With Containers
Proceed as follows:
Check the expiration date.
Read the advice for use on the label
before pouring the content of the bottle
into the DEF tank.
If systems which cannot be screwed in
(e.g. tanks) are used for refilling, after the
indication appears on the instrument
panel display Ú page 114 fill the DEF
tank with no more than 2 Gallons (8
liters).
If containers which can be screwed to the
filler are used, the reservoir is full when
the DEF level in the container stops
pouring out. Do not proceed further.
CAUTION!
To avoid DEF spillage, and possible
damage to the DEF tank from overfilling, do
not “top off” the DEF tank after filling.
DO NOT OVERFILL. DEF will freeze below
12ºF (-11ºC). The DEF system is designed
to work in temperatures below the DEF
freezing point, however, if the tank is over-
filled and freezes, the system could be
damaged.
When DEF is spilled, clean the area imme-
diately with water and use an absorbent
material to soak up the spills on the ground.
Do not attempt to start your engine if DEF is
accidentally added to the diesel fuel tank
as it can result in severe damage to your
engine, including but not limited to failure
of the fuel pump and injectors.
CAUTION! (Continued)
21_DT_OM_EN_USC_t.book Page 212
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