Volvo S90 (2019 year). Instruction - part 19

 

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Volvo S90 (2019 year). Instruction - part 19

 

 

DRIVER SUPPORT

}}

* Option/accessory.

321

Pilot Assist limitations

Pilot Assist functionality may be reduced in cer-
tain situations.

Pilot Assist is a driver support function designed
to simplify driving and assist the driver in many
situations. However, the driver is always responsi-
ble for maintaining a suitable distance to vehicles
or objects around it and ensuring that the vehicle
is correctly positioned in the traffic lane.

WARNING

In some situations, Pilot Assist may have trou-

ble helping the driver properly or may be

deactivated automatically – we advise against

using Pilot Assist in such cases. Examples of

such situations include:

the lane markings are worn, missing or
cross each other.

lane division is unclear, for example, when
the lanes divide or merge or at exits or
when there are multiple sets of markings.

edges or other lines than lane markings
are present on or near the road, e.g.
curbs, joints or repairs to the road sur-
face, edges of barriers, roadside edges or
strong shadows.

the lane is narrow or winding.

the lane contains ridges or holes.

weather conditions are poor, e.g. rain,
snow or fog or slush or reduced visibility
with poor light conditions, backlighting,
wet road surface, etc.

The driver should also note that Pilot Assist

has the following limitations:

High curbs, roadside barriers, temporary
obstacles (traffic cones, safety barriers,
etc.) are not detected. Alternatively, they
may be detected incorrectly as lane mark-
ings, with a subsequent risk of contact
between the vehicle and such obstacles.

The driver is responsible for ensuring that
the vehicle maintains a suitable distance
from such obstacles.

The camera and radar sensors do not
have the capacity to detect all oncoming
objects and obstacles in traffic environ-
ments, e.g. potholes, stationary obstacles
or objects that completely or partially
block the route.

Pilot Assist does not "see" pedestrians,
animals, etc.

The recommended steering input is lim-
ited in force, which means that it cannot
always help the driver to steer and keep
the vehicle within the lane.

In vehicles equipped with Sensus
Navigation*, the function is able to use
information from map data, which could
cause variations in performance.

Pilot Assist is switched off if the power
steering is working with reduced power -
e.g. during cooling due to overheating
(see section "Speed-dependent steering
force").

The driver can always correct or adjust steering
assistance provided by Pilot Assist by turning the
steering wheel to the desired position.

||

DRIVER SUPPORT

* Option/accessory.

322

Steep roads and/or heavy loads

Pilot Assist is primarily intended to be driven on
flat roads. The function may not be able to main-
tain the correct time interval to the vehicle ahead
when driving down steep hills. The driver should
be extra attentive and prepared to apply the
brakes.

Do not use Pilot Assist if the vehicle is carry-
ing a heavy load or towing a trailer.

NOTE

Pilot Assist cannot be activated if a trailer,
bike carrier or similar is connected to the
vehicle electrical system.

Other limitations

The 

Off Road

 drive mode cannot be

selected when Pilot Assist is activated.

NOTE

The function uses the vehicle's combined
camera and radar unit, which has certain gen-
eral limitations; see sections "Camera limita-
tions" and "Radar sensor limitations".

Related information

Pilot Assist (p. 308)

Speed-dependent steering wheel resistance
(p. 270)

Camera limitations (p. 330)

Radar sensor limitations (p. 325)

Pilot Assist* symbols and messages

A number of symbols and messages relating to
Pilot Assist may be displayed in the instrument
panel and/or the head-up display*.

DRIVER SUPPORT

}}

323

Several examples

58

 are provided below.

The previous illustration

59

 shows that Pilot Assist

is set to maintain a speed of 110 km/h (68 mph)
and that there is no target vehicle ahead to fol-
low.

Pilot Assist will not provide any steering assis-
tance because it cannot detect the lane's side
marking lines.

The previous illustration

59

 shows that Pilot Assist

is set to maintain a speed of 110 km/h (68 mph)
and is following a target vehicle ahead that is
traveling at the same speed.

Pilot Assist will not provide any steering assis-
tance because it cannot detect the lane's side
marking lines.

