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Emergency Stop Function
General safety instructions
Lack of attention and
WARNING
failure to detect objects
The system can only assist the driver within the
limits of the system, but it cannot replace the driver.
The assistance offered by the system should not in-
duce you to risk your safety.
The system cannot prevent an accident under all
circumstances. The driver is always responsible for
responding in an appropriate manner.
The system cannot detect the following situations:
– Persons, cyclists and animals
– Objects on the road
– Oncoming vehicles and cross traffic
e Drive with extreme care.
e Always pay attention to the traffic situation and
the vehicle surroundings.
System limitations
The function can be restrictedly available; may not
react or deactivate automatically:
– The driver actuates the accelerator pedal, the
brake or the steering wheel.
– The driving system such as Lane Keep Assist,
Active Lane Keeping, Adaptive Cruise Control
(ACC) or Porsche InnoDrive (PID) are accessible
on a limited basis.
– In case of damage or soiling of the radar sensors
or the front windshield in the area of the camera.
1.
Depending on the country and equipment
Responding to warning symbols
Always heed any warning and information messages
displayed in the vehicle.
> Please see chapter "Warning and Information
Messages" on page 293.
Operating principle
The system monitors the driver's steering, accelera-
tor pedal and brake pedal activity and provides as-
sistance in the speed range from 0 mph (0 km/h) to
approx. 130 mph (210 km/h) –
155 mph (250 km/h).
When the emergency stop function is activated, it
initiates visual, acoustic or tactile warnings in stages
and brakes the vehicle to a standstill.
The following conditions must be met so that the
switched-on emergency stop function can be
activated:
In the speed range from 0 mph (0 km/h) to
40 mph (65 km/h):
– Active Lane Keeping is active and the driver does
not react to the takeover prompts from Active
Lane Keeping.
In the speed range from 40 mph (65 km/h) to
130 mph (210 km/h):
– Active Lane Keeping is active and the driver does
not react to the takeover prompts from Active
Lane Keeping.
– Active Lane Keeping is switched off, Lane Keep
Assist is active and the driver does not react to
the takeover prompts from Lane Keep Assist.
– Active Lane Keeping is switched off, Lane Keep
Assist is switched off and the emergency stop
function does not detect any steering, brake
pedal or accelerator pedal activity.
Emergency Stop Function
In the speed range from 130 mph (210 km/h) to
approx. 156 mph (250 km/h):
– Lane Keep Assist is active and the driver does not
react to the takeover prompts from Lane Keep
Assist.
– Lane Keep Assist is switched off and the emer-
gency stop function does not detect any steer-
ing, brake pedal or accelerator pedal activity.
The emergency stop function is not available if Ac-
tive Lane Keeping is switched off in the speed range
below 40 mph (65 km/h).
These warnings prompt the driver to take over con-
trol of the vehicle:
– Driver instructions in instrument cluster
– Warning signals
– PCM muting
– Jerking belt
– Juddering brakes
If the driver still fails to act despite the warnings, the
emergency stop function performs an emergency
stop:
– The emergency flasher is activated.
– The vehicle is braked to a standstill in its own
lane. Warning jerks can also be felt.
Once the vehicle has come to a standstill, the park-
ing brake is applied, the transmission parking lock P
is engaged, the doors are unlocked, the interior
lighting is activated and an emergency call
triggered.
To drive off again, select operating mode D or R.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
is
1
T
U
V
W
X
Y
Z
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