Audi R8 Spyder 2014 Owner's Manual page 149

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The effectiveness of the brakes can be reduced
when the vehicle is dr iven on a salt -covered
road and the brakes are not used. Likewise,
you clean off accumulated salt coating from
brake discs and pads with a few cautious ap-
plications of the brake <=> ,& .
Corrosion
There may be a tendency for dirt to build up
on the brake pads and corrosion to form on
the discs if the car is not dr iven regularly or
only for short trips with little use of the
brakes.
If the brakes are not used frequently, or if cor-
rosion has formed on the discs, it is advisable
to clean off the pads and discs by braking
firmly a few times from a moderately high
speed<=> , & .
Fault s in th e brake syst em
If you should notice a sudden increase in
brake pedal travel, then one of the two brake
circu its may have failed. Drive immed iately to
the nearest qualified workshop to have the
damage repaired. Drive at reduced speed on
the way there and anticipate longer stopping
distances and higher pedal pressure¢ _&.
Low brake fluid level
Malfunct ions can occur in the brake system if
the brake flu id level is too low . The brake fluid
level is monito red electronically .
Brake power assist unit
The brake power assist un it increases the
pressure that you generate with the brake
pedal. It works only when the engine is run-
ning.
Brake lining w ear statu s
Brake li ning wear may be checked by visual in-
spection of the condition of the brake pads
through the openings in the wheel. If neces-
sary, the wheel may be removed for this in-
spection
¢
page
214 .
Int e llig e nt technolog
y
147
_&
WARNING
- You should perform braking maneuvers
for the purpose of cleaning the brake
system only if road conditions permit.
Other road users must not be put at risk -
you may cause an accident!
- Before descending a steep grade, reduce
speed and shift transmission into a lower
gear or lower dr iving range. Do not ride
the brakes or hold the pedal down too
long or too often. This could cause t he
brakes to get hot and diminish braking
efficiency .
- Do not " ride the brakes" by resting you r
foot on the pedal when you do not intend
to brake. This may cause the brakes to
overheat, premature wear and increased
stopping distance.
- Under certain climatic and operat ing
conditions such as passing through wa-
ter, dr iving in heavy rain or after washing
the vehicle, the effectiveness of the
brakes can be reduced. In winte r, ice can
accumu late on the brake pads, lin ings,
discs and drum s. Carefully apply brakes
for a t est. Brakes w ill dry and ice coat-
ings will be cleaned off after a few care-
fu l brake applications.
- Driving f or an extended period of time on
salt -covered roads without using your
brakes can also affect braking efficiency .
Clean off accumulated salt coating from
brake discs and pads with a few cautious
brake applications.
- If you damage the front spoiler, or if you
install a different spoiler, be sure the air
f low to the front brakes is not obstruct-
ed. Otherw ise the brake system could
overheat reducing the effectiveness of
the entire brake system.
- Failure of one brake circuit will impai r
the braking capability result ing in an in-
creased stopping distance. Avoid driving
the vehicle and have it towed to t he near-
est Audi dealer or qualified workshop .
- Never let the vehicle roll to a stop with
the engine shut off.
.,.

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