wheel VOLVO XC60 2009 Owner´s Manual

04 Comfort and driving pleasure
Stability system04
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155
Introduction
The Dynamic Stability and Traction Control
system (DSTC) consists of a number of func-
tions designed help reduce wheel spin, coun-
teract skidding, and to generally help improve
directional stability.
CAUTION
A pulsating sound will be audible when the
system is actively operating and is normal.
Traction control (TC)This function is designed to help reduce wheel
spin by transferring power from a drive wheel
that begins to lose traction to the wheel on the
opposite side of the vehicle (on the same axle).
TC is most active at low speeds.
This is one of DSTC\fs permanent functions and
cannot be switched off.
Active Yaw Control (AYC)This function helps maintain directional stabil-
ity, for example when cornering, by braking
one or more of the wheels if the vehicle shows
a tendency to skid or slide laterally.
This is one of DSTC\fs permanent functions and
cannot be switched off.
Spin control (SC)The spin control function is designed to help
prevent the drive wheels from spinning while
the vehicle is accelerating.
Under certain circumstances, such as when
driving with snow chains, or driving in deep
snow or loose sand, it may be advisable to
temporarily switch off this function for maxi-
mum tractive force.
WARNING
The car\fs handling and stability characteris-
tics will be altered if the spin control function
has been disabled.
Operation
Temporarily switching off Spin control1.
Turn the thumbwheel until the DSTC
menu is shown.
2. Hold down the RESET button to toggle
between DSTC SPIN CONTROL ON or
OFF.
Messages in the information display
DSTC Temporarily OFF – system function
has been temporarily reduced due to high
brake disc temperature. The function is acti-
vated automatically when the brakes have
cooled.
DSTC Service required – the system has
been disabled due to a fault. If this occurs:
1. Stop the vehicle in a safe place and turn off
the engine.
2. Restart the engine.
If the message remains when the engine is
restarted, drive to an authorized Volvo work-
shop to have the system inspected.
Symbols in the instrument panel
If the symbols and are dis-
played at the same time, read the message in
the information display. G02140
9

04 Comfort and driving pleasureStability system 04
156 If the symbol appears alone, it may
appear as follows:
\b If the symbol flashes, this indicates that the
stability system is actively functioning to
help counteract wheel spin and/or a skid.
\b If the symbol remains on for approximately
2 seconds after the engine has been
started, this indicates that the system is
performing a self-diagnostic test.
WARNING The stability system is intended to help
improve driving safety. It supplements, but
can never replace, the driver\fs judgment
and responsibility when operating the vehi-
cle. Speed and driving style should always
be adapted to traffic and road conditions.

04 Comfort and driving pleasureCruise control 04
158 Operation
Steering wheel-mounted controls and display
Standby mode
Resume set speed
Deactivating
Activate/set speed
Set speed indicator (parentheses indicate
standby mode)
Engaging the cruise control functionBefore a speed can be set, the cruise control
system must be engaged (put in standby
mode).
–
Press the CRUISE button (1). >
The symbol illuminates and the text
(---) mph (5) indicates that cruise con-
trol is in standby mode.
NOTE This does not set the vehicle\fs speed.
Setting a speed
Use the
or buttons set the vehicle\fs cur-
rent speed. The set speed is shown in the dis-
play.
NOTE Cruise control cannot be engaged at
speeds below 20 mph (30 km/h).
Adjusting the set speedAfter a speed has been set, it can be increased
or decreased by using the
or buttons.
1. Press and hold down or until the
vehicle reaches the desired speed.
> This will become the set speed when the
button is released.
2. Press or for approximately a half
second and release the button to increase
or decrease vehicle speed by approxi-
mately 1 mph (1.6 km/h).
NOTE \b
A temporary increase in speed by
pressing the accelerator pedal, for less
than 1 minute (e.g. when passing
another car), does not affect the current
cruise control setting. The vehicle will
automatically return to the previously
set speed when the accelerator pedal is
released.
\b If one of the cruise control buttons is
kept depressed for more than approx.
1 minute cruise control is disengaged.
The engine must then be switched off in
order to reset cruise control.
Automatic deactivationCruise control is automatically deactivated
temporarily if one of the following occurs:
\b
If the speed drops below approximately
20 mph (30 km/h).
\b When the brake pedal is depressed.
\b If the gear selector is moved to position N.
\b During wheel spin or wheel lock-up.
\b If the vehicle\fs speed is increased by using
the accelerator pedal for more than 1
minute.
The currently set speed will be saved in the
system\fs memory. G022910

04 Comfort and driving pleasureCollision warning with Auto-brake* 04
162
* Option/accessory, for more information, see Introduction.
LimitationsStrong sunlight, reflections, extreme light con-
trasts, the use of sunglasses, or if the driver is
not looking straight ahead may make the visual
warning signal in the windshield difficult to see.
For this reason, always activate the audible
warning signal in such conditions.
NOTE The visual warning signal may be temporar-
ily disengaged in the event of high passen-
ger compartment temperature due to strong
sunlight, etc. If this occurs, the audible
warning signal will be used, even if it has
been deactivated in the menu system.
Warnings may not appear if the distance to the
vehicle ahead is very small or if steering wheel
and pedal movements are great, for example,
due to a very active driving style.
WARNING \b
In certain situations, the system cannot
provide warnings or warning may be
delayed if traffic conditions or other
external factors make it impossible for
the radar sensor or camera to detect the
vehicle ahead.
\b Warnings may not be provided if the
distance to the vehicle ahead is short,
or if movements of the steering wheel/
brake pedal are great, such as during
active driving.
\b The sensor system has a limited range
for stationary or slow-moving vehicles
and may therefore give delayed or no
warnings if your vehicle’s speed is
above approximately 45 mph
(70 km/h).
\b Warnings for stationary or slow-moving
vehicles may not be provided in dark
conditions. The Collision Warning system uses the same
radar sensors as Adaptive Cruise Control. For
more information on the radar sensor and its
limitations, see page 175

