Volvo V90 Twin Engine (2018 year). Instruction — part 21
DRIVER SUPPORT
}}
* Option/accessory.
363
Sign display with Road Sign
Information
The Road Sign Information function (RSI
72
) reg-
isters and shows road signs in different ways
depending on the sign and the situation.
Example
73
of detected speed information.
When RSI detects a road sign with an imposed
speed limit, the driver display shows the sign as a
symbol plus an indication in red on the speedom-
eter.
An additional
73
sign, such as
"no overtaking", may be shown
together with the speed limit
symbol.
If the driver enters a road
marked with a no-entry sign at
the roadside, the symbol for
this sign
73
flashes on and off
on the driver display as a warn-
ing.
If the car is equipped with Sensus Navigation
*
then information from the map is also used to
determine whether the car is being driven in the
wrong direction.
The driver can also get an acoustic warning when
driving towards a no-entry entrance if the
Audio
Warning
function is activated - see the heading
"Activating/deactivating the acoustic warning" in
the section "Activating/deactivating Road Sign
Information".
Speed limit or end of motorway
When RSI detects an "indirect speed limit sign"
stating the end of the current speed limit - e.g. at
the end of a motorway - a symbol appears with
the corresponding road sign in the driver's dis-
play.
Example of indirect speed limit sign
73
:
End of all restrictions.
End of motorway.
The driver display symbol extinguishes after
10-30 seconds and remains so until the next
speed related sign is passed.
Changed speed limit
When passing a direct speed limit sign when a
speed limit changes, a symbol with the corres-
ponding road sign appears in the driver's display.
Example of direct speed limit
sign
73
.
72
Road Sign Information
73
Road signs are market-dependent - the illustrations in these instructions only show examples.
||
DRIVER SUPPORT
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The driver display symbol extinguishes after
about 5 minutes and remains so until the next
speed related sign is passed.
Sensus Navigation
If the car is equipped with Sensus Navigation,
speed information is read from the navigation
unit in the following cases:
•
On detection of signs that indirectly indicate
a speed limit, such as motorway, dual car-
riageway and city limit signs.
•
If a previously detected speed sign is
assumed not to apply any longer, but no new
sign has been detected.
If a downloaded third-party app is used for
navigation then there is no support for speed-
related information.
Additional signs
Examples of additional signs
73
.
Sometimes different speed limits are signed for
the same road - an additional sign then indicates
the circumstances under which the different
speeds apply. The road section may be particu-
larly susceptible to accidents in rain and/or fog,
for example.
An additional sign relating to rain is displayed
only if the windscreen wipers are in use.
If the car has a trailer attached and you pass a
speed sign with the additional sign “trailer”, the
indicated speed will appear on the driver display.
Some speed limits only apply
after a certain distance or at a
certain time of day. The driver's
attention is drawn to this fact
by means of a symbol for an
additional sign below the speed
symbol. The additional symbol
in the driver display will show either “DIST” or
“TIME”.
A symbol for additional sign in
the form of an empty frame
under the driver display's speed
symbol
73
means that the RSI
has detected an additional sign
with supplementary information
for the current speed limit.
Sign for "School" and "Children at play"
If the warning sign
73
for
"School" or "Children at play"
is included in the satellite navi-
gator's map data
74
, the driver
display shows a sign of this
type.
Related information
•
•
Road Sign Information with Speed Warning
and Settings (p. 365)
73
Road signs are market-dependent - the illustrations in these instructions only show examples.
74
Only in cars with Sensus Navigation
*.
DRIVER SUPPORT
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* Option/accessory.
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•
Road Sign Information with Speed Camera
Information
•
Limitations of Road Sign Information
Road Sign Information with Speed
Warning and Settings
The subfunction
Speed Limit Warning
for
RSI
75
is selectable - the driver can select On or
Off.
Speed Limit Warning
alerts the driver when the
applicable speed limit or set "speed limit" is
exceeded. The warning is repeated once if the
driver does not reduce speed.
The speed warning is given by
the driver display symbol
76
showing the applicable maxi-
mum permitted speed tempo-
rarily flashing when this speed
is exceeded.
A speed warning is always
given if the speed limit is
exceeded in connection with
speed camera information.
Activating/deactivating speed warnings
The subfunction
Speed Limit Warning
is acti-
vated as follows:
1. Select
Settings
My Car
IntelliSafe
Road Sign Information
in the centre
display's top view.
2. Select
Speed Limit Warning
.
