warning VOLVO XC60 2009 Owner´s Manual

04 Comfort and driving pleasureAdaptive Cruise Control (ACC)* 04
172
* 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 distance 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.
WARNING
\b
Do not use the adaptive cruise control
system in demanding driving conditions
such as city traffic, winding roads, at
intersections, on slippery surfaces, in
poor visibility, heavy rain, etc.
\b Maintenance of cruise control compo-
nents must only be performed by an
authorized Volvo workshop.
WARNING \b
Adaptive cruise control cannot cover all
driving situations and traffic, weather
and road conditions. The Function sec-
tion provides information about limita-
tions that the driver must be aware of
before using the adaptive cruise con-
trol.
\b This system is designed to be a supple-
mentary driving aid. It is not, however,
intended to replace the driver\fs atten-
tion and judgement. The driver is
responsible for maintaining a safe dis-
tance and speed and must intervene if
adaptive cruise control does not main-
tain a suitable speed or suitable dis-
tance. Function
Function overview
Warning light, braking by driver required
Controls
Radar sensor in front grille
Adaptive cruise control consists of:
\b A cruise control system to maintain a set
speed
\b A system to maintain a set distance to the
vehicle ahead (expressed as a time inter-
val. For example, you can choose to
remain approximately 2 seconds behind
the vehicle ahead).

04 Comfort and driving pleasure
Adaptive Cruise Control (ACC)*04
}}
* Option/accessory, for more information, see Introduction. 173
WARNING\b
Adaptive cruise control is not a collision
avoidance system. The driver is always
responsible for applying the brakes if
the system does not detect another
vehicle.
\b Adaptive cruise control does not react
to slow moving or stationary vehicles. The distance to the vehicle ahead (in the same
lane) is measured by a radar sensor. Your vehi-
cle\fs speed is regulated by acceleration and
braking. The brakes may emit a sound when
they are being modulated by the adaptive
cruise control system. This is normal.
WARNING
The brake pedal moves when the adaptive
cruise control system modulates the
brakes. Do not rest your foot under the
brake pedal.
The adaptive cruise control system is designed
to follow the vehicle ahead of you in the same
lane, at a set time interval.
If the radar sensor has not detected a vehicle
ahead, the system will then attempt to maintain
the set speed. This is also the case if the speed of the vehicle ahead exceeds the speed that
you have set.
The adaptive cruise control system is designed
to smoothly regulate speed. However, the
driver must apply the brakes in situations that
require immediate braking. This applies when
there are great differences in speed between
vehicles, or if the vehicle ahead brakes sud-
denly.
WARNING
Due to limitations in the radar sensor, brak-
ing may occur unexpectedly or not at all,
see page 175.
Adaptive cruise control can only be activated
at speeds above 20mph (30 km/h). If speed
falls below 20 mph (30 km/h) or if engine speed
(rpm) becomes too low, adaptive cruise control
disengages and will no longer modulate the
brakes. In situations when adaptive cruise con-
trol cannot be activated Cruise Control
Unavailable is shown in the display.
WARNING
When adaptive cruise control disengages,
the brakes will not be modulated automati-
cally. The driver must assume full control
over the vehicle.
Warning light-driver braking requiredAdaptive cruise control has a braking capacity
that is equivalent to approximately 30% of the
vehicle\fs total braking capacity. In situations
requiring more brake force than ACC can pro-
vide, if the driver does not apply the brakes, an
audible signal will sound and a red warning
light will illuminate in the windshield to alert the
driver to react.
NOTE Strong sunlight, reflections, extreme light
contrasts, the use of sunglasses, or if the
driver is not looking straight ahead may
make the visual warning signal in the wind-
shield difficult to see.
WARNING
Cruise control only warns of vehicles
detected by the radar sensor, see
page 172. In some cases there may be no
warning or the warning may be delayed. The
driver should always apply the brakes when
necessary.

