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Audi Q3 2017 - Engine Compartment

Audi Q3 2017
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pollutants in the exhaust gas before they are re-
leased into the atmosphere.
The exclusive use of unleaded fue l is critically im-
portant for the life of the catalytic converter and
proper functioning of the engine .
~
WARNING
- The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
- Never touch the exha ust ta il pipes once they
have become hot. This could result in burns.
- Do not park or operate the vehicle in areas
where the hot exhaust system may come in
contact with dry grass, brush, fuel spill or
other mater ial which can cause a fire.
- Do not apply additional undercoating or
rustproof ing on or near the exhaust mani-
fold, exhaust pipes, catalytic converter or
heat shields. During dr iving, the substance
used for undercoating could overheat and
cause a fire.
(D Note
- Be aware that just o ne tank filling with
leaded fue l will already ser iously degrade
the pe rformance of the catalytic converter .
- Do not exceed the correct eng ine o il level
c::;, page 164.
- Do not drive until the fuel tank becomes
completely empty. The engine could mis-
fire. Unburned fuel could also get into the
exhaust system and th is cou ld cause the
cata lytic converter to overheat.
- Do not turn off the ignition whi le the vehicle
is mov ing.
- Do not continue to operate your veh icle un-
der these cond it ions, as otherwise fue l can
reach the cataly t ic conve rte r. This cou ld re-
s ult in ove rheating of the converter, req uir-
ing its re placement.
- To assure efficient operation of the Emis-
s ion Control System:
- Have your vehicle maintained properly and
in accordance with the service recommen-
dations in your Warranty
& Maintenance
booklet.
-
Ch e ck ing an d Filling
- 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 lfur -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 f illing the tank
wit h lead-free supe r grade gasoline.
Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine comportment
For work in th e engine compartm ent such as
checking and filling fluids, there is a risk of in-
jury, scalding, accidents, and burns. For thi s
reason, follow all the warnings and general
safety precaution s provided in the following in·
formatio n. The engine compartment is a dan-
gerous area on the vehicle.
c::;, .&..
A WARNING
-
- Turn the engine off.
- Switch the ignition off.
- Set the parking brake .
- Move the selector lever into t he P position .
- Never open the hood whe n t here is steam or
coo lant escaping from the engine compart -
ment, because there is a risk that you could
be burned. Wait unt il no steam or coolant is
escaping.
- Let the eng ine cool down.
- Keep children away from the eng ine com -
partment.
- Never sp ill fluids on a ho t engine. These flu -
ids (such as the anti -freezing agent con-
tained in the coolant) can ignite .
- Avoid short circuit s in t he elect rical sys t em.
- When working in t he engi ne comp art me nt,
remember that the radiator fan can swit ch
159

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