> The function is activated and a speed limit
selector appears.
(see description for "speed limit selector "
under following heading)
75
Road Sign Information
76
Road signs are market-dependent - the illustration in these instructions only show one example.
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Adjust the limit for Speed Warning
The driver can select to receive a warning at a
lower or higher speed than the signed speed.
Select limit for speed warning as follows:
1. Select
Settings
My Car
IntelliSafe
Road Sign Information
in the centre
display's top view.
2. Select
Speed Limit Warning
.
> The function is activated and a speed limit
selector appears.
3. Adjust the limit for Speed Warning by press-
ing the up/down arrows on the screen.
Note that the function does not
give any consideration to
selected limit adjustment when
the driver display shows the
speed camera symbol.
Acoustic warning On/Off
It is also possible to receive an acoustic warning
in connection with Speed Warning.
Change setting for acoustic warning as follows:
1. Select
Settings
My Car
IntelliSafe
Road Sign Information
in the centre
display's top view.
2. Select/deselect
Audio Warning
to activate/
switch off the acoustic warning.
With the
Audio Warning
function activated, the
driver is also warned when driving towards one-
way traffic/no-entry entrance.
Related information
•
•
Sign display with Road Sign Information
(p. 363)
•
Road Sign Information with Speed Camera
Information
•
Limitations of Road Sign Information
Road Sign Information with Speed
Camera Information
*
A car equipped with RSI
77
and Sensus
Navigation
* can provide information on an
upcoming speed camera in the driver display.
Speed camera warning in the driver display
78
.
If the car exceeds a detected
speed limit, the driver can be
warned when the car
approaches a speed camera,
provided that the navigation
maps for the area in question
contain information on speed
cameras.
For more information about Speed warnings in
connection with speed cameras - see section
"Road Sign Information with Speed Warning and
DRIVER SUPPORT
* Option/accessory.
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Settings" and "Road Sign Information limita-
tions".
Information about speed cameras in the navi-
gation maps is not available for all markets/
areas.
Related information
•
•
Sign display with Road Sign Information
(p. 363)
•
Road Sign Information with Speed Warning
and Settings (p. 365)
•
Limitations of Road Sign Information
Limitations of Road Sign
Information
*
The Road Sign Information (RSI
79
) function may
have limitations in certain situations.
Examples of what can reduce the RSI are as fol-
lows:
•
Faded signs
•
Signs positioned on bends
•
Rotated or damaged signs
•
Signs positioned high above the roadway
•
Fully/partially obscured or poorly positioned
signs
•
signs completely or partly covered with frost,
snow and/or dirt
•
digital road maps
80
are out-of-date, inaccu-
rate or have no speed information
81
.
The RSI function may interpret some types of
bicycle rack, connected to the electrical
socket for trailers, as a connected trailer. In
such cases, the driver display may show incor-
rect speed information.
The function uses the car's camera unit,
which has some general limitations, see the
"Limitations for camera unit" section.
Related information
•
•
Road Sign Information with Speed Warning
and Settings (p. 365)
•
Sign display with Road Sign Information
(p. 363)
•
Limitations of the camera unit (p. 339)
77
Road Sign Information
78
NOTE: The illustration is schematic - details may vary depending on car model and market/area.
79
Road Sign Information
80
In cars equipped with Sensus Navigation.
81
Map data with speed information does not exist for all areas.
DRIVER SUPPORT
* Option/accessory.
368
Driver Alert Control
The Driver Alert Control (DAC) function is
intended to attract the driver's attention when he
or she starts to drive less consistently, e.g. if the
driver becomes distracted or starts to fall asleep.
The objective for DAC is to detect slowly deterio-
rating driving ability and it is primarily intended for
major roads. The function is not intended for city
traffic.
The function is activated when speed exceeds
65 km/h (40 mph) and remains active as long as
the speed is over 60 km/h (37 mph).
A camera detects the edge markings painted on
the carriageway and compares the alignment of
the road with the driver’s steering wheel move-
ments.
When driving behaviour starts
to become inconsistent, the
driver is alerted by this symbol
in the driver display, together
with the text message
Time
for a break soon?
.
If driving behaviour does not improve but
becomes noticeably inconsistent, the driver is
alerted by the same symbol in the driver display,
combined with an acoustic signal and the text
message
Time to take a break
.
If the
Rest Stop Guidance
function is activated
in Sensus Navigation
*, suggestions for a suitable
location for a break are also shown with the
Time to take a break
warning.
