Porsche Cayenne 2005, Owner'S Manual

Page: 65 / 369

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Controls, Safety, Instruments
65
Warning!
To avoid overheating and premature wear of
the brakes:
f Before descending a steep grade, reduce
speed and shift the transmission into a lower
driving position to control speed.
f Do not “ride the brakes“ by resting your foot on
the pedal when not intending to apply brake
pressure.
f Do not hold the pedal down too long or too of-
ten. This could cause the brakes to get hot and
not function properly.
Brake booster
The brake booster assists braking only when
the engine is running.
When the car is moving while the engine is not run-
ning, or if the brake booster is defective, more
pressure on the brake pedal is required to bring
the car to a stop.
Moisture, road salt or grit on brakes affects brak-
ing. When the vehicle is driven on salted or gritted
roads for extended periods, the brakes should be
washed down thoroughly about every 2 weeks. An
automatic carwash facility cannot do this job prop-
erly. Brakes will dry after a few cautious brake ap-
plications.
Warning!
Driving through water may reduce the trac-
tion. Moisture on brakes from road water, car
wash, or a coating of road salt or grit may af-
fect braking efficiency.
f Cautiously apply brakes to test brakes after
being exposed.