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The cata lytic conve rter
is
an
efficient "clean
-up"
device bui
lt
into the
exhaust
system of the vehi
-
cle. The catalytic
converte
r
burns many of the
pollutants
in the
exhaust gas before
they
are re-
leased
int
o
the atmosphere.
The exclusive
use of unleaded fue
l
is critically
im-
portant for the life of the
catalyt ic
converter
and
proper functioning of
the
engine
.
A
WARNING
The
temperature
of
the
exhaust system is
high, both when driving and after stopping
the engine.
-
Never touch the exhaust tail pipes once they
have become hot. This could result in burns.
-
Do not park or operate
the
veh icle
in
areas
where the hot exhaust system may come in
contact with dry grass, brush, fue
l
spill or
other material which can cause a fire
.
- Do not apply additional undercoating or
rustproofing on
or
near the exha ust man i-
fold, exhaust pipes, catalyt ic converte
r
or
heat shields. During driv ing, the subs tance
u5ed for undercoating could overheat and
cause a fire
.
(D
Note
-
Be awa re that just one tank f illing wit
h lead-
ed
fuel will a lready se riously degrade
t
he
performance of
t
he cata lytic conver
t
er.
-
Do not exceed the co rrect engine oil leve
l
9page203.
-
Do not d rive until the fuel tank becomes
complete ly empty. The eng ine could misfi re.
Unburned f uel could also ge
t
into the ex-
haust system and this could ca use the cata
-
lytic converter to overheat.
-
Do no
t
sw itch off the ignition wh ile
t
he vehi-
cle is moving.
-
Do not con
t
inue to oper ate
your
vehicle un-
der these cond itions, as
ot
herwise fue
l
can
reach the catalytic converte
r.
This cou ld re-
su lt in overheating of the converter, requir-
ing its replacement.
-
To assure efficient ope ration of the Emission
Control System:
Checking
and Fillin
g
- Have your vehicle maintained properly and
in accordance with the serv ice recommen-
dat ions in yo ur Warranty & Maintenance
booklet.
-
Lack of prope
r
maintenance as we
ll
as im-
proper use of the vehicle will impair the
function of the emission control system
and
could
lead
to
damage.
@
For the sake of the environment
Even
when the
Emiss
ion Control System is op-
erating properly, the exha
ust
gas
can
have a
su
lfur-like
exhaust gas sme
ll
under some op-
erating states. Th is depends on the s ulfur
content of the fuel being used. Using a diffe r-
ent bra nd of fue
l
may he lp, or filling the tank
wit
h lead-free su per grade gaso line.
Diesel
particulate
filter
Appli
es to vehicles: wit
h diesel
engine
The diese
l
part iculate filter filters nearly all of
the soot pa rticles ou
t
of
t
he exha ust. The filter
clea
ns itself a utoma
t
ically unde
r
no
rmal
dr iving
cond
it ions. If the filte
r
cannot clean itse lf
(for ex-
amp le,
because
you
are only driving sho rt distan
-
ces),
t he fi lter
becomes clogged with soot and
the
II
symbol for the diese
l
partic
ulate
fi lter
il-
luminates
9page
22.
A
WARNING
-
Do not park your veh icle over flammable
materials such as grass or leaves because
the high temperature
of the diesel part icu-
lat
e filte
r
could sta rt a fire.
-
-
Do not app ly an underbody protectant in the
exhaust system area or a fire cou ld start.
Selective
catalytic
reduction
General information
Appli
es to vehicles: wit
h diesel
engine
In
veh icles with
selective
catalyt ic reduction, a
urea solution (AdBlue)
is
injected into the ex-
haust system before a nitrogen oxide cata lytic
conve rter to redu ce nit rogen emissions.
195
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