Volvo XC90 (2021 year). Manual in english — page 18
DRIVER SUPPORT
}}
309
Steering assistance
The color of the steering
wheel symbol indicates the
current status of steering
assistance:
• GREEN indicates that
steering assistance is active
• GRAY (as shown in illustration) indicates that
steering assistance is deactivated.
Pilot Assist's steering assistance is based on
monitoring the direction of the vehicle ahead
and the traffic lane's side marker lines. The
driver can override Pilot Assist's steering rec-
ommendations at any time and steer in
another direction, e.g. to change lanes or avoid
obstacles on the road.
If the camera/radar sensor cannot detect the
lane's side marker lines or if Pilot Assist is
unable for some other reason to clearly inter-
pret the lane, Pilot Assist will temporarily
deactivate steering assistance until it can once
again interpret the lane markings. However,
the speed and distance warnings will remain
active. The driver will be alerted by slight
vibrations in the steering wheel that the func-
tion has been temporarily deactivated.
WARNING
Pilot Assist is deactivated automatically
and resumes working without prior notice.
In curves and forks in the road
Pilot Assist is designed to interact with the
driver. The driver should never wait for steer-
ing assistance from Pilot Assist, but instead
should always be ready to increase his or her
own steering efforts, particularly in curves.
When the vehicle is approaching an off-ramp
or a fork in the road, the driver should steer
toward the desired lane so that Pilot Assist
can detect the desired direction of travel.
Hands on the steering wheel
Pilot Assist only functions if the driver's hands
are on the steering wheel. It is also important
for the driver to always continue to be active
and alert when driving since Pilot Assist is
unable to read all situations and may toggle
between off and on without prior warning.
If Pilot Assist detects that the
driver's hands are not on the
steering wheel, the system
will provide a symbol and a
text message in the instru-
ment panel to instruct the
driver to actively steer the
vehicle.
If the driver's hands are still detected on the
steering wheel after a few seconds have
passed, the instructions to actively steer the
vehicle will be repeated, accompanied by an
audible signal.
If Pilot Assist still does not detect the driver's
hands on the steering wheel after a few more
seconds have passed, the audible signal will
become intense and the steering function will
switch off. Pilot Assist must then be reactiva-
ted by pressing the
button on the steering
wheel.
WARNING
•
The function is supplementary driver
support intended to facilitate driving
and help make it safer – it cannot han-
dle all situations in all traffic, weather
and road conditions.
•
•
Driver support functions are not a sub-
stitute for the driver's attention and
judgment. The driver is always respon-
sible for ensuring the vehicle is driven
in a safe manner, at the appropriate
speed, with an appropriate distance to
other vehicles, and in accordance with
current traffic rules and regulations.
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DRIVER SUPPORT
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310
Only a workshop may perform mainte-
nance on driver support components – an
authorized Volvo workshop is recom-
mended.
Related information
•
Driver support systems (p. 282)
•
Selecting and activating Pilot Assist
•
•
•
•
•
Collision risk warning from driver support
(p. 323)
•
Switching target vehicles with driver sup-
port (p. 324)
•
Setting time interval to the vehicle ahead
(p. 326)
•
Adjusting set speed for driver support
(p. 325)
•
Auto-hold braking with driver support
(p. 327)
•
•
Pilot Assist
*
54
controls
A summary of how Pilot Assist is controlled
using the right-side steering wheel keypad
and how the function is shown in the display.
Function buttons and symbols.
▶
: Switches from Adaptive Cruise Control
*
to Pilot Assist
:
From standby mode
- activates Pilot
Assist and sets the current speed
:
From active mode
- deactivates/
puts Pilot Assist in standby mode
: Activates Pilot Assist from standby
mode and resumes the set speed and time
interval
: Increases the set speed
: Reduces the set speed
Increases the time interval to the vehicle
ahead
Reduces the time interval to the vehicle
ahead
◀
: Switches from Pilot Assist to Adaptive
Cruise Control
Function symbol
Symbols for target vehicle
Symbol for time interval to the vehicle
ahead
Symbol for activated/deactivated steering
assistance
Related information
•
54
Depending on market, this function can be either standard or optional.
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311
Pilot Assist
*
55
displays
The following illustrations show how Pilot
Assist can appear in the various displays in
different situations.
Speed
Speed indicators.
Set speed
Speed of the vehicle ahead
The current speed of your vehicle
Time interval
Pilot Assist will only regulate
the time interval to the vehi-
cle ahead when the distance
symbol shows a vehicle (1)
over the steering wheel sym-
bol.
Pilot Assist's steering assistance is only active
when the steering wheel symbol (2) changes
from GRAY to GREEN.
