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Driving and Driving Safety
165
–
“
ACC not possible Switch on PSM
”
Adaptive cruise control is not available
because PSM was switched off.
For information on Porsche Stability
Management (PSM)
:
f
PLEASE SEE THE CHAPTER “PORSCHE
STABILITY MANAGEMENT (PSM)”
on page 181.
– “
ACC off
”
Adaptive cruise control was deactivated.
–
“
ACC not possible Steering lock too large
”
The steering is turned too far.
General information
“Sport” and “Sport Plus” Mode
Adaptive cruise control regulates your driving
more dynamically in “
Sport
” and “
Sport Plus
”
mode.
Exceptions for adaptive cruise control
Adaptive cruise control is
not
available in the
following situations:
– If the ignition is switched off.
– When PSM is off.
– If the driver’s door is opened and the driver’s
safety belt is not fastened.
– When parking or maneuvering in very tight
spaces.
– When the electric parking brake is activated.
– If the PDK selector lever is in position
N
,
R
or
P
.
– On upward or downward slopes of more than
15 %.
If one of these exception situations occurs when
adaptive cruise control is switched on, adaptive
cruise control will be switched off.
A message to this effect appears on the multi-
function display.
Warning messages
Overtake request when adaptive cruise
control is active (ACC active)
If adaptive cruise control detects that braking
assistance is required on the part of the driver, a
warning signal sounds and the warning message
“
Distance Please brake
” appears on the multi-
function display.
In this case, the braking power of the adaptive
cruise control is not sufficient to prevent a
collision.
f
Brake immediately.
Traffic situations in which vehicles cannot
be reliably detected
The radar sensor for adaptive cruise control scans
a narrow, cone-shaped area in front of your
vehicle.
Detection can be limited or unreliable, depending
on the traffic situation and the size of the vehicle
in front. The system may brake too late or
unexpectedly.
Stationary vehicles are not detected. The system
cannot respond to stationary vehicles.
f
Drive with extreme care.
f
Slow down if necessary.
Inadequate braking
power during automatic
braking by the adaptive
cruise control.
WARNING
h
14_991_Turbo_21.book Seite 165 Mittwoch, 9. April 2014 2:19 14
Summary of Contents for 911 Turbo 2014
Page 1: ...911 Turbo Owner s Manual...