Dr iv ing and th e en v ironm e nt
pollutants in the exha ust gas before they are re -
leased into the atmosphere.
The exclusive use of unleaded fue l is critica lly im-
portant for t he life of the catalytic converter and
proper functioning of the engine.
A WARNING
The temperature of the exha ust 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 vehicle in areas
where the hot exha ust system may come in
contact with dry grass, brush, fue l spill or
other mater ial which can cause a fire.
- Do not apply additional undercoating or
rustproofing on or near the exhaust mani-
fold, exhaust pipes, catalytic converter or
heat sh ields. During dr iving, the substance
used fo r undercoating could overheat and
cause a fire.
(D Note
- Be aware that just one tank filling with
leaded fuel will already ser iously degrade
the performance of the catalytic converter .
- Do not exceed the correct eng ine oil level
<=;>page 225.
- Do not drive until the fuel tank becomes
complete ly empty. The engine could mis-
fire. Unburned fuel could also get into the
exhaust system and this cou ld cause the
cataly t ic converte r to overheat.
- Do not switch off the ignition while the veh i-
cle is moving.
- Do not continue to operate your vehicle un-
der these cond it ions, as otherwise fue l can
reach the catalyti c converte r. This cou ld re-
su lt in overheating of the conve rter, req uir-
ing its replacement.
- To assure efficient oper ation of the Emis-
sion Control Syst em:
- Have your veh icle maintained properly and
in accordance with the service recommen-
dations in your Warranty
& Maintenance
book let .
198
- Lack of proper ma intenance as well as im-
proper use of the vehicle will impair the
funct ion 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 exhaust gas can have a
su lfu r-like exhaust gas sme ll under some op-
erating states. This depends on the sulfur
content of the fuel being used. Using a d iffer-
ent brand of fuel may help, or filling the tank
with lead-free super grade gasoline.
Diesel particulate filter
Appli es to: vehicles with diesel engine
The diesel particulate filter filters nearly all of
the soot part icles out of the exhaus t . The filte r
clea ns itself automat ically unde r no rma l dr iving
cond it ions. If the filt er canno t clean it self (fo r ex-
amp le, because you are on ly driving short distan-
ces), the filter becomes clogged with soot and
the
II symbol for the diese l particu late filter il-
luminates ¢ page 20.
A WARNING
- Do not park your vehicle over flammable
materials such as grass or leaves because
the high temperature of the diesel particu-
lat e filte r could sta rt a fire.
-
- Do not apply an underbody protectant in the
exhaust system area or a fire could start.
Shutting down vehicle
If you would like your vehicle to remain inopera-
tive for a longer period of time, contact an Audi
or other spec ia lized dealer . They can adv ise you
on necessary precautions e .g. corros ion preven-
tion, ma intenance and storage . Pay attention to
additional informat ion concer ning t he battery.
Refer to
<::;> page 2 31.
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