When driving
In the following illustration, Road Sign Infor-
mation (RSI
56
) indicates that the maximum
permitted speed is 130 km/h (80 mph).
The previous illustration 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 follow.
Pilot Assist will not provide any steering assis-
tance because it cannot detect the lane's side
marking lines.
The previous illustration 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.
55
Depending on market, this function can be either standard or optional.
56
Road Sign Information
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The previous illustration 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.
The previous illustration 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 follow.
Pilot Assist will provide steering assistance
because it can detect the lane's side marking
lines.
Related information
•
•
Selecting and activating Pilot
Assist
*
57
Pilot Assist must first be selected and then
activated before it can regulate speed and
distance and provide steering assistance.
A green steering wheel indicates that Pilot Assist is
providing steering assistance.
To start Pilot Assist.
•
The driver's seat belt must be buckled and
the driver's door must be closed.
•
The side markings of the lane must be
clearly visible and detected by the vehicle.
•
There must be a vehicle ahead (target
vehicle) within a reasonable distance or
your vehicle's current speed must be at
least 15 km/h (9 mph).
•
The speed must not exceed 140 km/h (87
mph).
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* Option/accessory.
313
•
The driver must keep their hands on the
steering wheel.
•
There must be a vehicle ahead (target
vehicle) within a reasonable distance or
your vehicle's current speed must be at
least 15 km/h (9 mph).
1. Press the
◀
(1) or
▶
(3) button on the
steering wheel keypad and scroll to the
Pilot Assist symbol
(4).
> Gray symbol – Pilot Assist is in standby
mode.
2. When Pilot Assist is selected, press
(2) on the steering wheel keypad to acti-
vate.
> White symbol – Pilot Assist starts and
the current speed is stored as the maxi-
mum speed.
Reactivating Pilot Assist to the last
stored speed
–
When Pilot Assist is selected, press
on the steering wheel keypad to activate.
> The Cruise Control marking in the
instrument panel will change from
GRAY to WHITE and the vehicle will
then return to the most recently set
speed.
WARNING
A noticeable increase in speed may follow
when the speed is resumed with the
steering wheel button.
Related information
•
•
•
Deactivating Pilot Assist
*
58
Pilot Assist can be deactivated and switched
off.
A green steering wheel indicates that Pilot Assist is
providing steering assistance.
1. Press the
button on the steering
wheel (2).
> The symbol and markings turn gray –
Pilot Assist goes into standby mode.
The time interval indicator light and any
symbols for the target vehicle will go
out.
57
Depending on market, this function can be either standard or optional.
58
Depending on market, this function can be either standard or optional.
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2. Press the
◀
(1) or
▶
(3) buttons on the
steering wheel to select another function.
> The Pilot Assist symbol and marking (4)
in the instrument panel will go out and
the stored maximum speed will be
erased.
WARNING
•
With Pilot Assist in standby mode, the
driver must intervene and steer and
regulate both speed and distance to
the vehicle ahead.
•
If the vehicle comes too close to a vehi-
cle ahead when Pilot Assist is in
standby mode, the driver is instead
warned of the short distance by the
Distance Alert
*
function.
Related information
•
•
Selecting and activating Adaptive Cruise
Control
•
Switching between cruise control and
Adaptive Cruise Control
•
•
Temporarily deactivating steering assis-
tance with Pilot Assist
Pilot Assist
*
59
standby mode
Pilot Assist can be deactivated and put in
standby mode. This may happen automati-
cally or be due to driver intervention.
Standby mode means that the function is
selected in the instrument panel but not acti-
vated. In standby mode, Pilot Assist will not
regulate the speed or distance to the vehicle
ahead or provide steering assistance.
Standby mode due to action by the
driver
Pilot Assist will be deactivated and put in
standby mode if any of the following occurs:
•
The brakes are applied.
•
The gear selector is moved to
N
.
•
A turn signal is used for more than
1 minute.
•
The vehicle is driven faster than the set
speed for more than 1 minute.
Automatic standby mode
WARNING
With automatic standby mode, the driver is
warned by an acoustic signal and a mes-
sage on the instrument panel.
•
The driver must then regulate vehicle
speed, apply the brakes if necessary,
and maintain a safe distance to other
vehicles.
The function may automatically go into
standby mode if one of the following occurs.
•
One of the systems that Pilot Assist is
dependent on stops working, such as
Electronic Stability Control
60
.
•
The driver's hands are not on the steering
wheel.
•
The driver opens the door.
•
The driver unbuckles the seat belt.
•
The engine speed (rpm) is too low/high.
•
One or more of the wheels lose traction.
•
The brake temperature is high.