The previous illustration

59

 shows that Pilot Assist

is set to maintain a speed of 110 km/h (68 mph)
and is following a target vehicle ahead that is
traveling at the same speed.

In this example, Pilot Assist will also provide
steering assistance because it can detect the
lane's side marking lines.

58

In the following illustration, Road Sign Information (RSI) indicates that the maximum permitted speed is 130 km/h (80 mph).

59

Note: This illustration is general and details may vary depending on model.

||

DRIVER SUPPORT

* Option/accessory.

324

The previous illustration

59

 shows that Pilot Assist

is set to maintain a speed of 110 km/h (68 mph)
and that there is no target vehicle ahead to fol-
low.

Pilot Assist will provide steering assistance
because it can detect the lane's side marking
lines.

Related information

Pilot Assist (p. 308)

Radar sensor

The radar sensor is used by several driver sup-
port systems to detect other vehicles.

Note: This illustration is general and details may vary
depending on model.

The radar sensor is used by the following func-
tions:

Distance Alert*

Adaptive Cruise Control*

Lane Keeping Aid

Pilot Assist*

City Safety

Any modifications to the radar sensor may make
its use illegal.

Related information

Radar sensor limitations (p. 325)

Recommended maintenance for the radar
sensor (p. 328)

Radar sensor type approval (p. 328)

59

Note: This illustration is general and details may vary depending on model.

DRIVER SUPPORT

}}

325

Radar sensor limitations

The radar sensor used by several of the driver
support functions has certain limitations, which
also affect the functions using the radar sensor.

Obstructed camera

The area marked in the illustration must be kept free of
decals, objects, solar film, etc.

60

The radar sensor is located on the upper interior
section of the windshield along with the camera.

CAUTION

Do not place, affix or mount anything on the
inside or outside of the windshield, or in front
of or around the camera and radar unit – this
could disrupt camera and radar-based func-
tions.

It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.

If this symbol and the message
"

Windscreen sensor

 

Sensor

blocked, see Owner's manual

" is

displayed in the instrument panel, it

means that the camera and radar sensor are
unable to detect other vehicles, cyclists, pedes-
trians and large animals in front of the vehicle
and that the vehicle's camera and radar-based
functions may be obstructed, reduced, completely
disabled or providing inaccurate responses.

The following table shows some of the situations that can cause the message to be displayed, and suggested actions:

Cause

Action

The area of the windshield in front of the camera/radar sensor is dirty or
covered by ice or snow.

Clean the windshield in front of the camera/radar sensor and remove dirt, ice
and snow.

Thick fog, heavy rain or snow is blocking the radar signals or the camera's
range of visibility.

No action. Heavy precipitation may sometimes prevent the camera/radar sensor
from functioning.

60

Note: This illustration is general and details may vary depending on model.

||

DRIVER SUPPORT

326

Cause

Action

Water or snow is spraying/swirling up and blocking the radar signals or
the camera's range of visibility.

No action. Very wet or snow-covered roads may sometimes prevent the cam-
era/radar sensor from functioning.

There is dirt between the inside of the windshield and the camera/radar
sensor.

Consult a workshop to have the area of the windshield on the inside of the cam-
era's casing cleaned. An authorized Volvo workshop is recommended.

NOTE

Keep the windshield in front of the camera
and radar unit clean.

Vehicle speed

The radar sensor's ability to detect a vehicle
ahead is significantly reduced if:

the speed of the vehicle ahead differs greatly
from your vehicle's speed

Limited field of vision

The radar sensor has a limited field of vision. In
some situations, it may detect a vehicle later than
expected or not at all.

The radar sensor's field of vision.

The radar sensor's detection of vehicles very
close to your vehicle may be delayed in cer-
tain situations, e.g. if a vehicle pulls in

between your vehicle and the vehicle directly
ahead.
Small vehicles, such as motorcycles, or vehi-
cles that are not driving in the center of the
lane may remain undetected.
In curves, the radar may detect the wrong
vehicle or lose sight of a target vehicle.

Low trailers

Low trailer in the radar shadow.

Low trailers may also be difficult or even impossi-
ble for the radar to detect. The driver should be
extra alert when driving behind vehicles towing
low trailers when Adaptive Cruise Control or Pilot
Assist is activated.

