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Driving and Driving Safety
135
Emergency braking function
If the vehicle cannot be stopped by conventional
braking, you can decelerate sharply and stop the
vehicle using the electric parking brake.
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Press switch
and keep it pressed.
The brake warning light on the instrument
panel and the indicator light on the switch
start to flash.
The emergency braking function is deactivated
when you release the switch.
Information
Severe braking. Emergency braking takes place
with very high braking power.
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Only use the emergency braking function in an
emergency situation.
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Do not use the emergency braking function to
stop the vehicle when driving normally.
Brake warning light USA
Brake warning light Canada
If the electric parking brake could not be applied
fully when the vehicle is stopped, the brake
warning light on the instrument panel starts to
flash.
For information on warning messages on the multi-
function display:
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Please see the chapter “OVERVIEW OF
WARNING AND INFORMATION MESSAGES”
on page 114.
Brakes
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Make it a habit to check the operation of your
brakes before driving.
Keep in mind that the braking distance increases
very rapidly as the speed increases. At 60 mph
(100 km/h), for example, it is not twice but four
times longer than 30 mph (50 km/h). Tire traction
is also less effective when the roads are wet or
slippery.
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Therefore, always maintain a safe distance
from the car in front of you.
Vehicles without Porsche Ceramic
Composite Brake (PCCB)
Even though the brake disks consist of alloyed
gray cast iron, they will unavoidably start to
corrode if your car is parked for an extended
period. The brakes will tend to “rub” as a result.
The nature, extent and effects of corrosion
depend on the amount of time the vehicle was
parked, whether road salt or grit was spread and
whether grease-dissolving agents were used in
car washes.
If the braking comfort is noticeably impaired, we
recommend having the brake system checked by
experts at an authorized Porsche dealer.
Brake system function
Your Porsche is equipped with a power assisted
hydraulic dual circuit brake system with disk
brakes at the front and rear.
Both circuits function independently. One brake
circuit operates the front left and rear right wheel
and the other operates the front right and rear left
wheel.
If one brake circuit has failed, the other will still
operate. However, you will notice an increased
pedal travel when you apply the brakes. Failure of
one brake circuit will cause the stopping distance
to increase.
14_C7NF_21.book Seite 135 Mittwoch, 26. März 2014 12:15 12