The warnings are repeated after a time if driving
behaviour has not improved.
WARNING
•
The Driver Alert Control function is sup-
plementary driver support intended to
facilitate driving and make it safer – it
cannot handle all situations in all traffic,
weather and road conditions.
•
Driver Alert Control should not be used to
extend a period of driving. The driver
should instead plan for breaks at regular
intervals and make sure they are well
rested.
•
Driver Alert Control is not a substitute for
the driver's attention and judgement. The
driver is always responsible for ensuring
the car 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.
WARNING
An alarm from Driver Alert Control should be
taken very seriously, as a sleepy driver is often
not aware of his/her own condition.
If the alarm sounds or you feel fatigued:
•
Stop the car safely as soon as possible
and rest.
Studies have shown that it is just as danger-
ous to drive while tired as it is to drive under
the influence of alcohol or other stimulants.
DRIVER SUPPORT
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Related information
•
Activate/deactivate Driver Alert Control
(p. 369)
•
Limitations of Driver Alert Control (p. 370)
Activate/deactivate Driver Alert
Control
The Driver Alert Control (DAC) function can be
activated/deactivated.
On/Off
To change settings in DAC:
1. Press
Settings
in the centre display's top
view.
2. Select
My Car
IntelliSafe
Driver Alert
Control
3. Select/deselect
Alertness Warning
to acti-
vate/deactivate DAC.
Select rest stop guidance in the event
of a warning
It is possible to select whether rest stop guid-
ance shall be activated or deactivated. With the
guidance activated, a suggestion of a suitable
rest stop is shown automatically at the same time
as DAC gives a warning.
To select
Rest Stop Guidance
:
1. Press
Settings
in the centre display's top
view.
2. Select
My Car
IntelliSafe
Driver Alert
Control
3. Select/deselect
Rest Stop Guidance
to
activate/deactivate the function.
Related information
•
•
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Limitations of Driver Alert Control
The Driver Alert Control (DAC) function may
have limitations in certain situations.
In some cases the system may issue a warning
despite driving ability not deteriorating, for exam-
ple:
•
in strong side winds
•
on rutted road surfaces.
WARNING
In some cases, driving behaviour is not affec-
ted despite driver fatigue – e.g. when using
the Pilot Assist function – resulting in the
driver not getting a warning from DAC.
It is therefore important to always stop and
take a break at the slightest feeling of fatigue,
whether the DAC function ha given a warning
or not.
The function uses the car's camera unit,
which has some general limitations, see the
"Limitations for camera unit" section.
Related information
•
•
Activate/deactivate Driver Alert Control
(p. 369)
•
Limitations of the camera unit (p. 339)
•
Lane Keeping Aid
The function of the Lane Keeping Aid (LKA
82
) is
to help the driver to reduce the risk of the car
accidentally leaving its own lane on motorways
and similar major routes.
Lane Keeping Aid steers the car back into its
lane and/or alerts the driver with vibrations in the
steering wheel.
Lane Keeping Aid is active within the speed
range 65-200 km/h (40-125 mph) on roads with
clearly visible side lines.
On narrow roads the function may be unavailable,
in which case it goes into standby mode. The
function becomes available again when the road
is wide enough.
A camera reads the side lines of the road/lane.
DRIVER SUPPORT
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371
Lane assistance steers the car back into its lane.
Lane assistance warns with steering wheel vibrations
83
.
Depending on settings, lane assistance acts in
accordance with the following:
•
Assist
84
activated: When the car is
approaching a lane line, LKA will actively
steer the car back into its lane by applying a
slight torque to the steering wheel.
•
Warning
84
activated: If the car is about to
cross a lane line, the driver is warned by
means of vibrations in the steering wheel.
When a direction indicator is switched on,
there are no steering corrections or alerts
from Lane assistance.
WARNING
•
The Lane Keeping Aid function is supple-
mentary driver support intended to
improve driving safety – it cannot handle
all situations in all traffic, weather and
road conditions.
•
The function is not a substitute for the
driver's attention and judgement. The
driver is always responsible for ensuring
the car 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.
Steering assistance
In order for LKA to function, the driver’s hands
must be on the steering wheel. The system moni-
tors this continuously.
If the driver does not keep
his/her hands on the steering
wheel, the driver display shows
this symbol and the following
message, to prompt the driver
to actively steer the car:
•
Lane Keeping Aid
Apply steering
82
Lane Keeping Aid
83
The steering wheel vibration varies - the longer the car remains outside the lane lines, the longer the vibration.
