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EnglishDriver support -> Lane assistance for your Volvo XC40 2018-2026
DRIVER SUPPORT
Cessation of automatic braking
Related information
Lane assistance
The function of the Lane Keeping Aid (LKA87
)
In some situations, automatic braking ceases
on coming to a standstill and the function is
set in standby mode. This means that the
brakes are released and the car may start to
roll - the driver must therefore intervene and
brake the car himself/herself to keep it station-
ary.
Driving support systems (p. 266)
Adaptive cruise control* (p. 303)
Pilot Assist* (p. 312)
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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.
Brake functions (p. 401)
This may take place in any of the following sit-
uations:
Lane Keeping Aid is active within the speed
range 65–200 km/h (40–125 mph) on roads
with clearly visible side lines.
The driver puts his/her foot on the brake
pedal.
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On narrow roads the function may be unavail-
able, in which case it goes into standby mode.
The function becomes available again when
the road is wide enough.
The parking brake is applied.
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The gear selector is moved to P, N, or R
position.
The driver sets the adaptive cruise control
or Pilot Assist to standby mode.
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Automatic activation of parking brake
The Parking brake is applied if the function is
holding the car stationary with the foot brake
and:
The driver opens the door or takes off
his/her seatbelt.
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The function has kept the car stationary
for more than approx. 10 minutes.
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The brakes have overheated.
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A camera reads the side lines of the road/lane.
The driver switches the engine off.
87
Lane Keeping Aid
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* Option/accessory. 329
DRIVER SUPPORT
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applying a slight torque to the steering
wheel.
WARNING
The function is supplementary driver
support intended to facilitate driving
and make it safer – it cannot handle all
situations in all traffic, weather and
road conditions.
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Warning activated: If the car is about to
cross a lane line, the driver is warned by
means of vibrations in the steering wheel.
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There is also an option where both steering
assistance and warning are activated simulta-
neously.
The driver is advised to read all sec-
tions in the Owner's Manual that relate
to this function to learn about factors
such as its limitations and what the
driver should be aware of before using
the system.
When a direction indicator/flasher is
switched on, there are no steering correc-
tions or alerts from lane assistance.
Lane assistance steers the car back into its lane.
Driver support functions are not a sub-
stitute for the driver's attention and
judgement. The driver is always
responsible for ensuring the car is
driven in a safe manner, at the appro-
priate speed, with an appropriate dis-
tance to other vehicles, and in accord-
ance with current traffic rules and reg-
ulations.
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Lane assistance warns with steering wheel vibra-
tions.
Depending on settings, lane assistance acts in
accordance with the following:
Assist activated: When the car is
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approaching a lane line, the function will
actively steer the car back into its lane by
330
DRIVER SUPPORT
Lane Keeping Aid Apply steering
Lane assistance does not intervene
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Activating or deactivating lane
assistance
If the driver follows the prompt to start steer-
ing, the function is set in standby mode and
this message is shown:
The Lane Keeping Aid (LKA) function (LKA88
)
is optional – the driver can choose to activate
or deactivate this function.
Activate or deactivate the
function using this button in
the centre display's function
view.
Lane Keeping Aid Standby until
steering applied
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The function will then be unavailable until the
driver starts to steer the car again.
Related information
Driving support systems (p. 266)
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GREEN button indication – the function is
activated.
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Lane assistance does not engage on sharp inside
curves.
GREY button indication – the function is
deactivated.
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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 if the
car is allowed to cut the corners in bends.
Related information
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Hands on the steering wheel
For steering assistance with lane assistance to
work, the driver must have his/her hands on
the steering wheel, which the system will con-
tinue to monitor.
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If the driver does not keep
his/her hands on the steering
wheel, a warning signal is
heard and a message encour-
ages the driver to steer the
car actively:
331
DRIVER SUPPORT
Selecting assistance option for
lane assistance
The driver can select how the Lane Keeping
Aid (LKA89) should react if the car leaves its
lane.
Limitations of Lane assistance
In certain demanding conditions lane assis-
tance (LKA90) may have difficulty helping the
driver correctly. In such cases it is recom-
mended to switch off this function.
This function uses the car's camera and
radar units, which have certain general lim-
itations.
Examples of such conditions are:
1. Select Settings My Car IntelliSafe
Related information
in the centre display's top view.
road works
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2.
In the event of Lane Keeping Aid Mode,
winter road conditions
poor road surface
Speed-dependent steering force (p. 266)
select how the function should react:
Limitations for camera and radar unit
(p. 387)
Assist – the driver is given steering
assistance without a warning.
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a very “sporty” driving style
poor weather with reduced visibility
Warning – the driver is only warned by
steering wheel vibration.
roads with unclear or non-existent side
markings
Both – the driver is given a warning
both from the steering wheel vibrating
and from steering assistance.
sharp edges or lines other than the lane's
side markings
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as the steering servo for speed-dependent
steering wheel resistance is working at
reduced power – e.g. when cooling due to
overheating.
Related information
•
The function is unable to detect barriers, rails
or similar obstacles at the side of the carriage-
way.