DRIVER SUPPORT

327

High temperatures

If the temperature in the passenger compartment
is very high, the camera/radar sensor will switch
off temporarily for approx. 15 minutes after the
engine is started to protect its electronic compo-
nents. When the temperature has cooled suffi-
ciently, the camera/radar sensor will automati-
cally restart.

Damaged windshield

CAUTION

If there are cracks, scratches or stone chips
on the windshield in front of any of the cam-
era and radar unit "windows" and this covers
an area of about 0.5 × 3.0 mm
(0.02 × 0.12 in.) or more, contact a workshop
to have the windshield replaced – an author-
ized Volvo workshop is recommended.

Failure to take action could result in reduced
performance for the driver support systems
that use the camera and radar unit.

It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.

To avoid the risk of loss of function, malfunc-
tion or reduced function of the driver support
systems that use the radar unit, the following
also apply:

Volvo advises against repairing cracks,
scratches or stone chips in the area in
front of the camera and radar unit – the
entire windshield should instead be
replaced.

Before replacing the windshield, contact
an authorized Volvo workshop to verify
that the right windshield has been
ordered and installed.

The same type of windshield wipers or
wipers approved by Volvo should be used
for replacement.

CAUTION

If the windshield is replaced, the camera and
radar unit must be recalibrated by a workshop
to help ensure proper functioning of all of the
vehicle's camera and radar-based systems –
an authorized Volvo workshop is recom-
mended.

Related information

Radar sensor (p. 324)

DRIVER SUPPORT

328

Recommended maintenance for the

radar sensor

In order for the camera/radar sensor to function
properly, the area of the windshield in front of the
unit must be kept free of dirt, ice, snow, etc. and
should be washed regularly with water and car
washing detergent.

NOTE

Dirt, ice and snow covering the camera and
radar unit reduce their function and can make
measurement impossible.

It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.

Related information

Radar sensor (p. 324)

Radar sensor type approval

The type approval for the vehicle radar sensor in
the ACC

61

, PA

62

 and BLIS

63

 functions can be

read here.

ACC, PA and BLIS

USA & Canada:

FCC ID: L2C0054TR IC: 3432A-0054TR

FCC ID: L2C0055TR IC: 3432A-0055TR

This device complies with Part 15 of the FCC
Rules and with Industry Canada license-exempt
RSS standard(s).

Operation is subject to the following two
conditions:

(1) This device may not cause harmful
interference, and

(2) This device must accept any interference
received, including interference that may cause
undesired operation.

Cet appareil est conforme aux CNR d’Industrie
Canada a applicables aux appareils radio
exempts de licence. L’exploitation est autorisée à
condition que l'appareil ne produise pas de
brouillage préjudiciable et qu'il accepte tout
brouillage, même celui susceptible d'en
compromettre le fonctionnement.

Note: Changes or modifications not expressively
approved by the party responsible for compliance
could void the user's authority to operate the
equipment. The term “IC:” before the radio
certification number only signifies that Industry
Canada technical specifications were met.

Note: This equipment complies with radiation
exposure limits set forth for an uncontrolled
environment. This equipment should be installed
and operated with minimum distance of 20 cm
between the radiator and your body.

Related information

Radar sensor (p. 324)

61

Adaptive Cruise Control

62

Pilot Assist

63

Blind Spot Information

DRIVER SUPPORT

* Option/accessory.

329

Camera

The camera is used by several driver support
systems to e.g. detect lane marker lines or road
signs.

Note: This illustration is general and details may vary
depending on model.

The camera is used by the following functions:

Adaptive Cruise Control*

Pilot Assist*

Lane Keeping Aid*

Steering assistance at risk of collision

City Safety

Driver Alert Control*

Road Sign Information*

Active high beams*

Related information

Camera limitations (p. 330)

Recommended maintenance for the camera/
radar sensor (p. 333)

DRIVER SUPPORT

330

Camera limitations

The camera used by several of the driver support
functions has certain limitations, which also
affect the functions using the camera.

