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in the city and on curves or with a sporty driving
style.
Operating noise
Noises may occur when braking depending on the
speed , braking force and outside conditions such
as temperature and humidity.
Wet conditions or road salt
In certain situations, for example after driving
through water, in heavy ra in or after washing
your car, the braking effect may be reduced due
to moisture or ice on the brake rotor s and brake
pads . The brakes must be "dried" first with a few
careful brake applications.
At higher speeds and with the windsh ield wipers
turned on, the brake pads press against the brake
rotors for a short amount of time. This action,
which is not felt by the driver, happens at regular
intervals and ensures a better reaction time for
the brakes in wet weather.
The braking effect can also be reduced if you are
driving on salted roads and you do not apply the
brakes for long periods of time . The layer of sa lt
on the brake rotors and pads must be worn off
first when the brakes are applied.
Corrosion
Leaving the vehicle parked for long periods of
time, low mi leage and avoiding heavy braking
can contribute to corrosion on the brake rotors
and to dirty brake pads.
If you usually avoid heavy braking or if there is
corrosion present, occasional heavy braking at
high speeds is recommended to clean the brake
rotors and pads¢
A .
Brake system malfunction
If you notice that the brake peda l travel has sud-
denly increased, then a brake circuit in the dual-
circuit brake system may have malfunctioned.
Drive to an authorized Audi dea ler or authorized
Audi Service Facility immediately to have the
problem corrected. On the way there, drive with
reduced speed and keep in mind that you will
need a longer distance to stop and you will need
to press the brake pedal harder .
Intelligent Technology
Low brake fluid level
When the brake fluid level is low, malfunctions in
the brake system may occur. The brake fluid level
is e lectronica lly monitored.
Brake booster
The brake booster amplifies the pressure you ap-
ply to the brake pedal.
Ceramic brakes
Applies to: vehicles with ceramic brakes
Ceramic brakes provide excellent deceleration
rates .
The break-in period for new ceramic brakes may
be significantly longer than for standard brake
rotors. Due to the properties of the material,
they may cause noises at lower speeds. Ceramic
brakes also absorb more moisture in wet condi-
tions. The refore, there will temporarily be less
braking force than when th e brakes are dry. You
can compensate for this by press ing the brake
peda l harder.
& WARNING
~
-
- Only app ly the brakes for the purpose of
cleaning the brake system when road and
traffic cond itions permit. You must not en-
danger other road users. This increases the
risk of an accident .
- Never let the vehicle roll while the engine is
stopped because this increases the risk of an
accident.
- Never place objects in the dr iver's footwell.
An object could end up in the area around
the pedals and prevent you from using
them. You would not be able to use the ped-
als if sudden dr iving or braking maneuvers
were needed, which increases the risk of an
accident.
- Only use floor mats that do not obstruct the
area around the peda ls and that can be se-
curely fastened in the footwells.
- To reduce the risk of injury, do not place
your foot under the brake pedal.
145
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