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04 Driver support
Adaptive Cruise Control (ACC)*
04
148
* Option/accessory, for more information, see Introduction.
Introduction
Adaptive Cruise Control (ACC) is an optional
system designed to assist the driver by main-
taining a set speed or a set time interval to
the vehicle ahead. It is primarily intended for
use on long straight roads in steady traffic,
such as on highways and other main roads.
When the driver has set the desired speed
and the time interval to the vehicle ahead,
ACC functions as follows:
•
If there are no other vehicles in the lane
ahead of you, your vehicle will travel at
the set speed.
•
If ACC's radar sensor detects a slower
moving vehicle in the lane ahead, the sys-
tem will adapt your vehicle's speed to
help maintain the set time interval to the
vehicle ahead. When there are no longer
slower moving vehicles ahead, your vehi-
cle will accelerate to resume the set
speed.
If ACC is switched off completely or in
standby mode and your vehicle comes too
close to another vehicle ahead, the driver will
be warned by the Distance Alert system (see
page 159).
WARNING
•
Adaptive Cruise Control cannot cover
all driving situations and traffic,
weather and road conditions. The
"Function" section provides informa-
tion about limitations that the driver
must be aware of before using this
feature.
•
This system is designed to be a sup-
plementary driving aid. It is not, how-
ever, intended to replace the driver's
attention and judgement. The driver is
responsible for maintaining a safe dis-
tance and speed and must intervene if
Adaptive Cruise Control does not
maintain a suitable speed or suitable
distance to the vehicle ahead.
•
Maintenance of ACC components may
only be performed by a trained and
qualified Volvo technician.
Function
Function overview
1
Warning light, braking by driver required
Controls in steering wheel
Radar sensor in front grille
Adaptive Cruise Control consists of:
•
A cruise control system to maintain a set
speed
•
A system to maintain a set distance to the
vehicle ahead, which is expressed as a
time interval. For example, you can
choose to remain approximately 2 sec-
onds behind the vehicle ahead. The
actual distance required to maintain a
1
The illustration is generic; details will vary, depending on the model
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