Diesel Exhaust Fluid (Def) - TATA Motors Safari 2021 Owner's Manual

DIESEL EXHAUST FLUID (DEF)

The vehicle is equipped with
DEF injection system and Se-
lective Catalytic Reduction
(SCR) to meet emission stan-
dards.
DEF Storage
DEF is a very stable product with a long
shelf life. Stored at temperatures LOWER
than 32°C, it has a shelf life of at least one
year.
NOTE
DEF freezes at temperatures lower than
-11°C.
NOTE
When working with DEF, it is important
to know that:
• Any containers or parts that comes
into contact with DEF must be DEF
compatible (plastic or stainless
steel). Copper, brass, aluminum,
iron or non-stainless steel should be
avoid-ed as they are subject to cor-
rosion by DEF.
• During filling, if DEF overflows / is
spilled, kindly ensure it is cleaned /
wiped up completely by wet cloth &
then by dry cloth also.
Adding DEF
Preliminary Conditions
Consumption of the additive DEF depends
on the condition of vehicle use and is indi-
cated on the instrument cluster.
DEF freezes at temperatures lower than -
11°C. If the car stands for a long time at
this temperature refilling could be difficult.
For this reason, it is advised to park the
vehicle in a garage and/or heated environ-
ment and wait for the DEF to return to liq-
uid state before topping up.
Proceed as follows:
• Park the car on flat ground and stop
the engine by placing the ignition in the
OFF position.
• DEF filler is located in the tailgate com-
partment below the tool kit tray. Open
MAINTENANCE AND SERVICES
the tailgate and remove the tool kit tray
and remove the cap from the DEF
filler.
WARNING
Never fill DEF or diesel fuel into the
wrong filling ports. This may result seri-
ous damage to Engine, Fuel system
and Emission system components. In
case of wrongly filled do not start the
engine, contact TATA Motors Authorised
Service Centre.
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