Volvo V90 (2019 year). Instruction — part 22
DRIVER SUPPORT
367
WARNING
•
The Driver Alert Control function is sup-
plementary driver support intended to
facilitate driving and help make it safer –
it cannot handle all situations in all traffic,
weather and road conditions.
•
Driver Alert Control must not be used to
extend a period of driving. The driver
should plan in breaks at regular intervals
and make sure they are well rested.
•
Driver Alert Control is not a substitute for
the driver's attention and judgment. The
driver is always responsible for ensuring
the vehicle is driven in a safe manner, at
the appropriate speed, with an appropri-
ate distance to other vehicles, and in
accordance with current traffic rules and
regulations.
WARNING
An alarm from Driver Alert Control should be
taken very seriously since a sleepy driver is
often not aware of their own condition.
If the alarm sounds or you feel fatigued:
•
Stop the vehicle safely as soon as possi-
ble 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.
Related information
•
Activating/deactivating Driver Alert Control
(p. 367)
•
Selecting guidance to a rest area if the
Driver Alert Control warning has been given
(p. 368)
•
Driver Alert Control limitations (p. 368)
Activating/deactivating Driver Alert
Control
The Driver Alert Control (DAC) function can be
activated/deactivated.
On/Off
To change DAC settings:
1. Tap
Settings
in the center display's Top
view.
2. Select
My Car
IntelliSafe
Driver Alert
Control
.
3. Select/deselect
Alertness Warning
to acti-
vate/deactivate DAC.
Related information
•
DRIVER SUPPORT
* Option/accessory.
368
Selecting guidance to a rest area if
the Driver Alert Control warning has
been given
The
Rest Stop Guidance
function can be
switched on or off.
In vehicles equipped with Sensus Navigation*, the
driver can activate a guide that can automatically
suggest a suitable rest stop if the DAC warning
is given.
To select
Rest Stop Guidance
:
1. Tap
Settings
in the center 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
•
Driver Alert Control limitations
Driver Alert Control (DAC) functionality may be
reduced in certain situations.
In certain situations, the system may provide a
warning even if it has not detected a change in
driving behavior, e.g.:
•
in strong crosswinds
•
on grooved road surfaces.
WARNING
In certain cases, driving behavior might not be
affected despite the driver's fatigue – when
using the Pilot Assist function – resulting in
the driver not getting a warning from DAC.
It is therefore very important to always stop
and take a break at the slightest sign of fati-
gue, regardless of whether the DAC function
has issued a warning or not.
The function uses the vehicle's camera unit,
which has some general limitations – see the
section "Camera unit limitations".
Related information
•
•
Lane Keeping Aid
Lane Keeping Aid (LKA
102
) is designed to
actively steer the vehicle on freeways, highways
and other major roads to help the driver reduce
the risk of the vehicle unintentionally veering out
of the lane.
Lake Keeping Assistance steers the vehicle back
into the lane and/or alerts the driver using vibra-
tions in the steering wheel.
Lane Keeping Aid is active at speeds between
65-200 km/h (40-125 mph) on roads with
clearly visible traffic lane marker lines.
On narrow roads, the function may be unavailable
and go into standby mode. The function will
become available again when the road becomes
sufficiently wide.
A camera monitors the road/traffic lane's marker lines.
102
Lane Keeping Aid
DRIVER SUPPORT
}}
369
Lane Keeping Aid steers the vehicle back into its lane.
Lane Keeping Aid alerts the driver using vibrations in the
steering wheel
103
.
Depending on the settings used, Lane Keeping
Aid functions in different ways:
•
With
Assist
104
activated: When the vehicle
approaches a lane marker line, LKA will
actively steer the vehicle back into the lane
using light pressure on the steering wheel.
•
With
Warning
104
activated: If the vehicle is
about to move over a lane marker line, the
driver will be alerted by vibrations in the
steering wheel.
When the direction indicator is activated, the
Lane Keeping Aid does not provide any warn-
ing or intervene with steering.
WARNING
•
The Lane Keeping Aid function is supple-
mentary driver support intended to help
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 judgment. The driver
is always responsible for ensuring the
vehicle 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.