04 Comfort and driving pleasure
Adaptive Cruise Control (ACC)*04
}}
* Option/accessory, for more information, see Introduction. 175
WARNING\b
Only use a time interval that is suitable
in current traffic conditions.
\b A short time interval gives the driver lim-
ited reaction time if an unexpected sit-
uation occurs in traffic. The number of bars indicating the selected
time interval are shown while the setting is
being made and for several seconds afterward.
A smaller version of the symbol is then shown
to the right in the display. The same symbol is
also displayed when Distance Alert is acti-
vated, see page 179 .
Deactivating and resuming settingsCruise control is deactivated, either with a
short press on
, or by action taken by the
driver, such as braking, etc. The set speed, for
example 55 mph, is then shown in parenthe-
ses. Speed and time interval are resumed by
pressing .
WARNING
There may be a significant increase in speed
after the
button has been pressed.
A short press on in standby mode or a long
press in active mode deactivates cruise con- trol. The set speed is then cleared and cannot
be resumed.
When ACC is activated, the vehicle’s speed
increases by approximately 1 mph (1 km/h)
each additional time is pressed.
Deactivation due to action by the driverACC is deactivated:
\b
when the brakes are applied
\b if the gear selector is moved to
N
\b if the accelerator pedal is depressed for an
extended period.
NOTE If the accelerator pedal is only depressed for
a short time, such as when passing another
vehicle, ACC is deactivated temporarily and
is reactivated when the pedal is released.
Automatic deactivationAdaptive cruise control is linked to other sys-
tems such as ABS, the stability and traction
control system (DSTC), and the Distance Alert
System. If any of these systems are not func-
tioning properly, adaptive cruise control is
automatically deactivated.
In the event of automatic deactivation a signal
will sound and the message
Cruise Control
Canceled is shown in the display. The driver must then intervene and adapt the vehicle\fs
speed to the surrounding traffic.
Automatic deactivation may be caused if:
\b
the vehicle\fs speed falls below 20 mph
(30 km/h)
\b the wheels lose traction or if the anti-lock
brake system (ABS) is activated
\b brake temperature is high
\b engine speed (rpm) is too low
\b the radar sensor is obstructed by, for
example, wet snow or rain.
The radar sensor and its limitations
The radar sensor is used by both Adaptive
Cruise Control and the Collision Warning Sys-
tem with Auto-brake. It is designed to detect
cars or larger vehicles driving in the same
direction as your vehicle.WARNING Accessories or other objects, such as extra
headlights, must not be installed in front of
the grille.
Modification of the radar sensor could make
its use illegal.
The radar sensor\fs capacity to detect vehicles
ahead is impeded:

04 Comfort and driving pleasureAdaptive Cruise Control (ACC)* 04
176
* Option/accessory, for more information, see Introduction.
\b
if the radar sensor is obstructed and can-
not detect other vehicles, for example in
heavy rain, or if snow or other objects are
obscuring the radar sensor.
NOTE Keep the area in front of the radar sensor
clean.
\b
if the speed of vehicles ahead is signifi-
cantly different from your own speed.
WARNING The radar sensor has a limited field of vision.
In some situations it may detect a vehicle
later than expected or not detect vehicles at
all.
Radar sensor field of vision (gray)
In certain situations, the radar sensor can-
not detect vehicles at close quarters, for
example a vehicle that suddenly enters thelanes between your vehicle and the one
that the system has already detected. Small vehicles, such as motorcycles, or
vehicles not driving in the center of the lane
may remain undetected.
In curves, the radar sensor may detect the
wrong vehicle or lose a detected vehicle
from view.
Fault tracing and actions
If the message Radar blocked See manual is
displayed, this means that the radar signals
from the sensor have been obstructed and that
a vehicle ahead cannot be detected.
This, in turn, means that the functions of the
ACC, Distance Alert, and Collision Warning
System with Auto-brake will not function.
The table lists possible causes for this mes-
sage being displayed, and suitable actions. Cause Action
The surface of the radar in the grille is dirty or obstructed in some wa\
y. Clean the radar surface, or remove the object causing the obstruction.
Heavy rain or snow is interfering with the radar signals. No action possible. Heavy precipitation may affect the function of the
radar. G02141
4