•
The parking brake is applied.
•
The camera and radar unit is covered by
snow or heavy rain (the camera lens/radar
waves are blocked).
59
Depending on market, this function can be either standard or optional.
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DRIVER SUPPORT
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315
•
Your vehicle's speed goes below 5 km/h
(3 mph) and Pilot Assist cannot determine
if the vehicle ahead is stationary or if it is
another object, e.g. a speed bump.
•
Your vehicle's speed goes below 5 km/h
(3 mph) and the vehicle ahead turns so
that Pilot Assist no longer has a vehicle to
follow.
Related information
•
•
Selecting and activating Pilot Assist
•
•
Temporarily deactivating steering
assistance with Pilot Assist
*
61
Pilot Assist steering assistance can be tem-
porarily deactivated and reactivated without
prior warning.
When the turn signals are used, Pilot Assist's
steering assistance will be temporarily deacti-
vated. When the direction indicator is turned
off, steering assistance is reactivated automat-
ically if the lane's edge markings can still be
detected.
If Pilot Assist cannot clearly interpret the
lane's side marker lines or if the camera/radar
sensor is unable for some other reason to
clearly interpret the lane, Pilot Assist will tem-
porarily deactivate steering assistance. How-
ever, the speed and distance warnings will
remain active. Steering assistance will resume
when the side marker lines can once again be
interpreted. In these situations, the driver may
be alerted through slight vibrations in the
steering wheel that steering assistance is tem-
porarily deactivated.
Related information
•
•
Selecting and activating Pilot Assist
•
•
60
Electronic Stability Control
61
Depending on market, this function can be either standard or optional.
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Pilot Assist
*
62
limitations
Pilot Assist functionality may be reduced in
certain situations.
Pilot Assist is a driver support function
designed to simplify driving and assist the
driver in many situations. However, the driver
is always responsible for maintaining a suita-
ble distance to vehicles or objects around it
and ensuring that the vehicle is correctly posi-
tioned in the traffic lane.
WARNING
In some situations, Pilot Assist may have
trouble 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 unclear, worn,
missing, cross each other, or there are
multiple sets of road markings.
•
the lane division changes, e.g. when
lanes split or merge, and at off-ramps.
•
when there is road construction and
sudden changes to the road surface,
e.g. when the lines may no longer mark
the correct route.
•
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 visibil-
ity with poor light conditions, back-
lighting, wet road surface, etc.
The driver should also note that Pilot Assist
has the following limitations:
•
High curbs, roadside barriers, tempo-
rary obstacles (traffic cones, safety bar-
riers, etc.) are not detected. Alterna-
tively, they may be detected incorrectly
as lane markings, with a subsequent
risk of contact between the vehicle and
such obstacles. The driver is responsi-
ble for ensuring that the vehicle main-
tains a suitable distance from such
obstacles.
•
The camera and radar sensors do not
have the capacity to detect all oncom-
ing objects and obstacles in traffic
environments, e.g. potholes, stationary
obstacles or objects that completely or
partially block the route.
•
Pilot Assist does not "see" pedestrians,
animals, etc.
•
The steering assistance is limited in
force, which means that Pilot Assist
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
62
Depending on market, this function can be either standard or optional.
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DRIVER SUPPORT
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317
information from map data, which
could cause variations in performance.
•
Pilot Assist will be switched off if the
speed-dependent power steering
wheel resistance is working at reduced
power, e.g. during cooling due to over-
heating.
WARNING
Pilot Assist should only be used if there are
clear lane lines painted on each side of the
lane. All other use will increase the risk of
contact with nearby obstacles that cannot
be detected by the functions.
WARNING
•
This is not a collision avoidance sys-
tem. The driver is always responsible
and must intervene if the system fails
to detect a vehicle ahead.
•
The function does not brake for people
or animals and does not brake for small
vehicles, such as bikes and motorcy-
cles. Similarly, it does not brake for low
trailers, oncoming, slow-moving or sta-
tionary vehicles and objects.
•
Do not use the function in demanding
situations, such as in city traffic, at
intersections, on slippery surfaces,
with a lot of water or slush on the road,
in heavy rain/snow, in poor visibility, on
winding roads, or on on/off ramps.
The driver can always correct or adjust steer-
ing assistance provided by Pilot Assist by turn-
ing the steering wheel to the desired position.
Steep roads and/or heavy loads
Pilot Assist is primarily intended to be driven
on flat roads. The function may not be able to
maintain the correct time interval to the vehi-
cle 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 carrying
a heavy load or towing a trailer.
Pilot Assist cannot be activated if a trailer,
bike carrier or similar is connected to the
vehicle electrical system.