103
The steering wheel vibrations vary. The more time the vehicle is over the lane marker line, the longer the vibrations.
104
See "LKA assistance options" under "Activating/deactivating Lane Keeping Aid".
||
DRIVER SUPPORT
370
Lane Keeping Aid does not intervene
Lane Keeping Aid does not intervene in sharp inside
curves.
In certain cases, such as when a turn signal is
used or when "straightening out" an inside curve,
Lane Keeping Aid will not provide steering assis-
tance or alerts.
Related information
•
Steering assistance with Lane Keeping Aid
(p. 370)
•
Lane Keeping Aid limitations (p. 372)
•
Activating/deactivating Lane Keeping Aid
(p. 371)
•
Selecting type of assistance for Lane Keep-
ing Aid (p. 371)
•
Lane Keeping Aid symbols and messages
(p. 373)
•
Lane Keeping Aid symbols in the instrument
panel (p. 375)
Steering assistance with Lane
Keeping Aid
Lane Keeping Aid (LKA
105
) only functions if the
driver's hands are on the steering wheel.
This symbol on the instrument
panel indicates that LKA is
activated and continuously
monitoring that the driver's
hands are on the steering
wheel.
1. If the driver's hands are not on the steering
wheel, an audible signal will be given and a
message will instruct the driver to actively
steer the vehicle:
Lane Keeping Aid
–
Apply steering
2. If LKA detects that the driver is not actively
steering the vehicle, the message will be
repeated along with a longer audible signal.
3. If the driver still does not begin actively steer-
ing the vehicle, a short audible signal will be
given in a different tone, LKA will be deacti-
105
Lane Keeping Aid
DRIVER SUPPORT
371
vated, another symbol will illuminate and the
following message will be displayed:
–
Lane Keeping Aid
–
Apply
steering
LKA will then be deactivated until the driver
begins actively steering the vehicle again.
The audible signal will stop and the information
symbol and message will disappear when LKA
detects that the driver is actively steering the
vehicle again.
Related information
•
Activating/deactivating Lane
Keeping Aid
The Lane Keeping Aid (LKA
106
) function can be
switched On or Off.
On/Off
Press the
Lane Keeping Aid
button in the center display's
Function view.
•
GREEN button indicator light - LKA is acti-
vated.
•
GRAY button indicator light - LKA is deacti-
vated.
Related information
•
Selecting type of assistance for
Lane Keeping Aid
The driver can determine what types of assis-
tance LKA
107
should provide if the vehicle veers
from its lane.
1. Select
Settings
My Car
IntelliSafe
in
the center display's Top view.
2. Under
Lane Keeping Aid Mode
, select
what assistance LKA should provide:
•
Assist
the driver will receive steering
assistance but no warning.
•
Both
- the driver will receive both steering
assistance and a warning.
•
Warning
- the driver will only receive a
warning.
Related information
•
106
Lane Keeping Aid
107
Lane Keeping Aid
DRIVER SUPPORT
372
Lane Keeping Aid limitations
In certain demanding driving conditions, Lane
Keeping Aid may not be able to properly assist
the driver. In these situations, it is recommended
that the function be deactivated.
Examples of such situations include:
•
road work
•
winter driving conditions
•
poor road surfaces
•
a very sporty driving style
•
bad weather with reduced visibility
•
roads with indistinct or no lane markings
•
sharp edges or lines other than the lane's
side markings
•
when the power steering works at reduced
power, e.g. during cooling due to overheating
(see section “Speed-dependent steering
force”).
The function uses the vehicle's camera unit,
which has some general limitations – see the
section "Camera unit limitations".
Related information
•
•
Speed-dependent steering wheel resistance
(p. 274)
•
DRIVER SUPPORT
}}
373
Lane Keeping Aid symbols and
messages
A number of symbols and messages related to
Lane Keeping Aid LKA
108
may be displayed in
the instrument panel.
Some examples of symbols and messages are shown in the table below.