84
See the heading "Assistance alternatives for LKA" in the section "Activating/Deactivating Lane Keeping Aid".
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DRIVER SUPPORT
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If the driver does not then start to steer, the sym-
bol is shown again, combined with a warning
sound and this message:
•
Lane Keeping Aid
Standby until steering
applied
If the driver then still does not follow the prompt
to start steering, LKA is set in standby mode -
the function will then be unavailable until the
driver starts to steer the car again.
Lane assistance does not intervene
Lane assistance does not engage on sharp inside
curves.
In some situations, lane assistance allows lane
lines to be crossed without intervening with either
steering assistance or a warning - e.g. when
using the direction indicators or cutting bends.
Limitations
In certain demanding conditions Lane assistance
may have difficulty helping the driver correctly. In
such cases it is recommended to switch off this
function.
Examples of such conditions are:
•
road works
•
winter road conditions
•
poor road surface
•
a very “sporty” driving style
•
poor weather with reduced visibility
•
sharp edges or lines other than the lane lines
•
roads with unclear or non-existent line mark-
ings.
The function uses the car's camera unit,
which has some general limitations, see the
"Limitations for camera unit" section.
Related information
•
Activate/deactivate Lane Keeping Aid
(p. 373)
•
Steering assistance upon risk of lane depar-
ture (p. 378)
•
Steering assistance upon risk of rear-end
collision
•
Steering assistance upon risk of head-on
collision (p. 380)
•
Symbols and messages for lane assistance
(p. 374)
•
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Activate/deactivate Lane Keeping
Aid
The Lane Keeping Aid (LKA
85
) function is select-
able - the driver can select On or Off - and cer-
tain subfunctions can be selected.
On/Off
Press the
Lane Keeping Aid
button in the centre display's
function view.
•
GREEN button indication - LKA is activated.
•
GREY button indication - LKA is deactivated.
Select assistance option for LKA
The driver can select how LKA should react if the
car leaves its lane.
1. Select
Settings
My Car
IntelliSafe
in
the centre display's top view.
2. In the event of
Lane Keeping Aid Mode
,
select how LKA should react:
•
Assist
- the driver is given steering assis-
tance without a warning.
•
Both
- the driver is given both a warning
and steering assistance.
•
Warning
— warning to driver only.
Related information
•
Steering assistance upon risk of lane depar-
ture (p. 378)
•
•
Steering assistance upon risk of rear-end
collision
•
Steering assistance upon risk of head-on
collision (p. 380)
•
Symbols and messages for lane assistance
(p. 374)
85
Lane Keeping Aid
DRIVER SUPPORT
374
Symbols and messages for lane
assistance
A number of symbols and messages regarding
Lane assistance (LKA
86
) can be shown on the
driver display.
Symbol in the driver display
Lane assistance is visualised by
symbols in the driver display
depending on the situation.
Here are some examples of
symbols and the situations in
which they are shown:
Available
Available — the lane lines in the symbol are white.
Lane assistance is scanning one or both lane
lines.
Unavailable
Unavailable — the lane lines in the symbol are grey.
The Lane assistance cannot detect the lane lines,
the speed is too low or the road is too narrow.
Indication of steering assistance/warning
Steering assistance/warning - the lane lines in the sym-
bol are in colour.
Lane assistance indicates that the system is giv-
ing a warning and/or attempting to steer the car
back into the lane.
86
Lane Keeping Aid
DRIVER SUPPORT
* Option/accessory.
375
Symbols and messages
The following table shows some examples.
Symbol
Message
Specification
Driver support system
Reduced functionality Service required
The system does not function as it should. A workshop should be contacted - an authorised
Volvo workshop is recommended.
Windscreen sensor
Sensor blocked, see Owner's manual
The ability of the camera to scan the roadway in front of the car is reduced.
Lane Keeping Aid
Apply steering
The LKA steering assistance does not function if the driver does not have his/her hands on
the steering wheel. Follow the instruction and steer the car.
Lane Keeping Aid
Standby until steering applied
LKA is set in standby mode until the driver starts to steer the car again.
A text message can be cleared by briefly press-
ing the
button, located in the centre of the
steering wheel's right-hand keypad.
If a message remains: Contact a workshop – an
authorised Volvo workshop is recommended.