04 Comfort and driving pleasure
Distance alert04
}}
179
Introduction
Distance Alert is part of Adaptive Cruise Con-
trol and is a function that provides information
about the time interval to the vehicle ahead.
Time interval information is only given for a
vehicle that is driving ahead of your vehicle, in
the same lane, and in the same direction. No
information is provided for vehicles driving
toward you, moving very slowly, or at a stand-
still.
A smaller section of the red warning light in the
windshield glows steadily if your vehicle is
closer to the vehicle ahead than the set time
interval.
NOTE Distance Alert is in active mode while Adap-
tive Cruise Control is active.
Distance Alert is active at speeds above
approximately 20 mph (30 km/h).
WARNING
Distance Alert only indicates the distance to
the vehicle ahead. It does not affect the
speed of your vehicle.
Operation
–
Press the button in the center instrument
panel to switch this function on or off. > The indicator light in the button illumi-
nates when the function is on.
Setting a time intervalThe buttons for setting a time interval are
located on the left side of the steering wheel.
– Press to increase the interval or to
decrease it.
Five different time intervals
can be selected and are
shown in the display as 1–5
horizontal bars. The greater
the number of bars, the longer
the time interval. No. of bars Approx. time interval
(in seconds) 1 1.0
2 1.4
3 1.8
4 2.2
5 2.6
The number of bars indicating the selected
time interval are shown while the setting is
being made and for several seconds afterward. G031394 G031396

04 Comfort and driving pleasureDistance alert 04
180 A smaller version of the symbol is then shown
to the right in the display. The same symbol is
also displayed when Adaptive Cruise Control is
activated.
NOTE
\b
The higher your vehicle’s speed, the
greater the distance to the vehicle
ahead, measured in feet (meters), for a
given time interval.
\b The set time interval is also used by
Adaptive Cruise Control, see page
174.
WARNINGOnly use a time interval that is suitable in
current traffic conditions.
LimitationsThe Distance Alert function uses the same
radar sensor used by Adaptive Cruise Control
and the Collision Warning system. See page
175 for more information on the radar sensor’s
limitations.
NOTE Strong sunlight, reflections, extreme light
contrasts, the use of sunglasses, or if the
driver is not looking straight ahead may
make the visual warning signal in the wind-
shield difficult to see.
WARNING \b
Bad weather or winding roads may
affect the radar sensor’s capacity to
detect vehicles ahead.
\b The size of the vehicle ahead, such as a
motorcycle, may also make it difficult to
detect. This may result in the warning
light illuminating at a shorter distance
than the one that has been set, or that
the light will not come on at all. Symbol Message Description
- Time interval while it is being set.
- Time interval after it has been set.

04 Comfort and driving pleasure
Distance alert04
181Symbol Message Description
Radar blockd
See manual Distance Alert has been temporarily disconnected because the radar is ob\
structed in some way and
cannot detect other vehicles.

See page 175 for information on the radar sensor’s limitations.Collision warn.
Service required Distance Alert or Collision Warning with Auto-brake is not functioning p\
roperly. Contact a trained and
qualified Volvo service technician.