Symbol
Message
Meaning
Driver support system
Reduced functionality Service required
The system is not functioning as intended. Contact a workshop
‒ an authorized Volvo work-
shop is recommended.
Windscreen sensor
Sensor blocked, see Owner's manual
The camera's ability to detect the lane in front of the vehicle is reduced.
Lane Keeping Aid
Apply steering
LKA's steering assistance is disabled when the driver's hands are not on the wheel. Follow
the instructions and steer the vehicle.
Lane Keeping Aid
Apply steering
LKA will go into standby mode until the driver begins steering the vehicle again.
108
Lane Keeping Aid
||
DRIVER SUPPORT
374
A text message can be erased by briefly pressing
the
button in the center of the right-side
steering wheel keypad.
If the message persists: Contact a workshop
‒ an
authorized Volvo workshop is recommended.
Related information
•
DRIVER SUPPORT
375
Lane Keeping Aid symbols in the
instrument panel
Lane Keeping Aid (LKA
109
) uses symbols in the
instrument panel for various situations.
Some examples of symbols and
descriptions of the situations in
which they might appear are
provided below.
Available
Available
‒ the marker lines in the symbol are WHITE.
Lane Keeping Aid is able to detect one or both of
the traffic lane's side marker lines.
Unavailable
Unavailable
‒ the marker lines in the symbol are GRAY.
Lane Keeping Aid is unable to detect the lane
marker lines, the vehicle's speed is too low or the
road is too narrow.
Steering/warning indicator
Steering/warning
‒ the marker lines in the symbol are
COLORED.
Indicates that the Lane Keeping Aid system is
alerting the driver and/or attempting to steer the
vehicle back into the lane.
Related information
•
109
Lane Keeping Aid
DRIVER SUPPORT
* Option/accessory.
376
Steering assistance at risk of
collision
The
Collision avoidance assistance
function
is intended to help the driver reduce the risk of
the vehicle inadvertently veering from the traffic
lane and/or colliding with another vehicle or
obstacle by actively steering the vehicle back
into the lane and/or swerving out of the way.
Collision avoidance assistance
consists of
three sub-functions:
•
Run-Off Mitigation with steering assistance
•
Steering assistance during collision risks
from oncoming traffic
•
Steering assistance during collision risks
from behind*
After the system has automatically intervened,
this text message will appear in the instrument
panel:
•
Collision avoidance assistance
–
Automatic intervention
It is always the driver who must decide how
much the vehicle should be in control – the
vehicle can never take command.
Related information
•
Activating/deactivating steering assistance
during collision risks (p. 376)
•
Symbols and messages for steering assis-
tance during collision risks (p. 385)
•
Run-Off Mitigation with steering assistance
(p. 377)
•
Run-Off Mitigation with steering assistance
levels (p. 377)
•
Activating/deactivating Run-Off Mitigation
with steering assistance (p. 378)
•
Limitations of Run-Off Mitigation with steer-
ing assistance (p. 379)
•
Steering assistance during collision risks
from oncoming traffic (p. 379)
•
Activating/deactivating Steering assistance
during collision risks with oncoming vehicles
(p. 380)
•
Limitations of steering assistance during col-
lision risks from oncoming traffic (p. 381)
•
Steering assistance during collision risks
from behind* (p. 382)
•
Activating/deactivating Steering assistance
during collision risks from behind* (p. 383)
•
Limitations of steering assistance during col-
lision risks from behind (p. 383)
Activating/deactivating steering
assistance during collision risks
The driver can choose to have this function On
or Off.
Use this button in the center
display's Function view to turn
the function On and Off.
When the
Collision avoidance assistance
function is deactivated, all subfunctions of the
following are deactivated:
•
Steering assistance at risk of run-off
•
Steering assistance at risk of head-on
collision
•
Steering assistance during collision risks
from behind*
Although it is possible to deactivate the func-
tion, the driver is advised to keep it activated
since it can help improve driving safety in
most cases.
Related information
•
DRIVER SUPPORT
}}
377
Run-Off Mitigation with steering
assistance
This sub-function is intended to help reduce the
risk of the vehicle inadvertently running off the
road by actively steering the vehicle back onto
the road.