Related information
•
•
Activate/deactivate Lane Keeping Aid
(p. 373)
•
Steering assistance upon risk of rear-end
collision
•
Steering assistance upon risk of head-on
collision (p. 380)
•
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* Option/accessory.
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Assistance upon risk of collision
The
Collision Avoid. Assistance
function is
designed to help the driver reduce the risk of the
car leaving its lane unintentionally and/or collid-
ing with another vehicle or obstacle by actively
steering the car back into its lane and/or swerv-
ing.
The
Collision Avoid. Assistance
function con-
sists of three subfunctions:
•
Steering assistance upon risk of lane depar-
ture
•
Steering assistance upon risk of head-on
collision
•
Steering assistance upon risk of rear-end
collision
*
After automatic engagement, the driver display
indicates that this has occurred via a text mes-
sage:
•
Collision avoidance
assistance
:
Automatic intervention
It is always the driver who decides how much
the car should steer – the car can never take
command.
Activating/deactivating Assistance in
the event of a collision risk
The function can be selected - the driver can
choose to have it On or Off.
Proceed as follows to switch it off:
1. Select
Settings
My Car
IntelliSafe
in
the centre display's top view.
2. Deselect
Collision Avoidance Assistance
.
> The function is then disengaged.
When the
Collision Avoid. Assistance
function is deactivated, all subfunctions are
switched off:
•
Steering assistance at risk of lane depar-
ture
•
Steering assistance at risk of oncoming
collision
•
Steering assistance at risk of rear-end
collision
Even though it is possible to deactivate the
function, it is advisable for the driver to always
have it activated since it improves driving
safety in most cases.
Related information
•
Steering assistance upon risk of lane depar-
ture (p. 378)
•
Symbols and messages for assistance upon
risk of collision (p. 377)
•
Steering assistance upon risk of head-on
collision (p. 380)
•
Steering assistance upon risk of rear-end
collision
•
DRIVER SUPPORT
377
Symbols and messages for
assistance upon risk of collision
A number of symbols and messages regarding
the function can be shown on the driver display.
The following table shows some examples.
Symbol
Message
Specification
Collision Avoid. Assistance
Automatic intervention
When the function is activated, a message is shown to the driver indicating that the system
has been activated.
Windscreen sensor
Sensor blocked, see Owner's manual
The ability of the camera to scan the roadway in front of the car is reduced.
A text message can be cleared by briefly press-
ing the
button, located in the centre of the
steering wheel's right-hand keypad.
If a message remains: Contact a workshop – an
authorised Volvo workshop is recommended.
Related information
•
Steering assistance upon risk of lane depar-
ture (p. 378)
•
DRIVER SUPPORT
378
Steering assistance upon risk of
lane departure
The subfunction's task is to help the driver
reduce the risk of the car accidentally leaving the
road by actively steering the car back onto the
road.
The function is active within the speed range
65-140 km/h (40-87 mph) on roads with clearly
visible lane markings/lines.
A camera scans the edges of the road and the
painted side markings. If the car is about to leave
the side of the road, the car is steered back onto
the road and if the steering intervention is not
enough to avoid run-off, the brakes are also acti-
vated.
The function does not intervene however with
steering assistance or braking if the direction
indicators are used and if the function detects
that the driver is actively driving the car, activation
of the function will be delayed.
After automatic engagement, the driver indicates
that this has occurred via a text message:
•
Collision avoidance
assistance
:
Automatic intervention
Level of steering assistance
The function has two activation levels:
•
Steering assistance only
•
Steering assistance with brake intervention
Steering assistance only
Intervention with steering assistance.
Steering assistance with brake intervention
Intervention with steering assistance and braking.
Brake intervention helps in situations where
steering assistance alone is not sufficient. The
brake force is adapted automatically depending
on the situation at the time of road run-off.
Activating/deactivating Steering
assistance in the event of run-off risk
The function can be selected - the driver can
choose to have it On or Off.
Proceed as follows to switch it off:
1. Select
Settings
My Car
IntelliSafe
in
the centre display's top view.
2. Deselect
Collision Avoidance Assistance
.
> The function is then disengaged.
When the
Collision Avoid. Assistance
function is deactivated, all subfunctions are
switched off:
•
Steering assistance at risk of lane depar-
ture
•
Steering assistance at risk of oncoming
collision
•
Steering assistance at risk of rear-end
collision
Even though it is possible to deactivate the
function, it is advisable for the driver to always
have it activated since it improves driving
safety in most cases.
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