179
(Continued)
3. Stop filling the DEF tank immediately
when any of the following happen: DEF
stops flowing from the fill bottle into the
DEF tank, DEF splashes out the filler
neck, or a DEF pump nozzle automati
-
cally shuts off.
4. Reinstall cap onto DEF tank.
Filling The Def Tank In Cold Climates
Since DEF will begin to freeze at 12°F
(-11°C), your vehicle is equipped with an
automatic DEF heating system. This allows
the DEF injection system to operate properly
at temperatures below 12°F (-11°C). If your
vehicle is not in operation for an extended
period of time with temperatures below 12°F
(-11°C), the DEF in the tank may freeze. If
the tank is overfilled and freezes, it could be
damaged. Therefore, do not overfill the DEF
tank.
Extra care should be taken when filling with
portable containers to avoid overfilling. Note the
level of the DEF gauge in your instrument cluster.
You may safely add a maximum of 2 gallons
(7.5 Liters) of DEF from portable containers
when your DEF gauge is reading ½ full.
TRAILER TOWING
Trailer Towing Weights (Maximum Trailer
Weight Ratings)
NOTE:
For
trailer
towing
information
(maximum trailer weight ratings) refer to the
following website addresses:
ramtrucks.com/en/towing_guide/
Towing Requirements
To promote proper break-in of your new
vehicle drivetrain components, the following
guidelines are recommended.
Never add anything other than DEF to
the tank – especially any form of hydro
-
carbon such as diesel fuel, fuel system
additives, gasoline, or any other petro
-
leum-based product. Even a very small
amount of these, less than 100 parts per
million or less than 1 oz. per 78 gallons
(295 liters) will contaminate the entire
DEF system and will require replace
-
ment. If owners use a container, funnel
or nozzle when refilling the tank, it
should either be new or one that is has
only been used for adding DEF. Mopar
provides an attachable nozzle with its
DEF for this purpose.
CAUTION! (Continued)
CAUTION!
Do not tow a trailer at all during the first
500 miles (805 km) the new vehicle is
driven. The engine, axle or other parts
could be damaged.
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