88
89
90
Lane Keeping Aid
Lane Keeping Aid
Lane Keeping Aid
332
DRIVER SUPPORT
Symbols and messages for lane
assistance
A number of symbols and messages regar-
ding lane assistance (LKA91) can be shown on
the driver display. Here are some examples.
Symbol
Message
Specification
The system does not function as it should. A workshop should be contactedA.
Driver support system
Reduced functionality Service required
The ability of the camera to scan the roadway in front of the car is reduced.
Windscreen sensor
Sensor blocked, see Owner's manual
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Lane Keeping Aid
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DRIVER SUPPORT
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Symbol
Message
Specification
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
Apply steering
LKA is set in standby mode until the driver starts to steer the car again.
Lane Keeping Aid
Standby until steering applied
A
An authorised Volvo workshop is recommended.
A text message can be cleared by briefly
pressing the button, located in the centre
of the steering wheel's right-hand keypad.
If a message persists, contact a workshopA.
Related information
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334
DRIVER SUPPORT
Unavailable
Display mode for lane assistance
Related information
Lane assistance (LKA92) is visualised by sym-
bols in the driver display depending on the
situation.
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Here are some examples of
symbols and the situations in
which they are shown:
Unavailable — the lane lines in the symbol are GREY.
Available
The Lane assistance cannot detect the lane
lines, the speed is too low or the road is too
narrow.
Indication of steering assistance/warning
Available — the lane lines in the symbol are WHITE.
Lane assistance is scanning one or both lane
lines.
Steering assistance/warning - the lane lines in the
symbol are COLOURED.
Lane assistance indicates that the system is
giving a warning and/or attempting to steer
the car back into the lane.
92
Lane Keeping Aid
335
DRIVER SUPPORT
Steering assistance at risk of
collision
Related information
WARNING
Driving support systems (p. 266)
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The function is supplementary driver
support intended to facilitate driving
and make it safer – it cannot handle all
situations in all traffic, weather and
road conditions.
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The function Collision avoidance assistance
can 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 swerving.
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The driver is advised to read all sec-
tions in the Owner's Manual that relate
to this function to learn about factors
such as its limitations and what the
driver should be aware of before using
the system.
The function consists of these subfunctions:
Steering assistance upon risk of run-off
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Steering assistance upon risk of head-on
collision
Steering assistance upon risk of rear-end
Driver support functions are not a sub-
stitute for the driver's attention and
judgement. The driver is always
responsible for ensuring the car is
driven in a safe manner, at the appro-
priate speed, with an appropriate dis-
tance to other vehicles, and in accord-
ance with current traffic rules and reg-
ulations.
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collision*
After automatic engagement, the driver dis-
play indicates that this has occurred via a text
message:
Collision avoidance assistance Automatic
intervention
It is always the driver who decides how
much the car should steer – the car can
never take command.
336
* Option/accessory.
DRIVER SUPPORT
Activating or deactivating steering
assistance in the event of a
collision risk
The steering assistance function is optional –
the driver can choose to activate or deacti-
vate it.
Steering assistance upon risk of
run-off
When the Collision avoidance
assistance function is deactivated, all sub-
functions are switched off:
Steering assistance has a number of subfunc-
tions. Steering assistance in the event of run-
off risk can help the driver and reduce the risk
of the car accidentally leaving the road by
actively steering the car back onto the road.
The function has two activation levels on inter-
vention:
Steering assistance at risk of road
departure
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Activate or deactivate the
function using this button in
the centre display's function
view.
Steering assistance at risk of oncom-
ing collision
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Steering assistance only
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Steering assistance at risk of rear-end
collision*
Steering assistance with brake interven-
tion
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.
GREEN button indication – the function is
activated.
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Steering assistance only
GREY button indication – the function is
deactivated.
This function is activated automatically each
Related information
time the engine is started93
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Intervention with steering assistance
93
In certain markets, the setting used when the engine is switched off is reactivated.
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* Option/accessory. 337
DRIVER SUPPORT
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driving the car, activation of the function will
be delayed.
Steering assistance with brake intervention
Steering assistance upon risk of
head-on collision
Steering assistance has a number of subfunc-
tions. Steering assistance upon risk of head-
on collision can help a distracted driver who
does not notice that the car is heading into
the opposite lane.
Related information
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Intervention with steering assistance and braking
Brake intervention helps in situations where
steering assistance alone is not sufficient. The
brake force is adapted automatically depend-
ing on the situation at the time of road run-off.
The function is active within the speed range
65-140 km/h (40-87 mph) on roads with
clearly visible lane markings/lines.
The function can assist by guiding the car back to its
own lane.
Oncoming vehicles
Your car
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 inter-
vention is not enough to avoid run-off, the
brakes are also activated.
At the same time as steering intervention is
activated, collision warning for driver support
is also activated. However, the brake pulse
included in the collision warning will not be
activated.