The function is active at speeds between
65-140 km/h (40-87 mph) on roads with clearly
visible traffic lane markings/lines.
The system uses a camera to monitor the edges
of the road and the painted side marker lines. If
the vehicle is about to cross the edge of the road,
the function will attempt to steer the vehicle back
onto the road. If this is not sufficient to keep the
vehicle on the road, the brakes will also be
applied.
However, the function will not provide either
steering assistance or braking if the turn signal is
used. The function will also not be activated if it
detects that the driver is actively operating the
vehicle.
After the system has automatically intervened,
this text message will appear in the instrument
panel:
•
Collision avoidance assistance
–
Automatic intervention
WARNING
•
The "Steering assistance at risk of run-
off" subfunction is supplementary driver
support intended to help improve driving
safety – it cannot handle all situations in
all traffic, weather and road conditions.
•
The function cannot detect barriers, rails
or similar obstacles at the side of the
road.
•
"Steering assistance at risk of run-off" is
not a substitute for the driver's attention
and judgment. The driver is always
responsible for ensuring the vehicle is
driven in a safe manner, at the appropri-
ate speed, with an appropriate distance to
other vehicles, and in accordance with
current traffic rules and regulations.
Related information
•
Steering assistance at risk of collision
(p. 376)
Run-Off Mitigation with steering
assistance levels
This function has two activation levels for inter-
vention:
•
Steering assistance only
•
Steering assistance with braking
Steering assistance only
Intervention with steering assistance.
||
DRIVER SUPPORT
* Option/accessory.
378
Steering assistance with braking
Intervention with steering assistance and braking.
Braking intervention assists in situations where
steering assistance alone is not sufficient. Brak-
ing force is automatically adapted according to
the situation at the moment the vehicle begins to
run off the road.
Related information
•
Steering assistance at risk of collision
(p. 376)
Activating/deactivating Run-Off
Mitigation with steering assistance
The driver can choose to have this function On
or Off.
Use this button in the center
display's Function view to turn
the function On and Off.
When the
Collision avoidance assistance
function is deactivated, all subfunctions of the
following are deactivated:
•
Steering assistance at risk of run-off
•
Steering assistance at risk of head-on
collision
•
Steering assistance during collision risks
from behind*
Although it is possible to deactivate the func-
tion, the driver is advised to keep it activated
since it can help improve driving safety in
most cases.
Related information
•
Steering assistance at risk of collision
(p. 376)
•
DRIVER SUPPORT
}}
379
Limitations of Run-Off Mitigation
with steering assistance
In certain demanding driving conditions, the
function may not be able to properly assist the
driver. In these situations, it is recommended
that it is turned off.
Examples of such situations include:
•
road work
•
winter driving conditions
•
narrow roads
•
poor road surfaces
•
a very sporty driving style
•
bad weather with reduced visibility
•
roads with indistinct or no lane markings
•
sharp edges or lines other than the lane's
side markings
•
when the power steering works at reduced
power, e.g. during cooling due to overheating
(see section “Speed-dependent steering
force”).
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
•
Steering assistance at risk of collision
(p. 376)
•
Speed-dependent steering wheel resistance
(p. 274)
•
•
Radar sensor limitations (p. 329)
Steering assistance during collision
risks from oncoming traffic
This sub-function can help assist a distracted
driver who has not noticed that the vehicle is
veering into oncoming traffic.
The function provides assistance by swerving your vehi-
cle back into your own lane.
Oncoming vehicles
Own vehicle
The function is active at speeds between
60-140 km/h (37-87 mph) on roads with clearly
visible traffic lane markings/lines.
If your vehicle is starting to veer from your own
lane and a vehicle is approaching from the oppo-
site direction, this function can help the driver
steer the vehicle back into its own lane.
||
DRIVER SUPPORT
* Option/accessory.
380
However, the function will not provide steering
assistance if the turn signal is used. The function
will also not be activated if it detects that the
driver is actively operating the vehicle.
