8167
Maintenance
(Continued)
• In case the vehicle was
parked at very low ambient
temperature (below -11
degree Celcius) for a long
time, the urea solution will be
frozen in the urea solution
tank. With frozen urea solu-
tion, the urea solution tank
level may not be detected cor-
rectly until the urea solution
will be defrosted by activated
heater. Incorrect urea solution
or diluted urea solution can
increase the freezing point,
and thus defrosting may not
be properly done by the
heater which is activated
below certain temperatures.
This phenomenon may cause
malfunction of the SCR sys-
tem which can lead to the pro-
hibition of engine restarting.
• The time to defrost the urea
solution varies in accordance
with driving conditions and
outside temperatures.
CAUTION
• If defective urea solution or
liquid that is not recommend-
ed is supplied, there may be
damage on the parts of the
vehicle such as processing
device. If defective fuel is
used, foreign objects will be
accumulated to SCR catalyst
and cause catalyst pushed
away or breaking.
After adding the incorrect
urea solution, please visit the
closest service centre as early
as possible.
• Liquid that are not recom-
mended such as diesel, petrol,
and alcohol shall never be
used other than the recom-
mended urea solution that sat-
isfy ISO22241 or DIN70070.
(Continued)
(Continued)
• If defective urea solution or
liquid that is not recommend-
ed is supplied, there may be
damage on the parts of the
vehicle such as processing
device. If defective fuel is
used, foreign objects will be
accumulated to SCR catalyst
and cause catalyst pushed
away or breaking.
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