Reduced visibility

The camera has the same limitations as the
human eye. In other words, its “vision" is impaired
by adverse weather conditions such as heavy
snowfall/rain, dense fog, swirling dust/snow, etc.
These conditions may reduce the function of sys-
tems that depend on the camera or cause these
systems to temporarily stop functioning.

Strong sunlight, reflections from the road surface,
ice or snow covering the road, a dirty road sur-
face, or unclear lane marker lines may drastically
reduce the camera’s ability to detect the side of a
lane, a pedestrian, a cyclist, a large animal or
another vehicle.

Obstructed camera

The area marked in the illustration must be kept free of
decals, objects, solar film, etc.

64

The camera is located on the upper interior sec-
tion of the windshield along with the radar sen-
sor.

CAUTION

Do not place, affix or mount anything on the
inside or outside of the windshield, or in front
of or around the camera and radar unit – this
could disrupt camera and radar-based func-
tions.

It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.

If this symbol and the message

Windscreen sensor

 

Sensor

blocked, see Owner's manual

” is

displayed in the instrument panel, it

means that the camera and radar sensor are
unable to detect other vehicles, cyclists, pedes-
trians and large animals in front of the vehicle
and that the vehicle's camera and radar-based
functions may be obstructed, reduced, completely
disabled or providing inaccurate responses.

The following table shows some of the situations
that can cause the message to be displayed, and
suggested actions:

64

Note: This illustration is general and details may vary depending on model.

DRIVER SUPPORT

}}

}}

331

Cause

Action

The area of the windshield in front of the camera/radar sensor is
dirty or covered by ice or snow.

Clean the windshield in front of the camera/radar sensor and remove dirt, ice and
snow.

Thick fog, heavy rain or snow is blocking the radar signals or the
camera's range of visibility.

No action. Heavy precipitation may sometimes prevent the camera/radar sensor from
functioning.

Water or snow is spraying/swirling up and blocking the radar signals
or the camera's range of visibility.

No action. Very wet or snow-covered roads may sometimes prevent the camera/
radar sensor from functioning.

There is dirt between the inside of the windshield and the camera/
radar sensor.

Consult a workshop to have the area of the windshield on the inside of the camera's
casing cleaned. An authorized Volvo workshop is recommended.

Bright sunlight.

No action. The camera/radar sensor will reset automatically when lighting conditions
improve.

NOTE

Keep the windshield in front of the camera
and radar unit clean.

High temperatures

If the temperature in the passenger compartment
is very high, the camera/radar sensor will switch
off temporarily for approx. 15 minutes after the
engine is started to protect its electronic compo-
nents. When the temperature has cooled suffi-
ciently, the camera/radar sensor will automati-
cally restart.

Damaged windshield

CAUTION

If there are cracks, scratches or stone chips
on the windshield in front of any of the cam-
era and radar unit "windows" and this covers
an area of about 0.5 × 3.0 mm
(0.02 × 0.12 in.) or more, contact a workshop
to have the windshield replaced – an author-
ized Volvo workshop is recommended.

Failure to take action could result in reduced
performance for the driver support systems
that use the camera and radar unit.

It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.

To avoid the risk of loss of function, malfunc-
tion or reduced function of the driver support
systems that use the radar unit, the following
also apply:

Volvo advises against repairing cracks,
scratches or stone chips in the area in
front of the camera and radar unit – the
entire windshield should instead be
replaced.

Before replacing the windshield, contact
an authorized Volvo workshop to verify

||

DRIVER SUPPORT

332

that the right windshield has been
ordered and installed.

The same type of windshield wipers or
wipers approved by Volvo should be used
for replacement.

CAUTION

If the windshield is replaced, the camera and
radar unit must be recalibrated by a workshop
to help ensure proper functioning of all of the
vehicle's camera and radar-based systems –
an authorized Volvo workshop is recom-
mended.

Related information

Camera (p. 329)

DRIVER SUPPORT

}}

333

Recommended maintenance for the

camera/radar sensor

In order for the camera/radar sensor to function
properly, the area of the windshield in front of
the unit must be kept free of dirt, ice, snow, etc.
and should be washed regularly with water and
car washing detergent.