After the system has automatically intervened,
this text message will appear in the instrument
panel:
•
Collision avoidance assistance
–
Automatic intervention
WARNING
•
The "Steering assistance at risk of head-
on collision" subfunction is supplemen-
tary driver support intended to improve
driving safety – it cannot handle all situa-
tions in all traffic, weather and road condi-
tions.
•
Pilot Assist is only activated if there is a
high risk of collision – you must therefore
never wait for the function to intervene.
•
The function is not a substitute for the
driver's attention and judgment. The driver
is always responsible for ensuring the
vehicle 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.
Related information
•
Steering assistance at risk of collision
(p. 376)
•
Activating/deactivating Steering assistance
during collision risks with oncoming vehicles
(p. 380)
•
Limitations of steering assistance during col-
lision risks from oncoming traffic (p. 381)
Activating/deactivating Steering
assistance during collision risks
with oncoming vehicles
The driver can choose to have this function On
or Off.
Use this button in the center
display's Function view to turn
the function On and Off.
When the
Collision avoidance assistance
function is deactivated, all subfunctions of the
following are deactivated:
•
Steering assistance at risk of run-off
•
Steering assistance at risk of head-on
collision
•
Steering assistance during collision risks
from behind*
Although it is possible to deactivate the func-
tion, the driver is advised to keep it activated
since it can help improve driving safety in
most cases.
DRIVER SUPPORT
381
Related information
•
Steering assistance at risk of collision
(p. 376)
•
Steering assistance during collision risks
from oncoming traffic (p. 379)
Limitations of steering assistance
during collision risks from
oncoming traffic
The function may have limited functionality in
certain situations and not intervene, e.g.:
•
for smaller vehicles such as motorcycles
•
on roads that do not have clear lane mark-
ings
•
if more than half of your vehicle has moved
into the adjacent lane
•
outside the speed range 60-140 km/h
(37-87 mph)
•
when the power steering works at reduced
power - e.g. during cooling due to overheat-
ing (see section "Speed-dependent steering
force").
Functionality may also be reduced in other situa-
tions, such as:
•
road work
•
winter driving conditions
•
narrow roads
•
poor road surfaces
•
a very sporty driving style
•
bad weather with reduced visibility.
In these demanding driving conditions, the func-
tion may not be able to properly assist the driver.
In these situations, it is recommended that it is
turned off.
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
•
Steering assistance at risk of collision
(p. 376)
•
Steering assistance during collision risks
from oncoming traffic (p. 379)
•
Speed-dependent steering wheel resistance
(p. 274)
•
•
DRIVER SUPPORT
* Option/accessory.
382
Steering assistance during collision
risks from behind*
If you become distracted and do not notice your
vehicle starting to veer out of the lane while
another vehicle is approaching from behind or is
in your vehicle's blind spot, this sub-function can
help provide assistance.
The function provides assistance by steering your vehi-
cle back into your own lane.
Another vehicle in blind spot zone
Own vehicle
If your vehicle is beginning to veer out of your
lane while another vehicle is in your blind spot or
another vehicle is rapidly approaching in the next
lane, this function can help the driver steer the
vehicle back into its own lane.
Even if the driver intentionally changes lanes
using a turn signal without noticing another vehi-
cle approaching, the function can provide assis-
tance.
The function is active at speeds between
60-140 km/h (37-87 mph) on roads with clearly
visible traffic lane markings/lines.
After the system has automatically intervened,
this text message will appear in the instrument
panel:
•
Collision avoidance assistance
–
Automatic intervention
WARNING
•
The "Steering assistance at risk of rear-
end collision" subfunction is supplemen-
tary driver support intended to improve
driving safety – it cannot handle all situa-
tions in all traffic, weather and road condi-
tions.
•
Pilot Assist is only activated if there is a
high risk of collision – you must therefore
never wait for the function to intervene.
•
The function is not a substitute for the
driver's attention and judgment. The driver
is always responsible for ensuring the
vehicle 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.
Related information
•
Steering assistance at risk of collision
(p. 376)
•
Activating/deactivating Steering assistance
during collision risks from behind* (p. 383)
•
Limitations of steering assistance during col-
lision risks from behind (p. 383)
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