.
If no warning is given, or if a warning is delayed,
Auto-brake will also not be provided or will be
delayed.
NOTE If warnings are given too frequently, the
warning distance can be reduced (see
page 161). This causes the system to pro-
vide later warnings, which decreases the
total number of warnings provided.
The camera’s limitationsThe camera is used by Collision Warning with
Auto-brake, Driver Alert Control (see
page 182), and Lane Departure Warning (see
page 185).
NOTE
\b
To help protect the camera in very hot
conditions, it may be temporarily
switched off for approximately 15
minutes after the engine has been
started.
\b Keep the section of the windshield in
front of the camera clean and free of ice,
snow, or condensation.

04 Comfort and driving pleasure
City Safety™ 04
}}
167driver is always responsible for main-
taining a safe distance to the vehicle
ahead.
Function
Location of the laser sensor in the windshield
City Safety™ monitors traffic ahead of you
using a laser sensor mounted in the upper sec-
tion of the windshield. If a collision is imminent,
City Safety™ will automatically apply the
brakes at approximately 50% of the vehicle’s
full braking effect if you are traveling at speeds
between 2-18 mph (4-30 km/h).
\b
If the difference in speed between your
vehicle and the vehicle ahead is less than
approximately 9 mph (15 km/h), City Safety™ can help prevent a collision from
taking place.
\b If the difference in speed is between
approximately 10-18 mph (16-30 km/h),
City Safety™ alone cannot avoid a colli-
sion. The driver must apply the brakes for
full braking effect.
When the function activates and applies the
brakes, a message will appear in the informa-
tion display to indicate that the system is/has
been active.
NOTE \b
When City Safety™ applies the brakes,
the brake lights will illuminate.
\b In cases where City Safety™ has stop-
ped the vehicle, the system will then
release the brakes. The driver must
apply the brakes to keep the vehicle at
a standstill. Using City Safety™
NOTE
The City Safety™ function is activated auto-
matically each time the engine has been
switched off and restarted.
On and OffIn certain situations, it may be desirable to
switch City Safety™ off, such as when driving
in close quarters where leaves, branches, etc.
may obscure the hood and windshield.
Display and turn signal lever
Thumb wheel
RESET button
When the engine is running, City Safety™ can
be switched off as follows: G02140
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04 Comfort and driving pleasureCity Safety™ 04
168 1.
Use the thumb wheel to scroll until City
Safety is displayed.
2. Press the RESET button for approximately
1 second until Off is displayed.
WARNINGThe laser sensor emits light when the igni-
tion is in mode II or higher, even if City
Safety™ has been switched off.
To switch City Safety™ on again:
\b
Follow the same procedure as for switch-
ing City Safety™ off but select On by
pressing RESET.
or
\b Vehicles not equipped with keyless
drive: Press lightly on the remote key to
release it partially from the ignition slot.
Press the remote key into the ignition slot
again. Depress the brake pedal and press
the START/STOP ENGINE button to start
the engine. This restarts City Safety™

.
\b Vehicles equipped with the optional
keyless drive: Press the START/STOP
ENGINE button to switch off the engine.
Depress the brake pedal and press the
START/STOP ENGINE button to start the
engine. This restarts City Safety™.
See page 79 for information on ignition modes. City Safety™ will be automatically switched on
the next time the engine is started, even if it was
off when the engine was switched off.
Limitations
The sensor used by City Safety™ is designed
to detect cars and other larger motor vehicles
ahead of your vehicle in both daylight and dark-
ness.
However, there are certain limitations and the
laser sensor’s function may be reduced by, for
example, heavy rain or snowfall, or by dense
fog or thick, blowing dust or snow. Condensa-
tion, dirt, ice or snow on the windshield may
also interfere with the sensor’s function.
Objects such as warning flags hanging from
long objects on the roof or accessories such as
auxiliary lights or protective arches on the front
of the vehicle that are higher than the hood may
also impede the sensor’s function.
Braking distance to the vehicle ahead increa-
ses on slippery road surfaces, which may
reduce City Safety’s capacity to avoid a colli-
sion. In situations like this, the DSTC system
(see page 155) will help provide the best pos-
sible braking capacity and stability.
City Safety™ emits infrared light and measures
the way in which the light is reflected. There-
fore, vehicles or objects with low-reflective sur-faces may not be detected. Normally, the
license plate and taillight reflectors give the
rear section of a vehicle ahead sufficient reflec-
tive surfaces to be detected.
NOTE
\b
Keep the windshield in front of the laser
sensor free of ice, snow, dirt, etc. See
the illustration on page

167
\b Snow or ice on the hood deeper than
2 inches (5 cm) may obstruct the sen-
sor. Keep the hood free of ice and snow.
\b Do not mount or in any way attach any-
thing on the windshield that could
obstruct the laser sensor. Troubleshooting
If Windshield sensors blocked appears in
the information display, this indicates that the
City Safety™ laser sensor is obstructed in
some way and cannot detect vehicles ahead of
you, which means that the system is not func-
tioning.
However, this message will not be displayed in
all situations in which the sensor is obstructed.
For this reason, the driver must ensure that the
area of the windshield in front of the sensor is
always kept clean.

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 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 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