NOTE

Dirt, ice and snow covering the camera and
radar unit reduce their function and can make
measurement impossible.

It could cause functions to be reduced, deac-
tivated completely or produce an incorrect
function response.

Related information

Camera (p. 329)

City Safety

City Safety can alert the driver with light, sound
and pulsations in the brake pedal to help the
driver detect pedestrians, cyclists, large animals
and vehicles that appear suddenly – the vehicle
will then attempt to automatically brake if the
driver does not act within a reasonable amount
of time.

Location of the camera and radar sensor

65

.

City Safety can help prevent a collision or lower
the vehicle's speed at the point of impact.

City Safety is an aid intended to assist the driver
if a collision with a pedestrian, large animal,
cyclist or vehicle is imminent.

City Safety can help the driver avoid a collision
when e.g. driving in stop-and-go traffic, when

changes in the traffic ahead and driver distraction
could lead to an incident.

The function assists the driver by automatically
applying the brakes if there is an imminent risk of
a collision and the driver does not react in time by
braking and/or steering away.

City Safety activates a brief, forceful braking in an
attempt to stop your vehicle immediately behind
the vehicle or object ahead.

City Safety is activated in situations in which the
driver should have applied the brakes much ear-
lier, which means that the system will not be able
to assist the driver in all situations.

City Safety is designed to be activated as late as
possible to help avoid unnecessary intervention.

Normally, the occupants of the vehicle will not be
aware of City Safety except when the system
intervenes when a collision is imminent.

65

Note: This illustration is general and details may vary depending on model.

||

DRIVER SUPPORT

334

WARNING

The City Safety function is supplementary
driver support intended to help improve
driving safety – it cannot handle all situa-
tions in all traffic, weather and road condi-
tions.

The City Safety auto-brake function can
prevent a collision or reduce collision
speed, but to ensure full brake perform-
ance the driver should always depress the
brake pedal – even when the car auto-
brakes.

The warning and steering assistance are
only activated if there is a high risk of col-
lision – you must therefore never wait for
the collision warning or City Safety to
intervene.

Warnings and brake interventions for
pedestrians and cyclists are disengaged
at vehicle speeds over 80 km/h
(50 mph).

City Safety does not activate auto-braking
intervention during heavy acceleration.

City Safety is not a substitute for the driv-
er's attention and judgment. The driver is
always responsible for ensuring the vehi-
cle is driven in a safe manner, at the
appropriate speed, with an appropriate
distance to other vehicles, and in accord-
ance with current traffic rules and regula-
tions.

The driver is advised to read all sections
in the Owner's Manual that relate to City
Safety to learn about factors such as its
limitations and what the driver should be
aware of before using the system (see
the list of links for all subsections).

Related information

City Safety parameters and sub-functions
(p. 334)

Setting a warning distance for City Safety
(p. 336)

Detecting obstacles with City Safety (p. 337)

City Safety in crossing traffic (p. 339)

Limitations of City Safety in crossing traffic
(p. 340)

City Safety and delayed evasive maneuvers
(p. 341)

City Safety braking for oncoming vehicles
(p. 342)

City Safety limitations (p. 343)

City Safety messages (p. 345)

City Safety parameters and sub-

functions

City Safety can help avoid a collision with a vehi-
cle, cyclist or large animal ahead by reducing the
vehicle's speed using its automatic braking func-
tion.

If the difference in speed is greater than the
speeds specified below, the City Safety auto-
brake function cannot prevent a collision, but it
can help mitigate its effects.

Vehicles

City Safety can help prevent a collision with a
vehicle ahead by reducing your vehicle's speed
by up to 60 km/h (37 mph).

Cyclists

City Safety can help prevent a collision with a
cyclist ahead by reducing your vehicle's speed by
up to 50 km/h (30 mph).

Pedestrians

City Safety can help prevent a collision with a
pedestrian ahead by reducing your vehicle's
speed by up to 45 km/h (28 mph).

DRIVER SUPPORT

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* Option/accessory.

335

Large animals

If there is a risk of colliding with a large animal,
City Safety can help reduce your vehicle's speed
by up to 15 km/h (9 mph).