Drive mode unavailable
The
Off Road
drive mode cannot be selected
when Pilot Assist is activated.
The function uses the vehicle's camera and
radar sensor, which has certain general
limitations.
Related information
•
•
Camera/radar sensor limitations (p. 395)
•
Speed-dependent steering wheel resis-
tance (p. 282)
•
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Pilot Assist
*
63
symbols and
messages
A number of symbols and messages relating
to Pilot Assist may be displayed in the instru-
ment panel and/or the head-up display
*
.
Symbol
Message
Meaning
Gray steering wheel symbol
Indicates that steering assistance is deactivated. When Pilot Assist is providing steer-
ing assistance, the steering wheel is green.
Symbol for hands on the steering wheel
The system cannot detect the driver's hands on the steering wheel. Place your hands
on the steering wheel and actively steer the vehicle.
Windscreen sensor
Sensor blocked, see Owner's man-
ual
Clean the windshield in front of the camera and radar sensors.
A text message can be erased by briefly press-
ing the
button in the center of the right-
side steering wheel keypad.
If the message persists: Contact a workshop
‒
an authorized Volvo workshop is recom-
mended.
63
Depending on market, this function can be either standard or optional.
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Related information
•
•
•
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320
Curve Speed Assist (CSA)
*
64
Curve Speed Assist
can help the driver
reduce speed before sharp turns if the preset
speed for the driver support function Adap-
tive Cruise Control
*
or Pilot Assist
*
is deter-
mined to be too high.
As the function reduces the
vehicle's speed, this symbol
will be displayed in the instru-
ment panel.
This assessment is performed using informa-
tion from map data in the vehicle's navigation
system, Sensus Navigation
*
. After the turn,
the vehicle will resume the previously set
speed.
The driver can cancel the function at any time
by braking or using the accelerator pedal.
WARNING
•
The function is supplementary driver
support intended to facilitate driving
and help make it safer – it cannot han-
dle all situations in all traffic, weather
and road conditions.
•
•
Driver support functions are not a sub-
stitute for the driver's attention and
judgment. The driver is always respon-
sible for ensuring the vehicle is driven
in a safe manner, at the appropriate
speed, with an appropriate distance to
other vehicles, and in accordance with
current traffic rules and regulations.
Drive modes
Cornering assistance varies depending on the
selected drive mode. If drive mode cannot be
selected, the function will use the
Comfort
option. In
Dynamic
mode, cornering will be
sporty, with slightly more powerful accelera-
tion coming out of curves.
Related information
•
Activating or deactivating Curve Speed
Assist (CSA)
•
•
Driver support systems (p. 282)
•
•
•
64
This function is only available on some markets.
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321
Activating or deactivating Curve
Speed Assist (CSA)
*
The Curve Speed Assist (CSA) function can
be activated as a supplement to Adaptive
Cruise Control
*
or Pilot Assist
*
. The driver can
also deactivate the function.
Activate or deactivate the
function using this button in
the center display's Function
view.
•
GREEN button indicator light – the func-
tion is activated.
•
GRAY button indicator light – the function
is deactivated.
The next time the engine is started, the last
used setting is reactivated or the key's driver
profile settings are followed
65
.
Related information
•
•
Curve Speed Assist (CSA)
*
66
limitations
Curve Speed Assist (CSA) functionality may
be reduced in certain situations. The driver
should be aware of the following limitations:
•
Curve Speed Assist (CSA) may have lim-
ited performance on small roads and in
densely populated areas.
•
At off-ramps or intersections, Curve
Speed Assist (CSA) may temporarily
switch off.
•
If the satellite navigator's
67
map data is
not updated, Curve Speed Assist (CSA)
may have limited functionality.
•
Curve Speed Assist (CSA) functionality
may be limited if the satellite navigator
67
has lost contact with the satellite system.
•
On new or rebuilt roads, map data may be
incorrect.
•
The risk of reduced grip due to adverse
weather or road conditions is not taken
into account when calculating suitable
cornering speed.
The function uses the vehicle's camera and
radar sensor, which has certain general
limitations.
Related information
•
•
Activating or deactivating Curve Speed
Assist (CSA)
•
Camera/radar sensor limitations (p. 395)
65
These alternatives are market dependent.
66
This function is only available on some markets.
67
Only with Volvo Sensus Navigation
*
installed.
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322
Passing assistance
*
Passing assistance can assist the driver when
passing other vehicles. The function can be
used with Adaptive Cruise Control
*
or Pilot
Assist
*
.
When Adaptive Cruise Control or Pilot Assist
is following another vehicle and you indicate
that you intend to pass that vehicle by using
the turn signal
68
, the system will begin accel-
erating toward the vehicle ahead
before
your
vehicle has moved into the passing lane.