04 Comfort and driving pleasureDriver Alert System* 04
182
* Option/accessory, for more information, see Introduction.
Introduction
The Driver Alert System is designed to help a
driver who may be becoming fatigued or who
is inadvertently leaving the lane.
The Driver Alert System consists of two differ-
ent functions that can be switched on together
or separately.
\b
Driver Alert Control (DAC)
\b Lane Departure Warning (LDW)
When one or both of the functions has been
switched on, it is in standby mode and is acti-
vated when the vehicle exceeds a speed of
40 mph (65 km/h).
The function deactivates if speed goes under
37 mph (60 km/h).
Both functions use a camera that is dependent
on the road/lane being clearly marked by pain-
ted lines on each side.
WARNING The Driver Alert system does not function in
all situations and is designed to be a sup-
plementary aid. It is not, however, intended
to replace the driver’s attention and judge-
ment. Driver Alert Control (DAC)–general
information
This function is intended to alert the driver if
his/her driving becomes erratic, such as if the
driver is distracted or fatigued. The camera has
certain limitations, see page 170.
A camera monitors the painted lines marking
the lane in which the vehicle is traveling and
compares the direction of the road with the
driver’s movements of the steering wheel. The
driver is alerted if the vehicle does not follow
the lane smoothly.
NOTE
The camera has certain limitations, see
page 162. DAC is designed to help detect a slowly chang-
ing driving pattern. It is primarily intended to be
used on main roads and is not meant for use in
city traffic.
WARNING
\b
DAC is not intended to extend the dura-
tion of driving. Always plan breaks at
regular intervals to help remain alert.
\b In certain cases, fatigue may not affect
the driver’s behavior. In situations of
this type, no warning will be provided.
Therefore, it is important to take breaks
at regular intervals, regardless of
whether or not DAC has given a warn-
ing.
LimitationsIn certain situations, DAC may provide warn-
ings even if the driver’s driving pattern has not
become erratic.
\b
if the driver is testing the LDW function
\b in strong crosswinds
\b on grooved road surfaces. G017332

04 Comfort and driving pleasure
Driver Alert System*04
}}
* Option/accessory, for more information, see Introduction. 183
Operating DAC
Certain settings can be made from the menu
system controlled from the center instrument
panel, see page 122 for more information on
the menu system.
The current system status can be checked on
the trip computer’s display by using the but-
tons on the left steering wheel lever. Thumb wheel. Turn this wheel until
Driver
Alert is displayed. The second line shows
the alternative Off, Unavailable, or
[-----], i.e., the number of bars. READbutton. Confirms and erases a mes-
sage in the display.
Activating DACIn the center instrument panel, go to
Car
settings Driver Alert and select On.
The function is activated when the
vehicle exceeds a speed of 40 mph
(65 km/h). The display will show level
markings of 1–5 bars, where a low
number of bars indicates erratic driving. A high
number of bars indicates stable driving. If the vehicle is being driven erratically, the
driver will be alerted by an audible signal and
the message Driver Alert, Time for a break is
displayed. The warning will be repeated after a
short time if the driving pattern remains the
same.WARNING
\b
An alert should be taken seriously since
it is sometimes difficult for a driver to
realize that he/she is fatigued.
\b In the event of a warning or if the driver
feels fatigued, stop as soon as possible
in a safe place and rest. G01732
9

04 Comfort and driving pleasure
Driver Alert System*04
}}
* Option/accessory, for more information, see Introduction. 185
Lane Departure Warning (LDW)–
general information
This function is designed to help reduce the
risk of accidents in situations where the vehicle
leaves its lane and there is a risk of driving off
the road or into the opposite lane. LDW con-
sists of a camera that monitors the lane’s side
marker lines. The driver is alerted by an audible
signal if the vehicle crosses a side marker line
or the road’s center dividing line. Operation and function
LDW can be switched on or off by pressing the
button on the center console. A light in the but-
ton illuminates when the function is on.
The trip computer display shows Lane Depart
Warn Unavailable when the function is in
standby mode.
When LDW is in standby mode, the function is
activated automatically after the camera has
monitored the road’s side marker lines and the
vehicle’s speed exceeds 40 mph (65 km/h).
Lane Depart Warn Available will be dis-
played.If the camera can no longer monitor the road’s
side marker lines, or if the vehicle’s speed falls
below 37 mph (60 km/h), LDW will return to
standby mode and
Lane Depart Warn
Unavailable will be displayed.
If the vehicle unexpectedly crosses the lane’s
left or right side marker lines, the driver will be
alerted by an audible signal.
No warning signal will be given in the follow-
ing situations:
\b The turn signal is being used
\b The driver’s foot is on the brake pedal 1
\b The throttle pedal is pressed quickly
\b If the steering wheel is moved quickly
\b In sharp turns that cause the vehicle’s
body to sway.
See page 162 for information on the camera’s
limitations.
WARNING The driver will only be warned once for each
time the wheels cross a marker line. No
alarm will be given if a marker line is
between the wheels.
1
A warning will be given even when Increased sensitivity has been selected. G032699 G032014