Audi A8 2008 Owner's Manual page 280

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D_ r_ iv _ in _.... g,_a_ n _d __ e_ n _ v _ir_ o _n _ m _ e_n _t _____________________________________________
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New
brake
pads
Remember that new brake pads do not have a full braking
effec t during the first 250 miles (400 kilometers) after they
are in stalled .
New brake pads have to be "burnished in" before they have optimal
grab =>& .
During the break -in period, you shou ld avoid putting severe loads
on the brakes . Severe loads include, for examp le, sudden hard
braking, in particular at very high speeds or, for example, on moun -
t ain passes.
&
WARNING
New brake pads don't have the best stopping pow er and must be
"broken -in" during the initial 100 to 150 mile s (150 to 200 kilome -
t ers) of norm al city driving. You can comp ensat e for thi s by
pressing the brake pedal more firmly . This also appli es later when
new pads are inst alled. •
Catalytic
converter
It is very important tha t your emission control sys tem
(catalytic converter) is functioning properly to ensure that
your vehicle is running in an environmentally sound
manner.
- Always use lead-f ree gasoli ne :=> page 301, "Fuel supply".
-
Never run the tank down all the way to empty.
-
Never put too much motor oil in your engine :=> page 312,
"Add ing eng ine oil
'l=;r1
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Never try to push - or tow -st art yo ur vehic le.
The catalytic converter is an efficient "clean -up" device built into the
exhaust system of the vehicle. The catalytic converter burns ma ny
of the po ll utants in the exhaust gas before they are released into the
atmosphere.
The exclusive use of un leaded fue l is critica lly important for the life
of the cata lytic converter and proper functioning
of the engine.
&
WARNING
Do not park or operate th e veh icle in areas where the hot
exhaust system may come in cont act w ith dry grass, bru sh, fuel
spill or other material which can cause a fire .
Do not apply additi onal undercoating or rustpr oofing on or
near the exhau st manifol d, exhau st pipe s, catal ytic converter or
heat shields. During driving, the subst ance used for undercoating
could overheat and cause a fire.
0
Note
Be aware that just one tank filling with leaded fue l wi ll already
seriously degrade the performance of the catalyt ic converter.
Do not exceed the correct engine oil level => page 312.
Do not drive until the fuel tank becomes comp letely empty . The
engine cou ld misfire. Unburned fuel could also get into the exhaust
system and this could cause the catalytic converter to overheat .
Do not turn off t he ignition wh ile the vehicle is moving.
Do not continue to operate your vehicle under these conditions,
as otherwise fuel can reach the cata lyt ic converter . This cou ld result
in overheating of the converter, requiring its rep lacement .
To assure eff icient operat ion of the Emiss ion Contro l System:
- Have your vehicle maintained properly and in accordance with
the service recommendations
in your Warranty & Maintenance
booklet.
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