The braking function for large animals is primarily
intended to mitigate the force of a collision at
higher speeds. Braking is most effective at
speeds above 70 km/h (43 mph) and less effec-
tive at lower speeds.

City Safety sub-functions

Function overview

66

.

Acoustic collision warning signal

Collision warning symbol

Camera/radar sensor distance monitoring

City Safety carries out three steps in the follow-
ing order:

1. Collision warning
2. Brake assistance
3. Auto-brake
Descriptions of what happens in these three
steps are provided below.

1 - Collision warning

The driver is first alerted to the risk of an immi-
nent collision.

In vehicles equipped with a head-up display*, a
flashing warning symbol will be displayed on the
windshield.

Collision warning symbol on the windshield

67

.

NOTE

Visual warnings on the windshield may be dif-
ficult to notice in cases of strong sunlight,
reflections, extreme light contrasts, or if the
driver is wearing sunglasses or is not looking
straight ahead.

City Safety can detect pedestrians, cyclists or
vehicles that are stationary, are moving in the
same direction as your vehicle and are ahead of
your vehicle. City Safety can also detect pedes-
trians, cyclists or large animals that are crossing
the road in front of your vehicle.

If there is a risk of a collision with a pedestrian,
large animal, cyclist or another vehicle, or with a
vehicle described in the section "City Safety in
crossing traffic", the driver will be alerted with
light, sound and pulsations in the brake pedal. At
lower speeds, during hard braking or if the accel-
erator pedal is pressed, the brake pedal pulsation
warning will not be given. The intensity of the
brake pedal pulsations varies according to the
vehicle's speed.

66

Note: This illustration is general and details may vary depending on model.

67

Note: This illustration is general and details may vary depending on model.

||

DRIVER SUPPORT

336

2 - Brake assistance

If the risk of a collision increases after the colli-
sion warning, brake support will be activated.

If the system determines that the pressure the
driver is exerting on the brake pedal is insufficient
to prevent the collision, brake support will
increase pressure.

3 - Auto-brake

The automatic braking function is activated at the
last moment.

If the driver has not taken evasive action by this
stage and a collision is imminent, the automatic
braking function will be triggered. This occurs
whether or not the driver is pressing the brake
pedal. Full braking force will be applied to reduce
the speed at impact or reduced braking effect will
be applied if this is sufficient to avoid the colli-
sion.

The seat belt tensioners may be activated along
with the automatic braking function. See "Seat
belt tensioners" for more information.

In certain situations, auto-braking may begin with
a limited braking force before applying full brak-
ing force.

If City Safety has prevented a collision, the vehi-
cle will be kept at a standstill until the driver
takes action. If the vehicle has slowed to avoid
colliding with a slower-moving vehicle ahead, your
speed will be reduced to that vehicle's speed.

Auto-braking can always be cancelled if the
driver presses hard on the accelerator pedal.

NOTE

When City Safety activates the brakes, the
brake lights come on.

When City Safety applies the brakes, a text mes-
sage will appear in the instrument panel to notify
the driver that the function is/was activated.

WARNING

City Safety may not be used to change how

the driver operates the vehicle. The driver

must not only rely on City Safety to brake the

vehicle.

Related information

City Safety™ (p. 333)

Setting a warning distance for City

Safety

City Safety is always active, but the function's
warning distance can be adjusted.

NOTE

The City Safety function cannot be deacti-
vated. It is activated automatically each time
the engine/electric motor is started.

The alert distance determines the sensitivity of
the system and regulates the distance at which
the light, sound and brake pulsations will be acti-
vated.

To select warning distance:

1. Select 

Settings

My Car

IntelliSafe

 in

the center display's Top view.

2. Under 

City Safety Warning

, tap 

Late

,

Normal

 or 

Early

 to set the desired warning

distance.

If the driver feels that the 

Early

 setting is giving

too many warnings or finds them irritating, the

Normal

 or 

Late

 warning distance settings can

be selected instead.

If the driver feels that the warnings are too fre-
quent and distracting, the warning distance can
be reduced. This will reduce the total number of
warnings, but it will also result in City Safety pro-
viding warnings at a later stage.

 

 

 

 

 

 

 

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