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Collision warning
Fig. 141: Collision warning on the instrument cluster
If PAS detects a possible collision, it can warn the
driver by issuing a warning tone and displaying a
corresponding symbol in the instrument cluster dis-
play. It warns the driver about pedestrians or cyclists
up to a speed of 53 mph (85 km/h) and about ve-
hicles up to a speed of 156 mph (250 km/h).
The warning time varies according to the traffic sit-
uation and the driver's behavior and can be set.
Setting the warning time for the collision
warning
e ASSIST
e
e Assistance system set-
tings e Porsche Active Safe
1.
Not available in some country versions.
If the collision warning is switched off, it will be ac-
tivated in its default setting when the ignition is
switched on again.
Acute warning
If the driver does not respond to the collision warn-
ing, an acute warning in the form of a brief braking
jolt can also alert the driver to the increasing colli-
sion hazard. Additionally, a warning tone is emitted
and a corresponding symbol is displayed in the in-
strument cluster.
> Please see chapter "Warning and Information
Messages" on page 293.
Even with this warning, the driver may still have to
swerve or brake sharply in order to avoid a collision.
The warning time varies according to the traffic sit-
uation and the driver's behavior. At the same time,
the vehicle is prepared for possible emergency
braking.
Automatic braking
If the driver does not respond to the acute warning,
PAS can automatically brake the vehicle with pro-
gressively increasing braking force within the limits
of the system.
.
1
If Porsche Active Safe detects that the driver is not
braking sufficiently in the event of an impending
collision, it can increase the brake pressure depend-
ing on the situation. Additionally, a warning tone is
emitted and a corresponding symbol is displayed in
the instrument cluster.
By reducing the vehicle speed in the event of an im-
pending collision, the system can help to mitigate
the consequences of an accident.
Porsche Active Safe (PAS)
PAS system limits and
WARNING
information
PAS cannot overcome the physically determined
limits. It is a support system and cannot prevent a
collision under all circumstances. The driver always
bears responsibility for braking in time.
e Note that not all vehicles, pedestrians or cyclists
can be detected by the sensors or camera in all
cases - risk of accidents!
e The increased safety that is provided must not
induce you to take risks with your safety - risk of
accidents!
e Responsibility for adapting the vehicle speed and
safety distance to vehicles, pedestrians or cy-
clists in front always lies with the driver and must
always be adapted to the visibility, weather, road
and traffic conditions.
– In complex driving situations, PAS may issue un-
desired warnings and perform undesired braking
interventions.
– PAS does not react to animals, cross traffic, on-
coming vehicles and objects such as poles, fen-
ces or rail vehicles.
– PAS may be restricted or unavailable in bends.
– Reflective objects such as crash barriers or tun-
nel entrances, heavy rain, snowfall, fog or ice
formation may impair operation of the camera or
sensors and consequently detection of a collision
hazard.
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