However, the function does not intervene with
either steering assistance or brake interven-
tion if the direction indicators are used. And if
the function detects that the driver is actively
338
DRIVER SUPPORT
The function is active within the speed range
60-140 km/h (37-87 mph) on roads with
clearly visible lane markings/lines.
the driver to steer the car back into its own
lane.
Steering assistance upon risk of
rear-end collision*
Steering assistance has a number of subfunc-
tions. Steering assistance if there is a risk of
rear-end collision can help a distracted driver
who does not notice that the car is about to
leave its own lane while an oncoming vehicle
is approaching at the same time, either from
behind or in the blind spot.
The function can even assist if the driver inten-
tionally changes lanes using direction indica-
tors without noticing that another vehicle is
approaching.
If the car is about to leave its own lane while
an oncoming vehicle is approaching at the
same time, the function can help the driver to
steer the car back into its own lane.
The function is active within the speed range
60-140 km/h (37-87 mph) on roads with
clearly visible lane markings/lines.
However, the function does not intervene with
steering assistance if the direction indicator is
used. And if the function detects that the
driver is actively driving the car, activation of
the function will be delayed.
The lamps in the door mirrors flash during
steering intervention, regardless of whether
the BLIS94 function is activated.
Related information
Related information
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Warning from driver support in the event
of a collision risk (p. 324)
BLIS* (p. 343)
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The function can assist by steering the car back to its
own lane.
Other vehicle in the blind spot
Your car
If the car is about to leave its own lane while
another vehicle is in the blind spot, or another
vehicle is approaching rapidly in an adjacent
lane at the same time, the function can help
94
Blind Spot Information
* Option/accessory. 339
DRIVER SUPPORT
Limitations for steering assistance
at risk of collision
In certain situations the function may have
limited functionality and fail to intervene in
the following cases, for example:
This function uses the car's camera and
radar units, which have certain general lim-
itations.
for small vehicles, such as motorcycles
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Related information
if the majority of the car has steered into
the adjacent lane
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on roads/in lanes with unclear or non-exis-
tent lane markings
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outside the speed range 60-140 km/h
(37-87 mph)
as the steering servo for speed-dependent
steering wheel resistance is working at
reduced power – e.g. when cooling due to
overheating.
Other demanding situations can include:
road works
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winter road conditions
narrow roads
poor road surface
a very “sporty” driving style
poor weather with reduced visibility.
In these demanding situations, the function
may have difficulty helping the driver correctly.
In such cases it is recommended to switch off
this function.
340
* Option/accessory.
DRIVER SUPPORT
Symbols and messages for
steering assistance upon risk of
collision
A number of symbols and messages regar-
ding steering assistance may be shown in the
driver display. Here are some examples.
Symbol
Message
Specification
When the function is activated, a message is shown to the driver indicating that the
system has been activated.
Collision avoidance assistance
Automatic intervention
The ability of the camera to scan the roadway in front of the car is reduced.
Windscreen sensor
Sensor blocked, see Owner's manual
A text message can be cleared by briefly
pressing 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 recom-
mended.
Related information
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341
DRIVER SUPPORT
Rear Collision Warning*95
Limitations of Rear Collision
WARNING
Warning*97
The Rear Collision Warning96 (RCW) function
can help the driver to avoid being hit by a
vehicle approaching from behind.
Drivers in vehicles behind can be warned
about an imminent collision by the function
flashing intensively with the direction indica-
tors.
The function is supplementary driver
support intended to facilitate driving
and make it safer – it cannot handle all
situations in all traffic, weather and
road conditions.
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In certain cases the Rear Collision Warning
(RCW) may have difficulty helping the driver
in the event of a collision risk.
This can, for example, be if:
the vehicle approaching from behind is
detected too late
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The driver is advised to read all sec-
tions in the Owner's Manual that relate
to this function to learn about factors
such as its limitations and what the
driver should be aware of before using
the system.
If, at a speed below 30 km/h (20 mph), the
function detects that the car is in danger of
being hit from behind, the seatbelt tensioners
may tension the front seatbelts. The Whiplash
Protection System is also activated in the
event of a collision.
the vehicle approaching from behind
changes lane at the last moment
a trailer, bicycle rack or similar is con-
nected to the car's electrical system - the
function is then deactivated automatically.
Driver support functions are not a sub-
stitute for the driver's attention and
judgement. The driver is always
responsible for ensuring the car is
driven in a safe manner, at the appro-
priate speed, with an appropriate dis-
tance to other vehicles, and in accord-
ance with current traffic rules and reg-
ulations.
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Immediately before a collision from behind,
this function may also activate the foot brake
in order to reduce the forward acceleration of
the car during the collision. However, the foot
brake is only activated if the car is stationary.
The foot brake releases immediately if the
accelerator pedal is depressed.
In certain markets, RCW does not give a
warning with the direction indicators due
to local traffic regulations - in such cases,
this part of the function is deactivated.
This function is activated automatically each
time the engine is started.
Related information
Driving support systems (p. 266)
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Whiplash Protection System (p. 43)
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95
Rear collision warning.
The function is not available in all markets.
Rear collision warning.
96
97
342
* Option/accessory.
