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Audi A4 2012 - Avoid Damaging the Vehicle; Driving through Water on Roads; Catalytic Converter

Audi A4 2012
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Avoid damaging the
vehicle
Whe n you are driving on poor roads, or over
curb s, steep ramps, etc ., make certain that
low-lying parts such as spoilers and exhaust
system parts do not bottom out and get dam-
aged .
This is especially true for vehicles with low-
slung chassis (sports chassis) * and fully load-
ed veh icles .
Driving through water
on roads
Note the following to avoid vehicle damage
when driving through water, for example on
flooded roads:
- The water must not be any higher than the
bottom of the veh icle body.
- Do not d rive faster than wa lking speed.
..&, WARNING
After driving t hrough wate r, mud, slush,
etc., the brakes may be slow to take effect
because of wet brake rotors and pads . Dry
the brakes first by braking carefully to re-
store the full braking effect.
(D Note
Vehicle components such as the engine,
transmiss ion, suspension or electrical sys -
tem can be severely damaged by driving
through water.
- Check the depth of the water before driv-
ing through it.
- Do not st op the veh icle, drive in reverse
or switc h the engine off when driving
through water.
- Keep in mind that oncoming vehicles
may create waves that raise the water
level and make it too deep for your vehi-
cle to drive through safely.
- Avoid driving thro ugh sa lt water because
it can ca use corrosion .
-
Dri v in g and en v ir o nm e n t 209
Catalytic converter
It is very important that your emission con-
trol syst em (cat alyt ic converter) is func tion-
ing properly to ensure that your vehicle is run-
ning in an environmentally sound manner .
.,. Always use lead-free gaso line ¢ page 227 ,
Fuel supply.
.,. Never run the tank down all the way to
empty .
.,. Never put too much motor oil in your en-
gine ¢
page 23 7,
~
Adding engine oil .
.,. Never try to push- or t ow-sta rt your vehicle.
The catalytic converter is an efficient "clean-
up " dev ice built into the exhaust system of
the vehi cle. The cata lytic conve rter bu rns
many of the pollutants in the exha ust gas be-
fore they are released into the atmosphere .
The exclusive use of unleaded fuel is critically
important for the life of the catalyt ic convert-
er and prope r funct ion ing of the engine .
A WARNING
-
- 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 material wh ich can
cause a fire .
- Do not apply additional undercoating or
rustproofing on or near the exhaust
manifold, exhaust pipes, catalytic con-
verter or heat shields . During driv ing, the
substance used for undercoating could
overheat and cause a fire .
(I) Note
- Be aware that just one tank filling with
leaded fuel will already ser iously de-
grade the performance of the catalytic
converte r.
- Do not exceed the correct eng ine oil level
¢ page 237 .
- Do not drive until the fue l tank becomes
completely empty . The engine could m is-
fire. Unburned fuel could also get into
IJ,,

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