The function will then delay a speed reduction
to avoid early braking as your vehicle
approaches a slower-moving vehicle.
The function remains active until your vehicle
has passed the other vehicle.
WARNING
Please note that this function can be acti-
vated in more situations than just passing
another vehicle, such as when a direction
indicator is used to indicate a lane change
or before exiting to another road – the vehi-
cle will then briefly accelerate.
WARNING
•
The function is supplementary driver
support intended to facilitate driving
and help make it safer – it cannot han-
dle all situations in all traffic, weather
and road conditions.
•
•
Driver support functions are not a sub-
stitute for the driver's attention and
judgment. The driver is always respon-
sible for ensuring the vehicle is driven
in a safe manner, at the appropriate
speed, with an appropriate distance to
other vehicles, and in accordance with
current traffic rules and regulations.
Related information
•
Driver support systems (p. 282)
•
Using passing assistance (p. 322)
•
•
Using passing assistance
Passing assistance can be used with Adap-
tive Cruise Control
*
or Pilot Assist
*
. Several
conditions must be met for passing assis-
tance to be possible.
In order to activate passing assistance:
•
your vehicle must be following a vehicle
ahead (target vehicle)
•
your vehicle's
current speed
must be
at least 70 km/h (43 mph)
•
the set speed
must be high enough to
safely pass another vehicle.
To start passing assistance:
–
Turn on the left turn signal.
> Passing assistance will start.
68
Only the left-hand turn signal for left-hand drive vehicles, or right-hand turn signal for right-hand drive vehicles.
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323
WARNING
The driver should be aware that if condi-
tions suddenly change when using Passing
Assistance, the function may implement an
undesired acceleration in certain condi-
tions.
Some situations should be avoided, e.g. if:
•
the vehicle is approaching an exit in the
same direction as passing would nor-
mally occur
•
the vehicle ahead slows before your
vehicle has had time to switch to the
passing lane
•
traffic in the passing lane slows down
Situations of this type can be avoided by
temporarily putting Adaptive Cruise Control
or Pilot Assist in standby mode.
Related information
•
•
•
•
•
Collision risk warning from driver
support
The driver support systems Adaptive Cruise
Control
*
and Pilot Assist
*
can help alert the
driver if the distance to the vehicle ahead
suddenly decreases to an unsafe distance.
Collision warning audible signal and symbol
Audible signal at risk of collision
Collision warning symbol
Camera/radar sensor distance monitoring
Adaptive Cruise Control and Pilot Assist use
approx. 40% of the braking capacity. If a sit-
uation requires more braking force than driver
support can provide, and if the driver does not
apply the brakes, a warning light and audible
warning signal will be activated to alert the
driver that immediate action is required.
WARNING
The driver support system only issues a
warning for vehicles detected by its radar
unit – thus, a warning may come after a
delay or not at all. Never wait for a warning.
Apply the brakes when necessary.
Collision warning symbol on the windshield
In vehicles equipped with a head-up display
*
,
a flashing warning symbol will be displayed on
the windshield.
Visual warnings on the windshield may be
difficult to notice in cases of strong sun-
light, reflections, extreme light contrasts,
or if the driver is wearing sunglasses or is
not looking straight ahead.
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Related information
•
Driver support systems (p. 282)
•
•
•
•
Switching target vehicles with
driver support
At certain speeds, vehicles with automatic
transmissions and the driver support func-
tions Adaptive Cruise Control
*
and Pilot
Assist
*
can switch target vehicles.
Switching target vehicles
If the target vehicle ahead turns suddenly, there may
be stationary traffic ahead.
When driver support is actively following
another vehicle at speeds
under
30 km/h
(20 mph) and switches targets from a moving
vehicle to a stationary vehicle, driver support
will brake for the stationary vehicle.
WARNING
When driver support follows another vehi-
cle at speeds
over
approx. 30 km/h
(20 mph) and changes target vehicle –
from a moving vehicle to a stationary one –
driver support will
ignore
the stationary
vehicle and instead accelerate to the stored
speed.
•
The driver must then intervene and
apply the brakes.
Automatic standby mode when switching
targets
Driver support disengages and goes into
standby mode if:
•
your vehicle's speed goes under 5 km/h
(3 mph) and driver support cannot deter-
mine if the target vehicle is stationary or if
it is another object, e.g. a speed bump.
•
your vehicle's speed goes under 5 km/h
(3 mph) and the vehicle ahead turns so
that driver support no longer has a vehicle
to follow.
Related information
•
Driver support systems (p. 282)
•
•
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