Volvo 2011 S80 Owner's Manual page 179

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Function
Functions overview.
Visual warning signal in the event of a col-
lision risk
Radar sensor
Camera sensor
Collision warning
Together with a camera sensor, the radar sen-
sor detects pedestrians, stationary vehicles as
well as vehicles driving in the same direction in
front of the car.
In the event of there being a risk of collision with
a pedestrian or such a vehicle your attention is
drawn with a red flashing warning signal and a
warning sound.
Collision Warning & Pedestrian Detection with Auto Brake*
Brake support
If the risk of collision still increases after the
collision warning then the brake support is acti-
vated. The brake support prepares the brake
system for rapid braking and the brakes are
applied gently, which may be noticed as a
slight jerk.
If the brake pedal is depressed sufficiently
quickly then full brake function is implemented.
Brake support also reinforces the driver's brak-
ing if the system considers that the braking is
not sufficient to avoid a collision.
Auto Brake
If the driver has not yet started an evasive
manoeuvre in this situation and the risk of a
collision is imminent then the Auto Brake func-
tion comes into effect, without the driver need-
ing to touch the brake pedal. Braking then
takes place with full brake force in order to
reduce collision speed, or with limited brake
force if it is sufficient to avoid collision.
04 Comfort and driving pleasure
Operation
Settings are made from the centre console dis-
play via a menu system. For information on
how the menu system is used, see page 124.
NOTE
The Brake Support and Auto Brake func-
tions are always enabled - they cannot be
deactivated.
On and Off
To select whether the collision warning system
should be switched on or off: In the menu
settings
Collision warning settings
choose between the options
An activated function is tested at each engine
start by briefly illuminating the warning lamp's
separate points of light.
When starting the engine, the setting that was
selected when the engine was switched off is
obtained automatically.
Activating/deactivating warning signals
The warning lamp is activated automatically
when the engine is started if the system is
switched on.
The warning sound can be activated/deacti-
vated separately using the options for
Off
in the menu system under
*
Option/accessory, for more information, see Introduction.
04
Car
On
Off
or
.
On
or
Car settings
``
179

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