Volvo XC40 Twin Engine (2020 year). Manual in english - page 18

Selecting and activating adaptive cruise
control

•

(p. 308)

•

Deactivating adaptive cruise control

(p. 309)

•

Limitations for adaptive cruise control

(p. 311)

Limitations for adaptive cruise

control

Adaptive Cruise Control (ACC

) may have

limitations in certain situations.

Steep roads and/or heavy load

Bear in mind that the adaptive cruise control is
primarily intended for use when driving on
level road surfaces. The function may have dif-
ficulty in keeping the correct distance from the
vehicle ahead when driving on steep downhill
slopes - in which case, be extra attentive and
ready to brake.

Do not use adaptive cruise control if the car
has a heavy load or a trailer is connected to
the car.

Drive mode unavailable

Drive mode

Off Road

cannot be selected

when the adaptive cruise control is activated.

Electronic Stability Control

This function can be either standard or optional, depending on market.

Adaptive Cruise Control

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WARNING

•

This is not a collision avoidance sys-
tem. The driver is always responsible
and must intervene if the system does
not detect a vehicle ahead.

•

The function does not brake for
humans or animals, and not for small
vehicles such as bicycles and motorcy-
cles. Nor for low trailers, oncoming,
slow or stationary vehicles and objects.

•

Do not use the function in demanding
situations, such as in city traffic, at
junctions, 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 slip roads.

NOTE

This function uses the car's camera and
radar units, which have certain general lim-
itations.

Related information

•

Limitations for camera and radar unit
(p. 389)

•

Change between cruise control

and adaptive cruise control

the centre display

When the normal cruise control (CC

) is

selected in the driver display, it is possible to
change to adaptive cruise control (ACC

) in

the centre display's function view.

Activate or deactivate the
function using this button in
the centre display's function
view.

•

GREEN button indication – adaptive
cruise control is deactivated and normal
cruise control is set in standby mode.

•

GREY button indication – normal cruise
control is deactivated and adaptive cruise
control is set in standby mode.

A symbol in the driver display shows which
cruise control is active:

Cruise control

(CC)

Adaptive cruise con-

trol (ACC)

WHITE symbol: Function active, GREY symbol: Standby

mode

Related information

•

•

Cruise control (p. 302)

This function can be either standard or optional, depending on market.

Cruise Control

Adaptive Cruise Control

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Symbols and messages for

adaptive cruise control

A number of symbols and messages regar-
ding the Adaptive cruise control (ACC

) can

be shown in the driver display.

Symbol Message

Specification

The symbol is WHITE

The car is maintaining the stored speed.

Adaptive Cruise Contr.

Unavailable

The symbol is GREY

Adaptive cruise control is set to standby mode.

Adaptive Cruise Contr.

Service required

The symbol is GREY

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

Clean the windscreen in front of the camera and radar unit's detectors.

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

•

Driving support systems (p. 268)

This function can be either standard or optional, depending on market.

Adaptive Cruise Control

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314

Pilot Assist

Pilot Assist can help the driver to drive the
car between the lane's side markings as well
as to maintain an even speed, combined with
a preselected time interval to the vehicle
ahead.

Get to know Pilot Assist

The camera and radar unit measures the distance to

the vehicle ahead and detects side markings.

Camera and radar unit

Distance readers

Readers, side markings

Pilot Assist helps to control your car and you
may need to drive a few kilometres with Pilot
Assist before you feel completely at home
with the function. It is important to know

about all of the function's applications and lim-
itations in order to safely use all of the advan-
tages.

The Pilot Assist function is primarily intended
for use on motorways and similar major roads
where it can contribute to more comfortable
driving and a more relaxed driving experience.

The driver selects the desired speed and a
time interval to the vehicle ahead. Pilot Assist
scans the distance to the vehicle ahead and
the lane's side markings on the road surface
using the camera unit. The preset time interval
is maintained with automatic speed adjust-
ment whilst the steering assistance helps to
position the car in the lane.

Pilot Assist regulates the speed with accelera-
tion and braking. It is normal for the brakes to
emit a low sound when they are being used to
adjust the speed.

Pilot Assist strives to:

•

regulate the speed smoothly. In situations
that demand sudden braking the driver
must brake himself/herself. This applies in
cases of large speed differences or if the
car in front brakes suddenly. Due to the
limitations of the camera and radar unit,

braking may come unexpectedly or not at
all.

•

follow the vehicle ahead in the same lane
at a time interval set by the driver. If the
radar unit cannot see any vehicle in front
then the car will instead maintain the
speed set and stored by the driver. This
also takes place if the speed of the vehicle
ahead increases and exceeds the stored
speed.

Position of the car in the lane

When Pilot Assist helps to steer, it attempts to
place the car halfway between the visible lane
markings. For a smoother drive, it is a good
idea to allow the car to find a good position.
The driver can always adjust the position him/
herself by increasing the steering input. It is
important that the driver checks to make sure
the car is positioned safely in the lane.

If Pilot Assist does not position the car in an
appropriate way in the lane, it is recom-
mended to turn Pilot Assist off or switch to
adaptive cruise control

This function can be either standard or optional, depending on market.

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315

Steering assistance

The current status of steering
assistance is indicated by the
colour of the steering wheel's
symbol:

• GREEN steering wheel indi-
cates active steering assis-

tance

• GREY steering wheel (as in illustration) indi-
cates deactivated steering assistance.

Pilot Assist steering assistance takes into
account the speed of the preceding car and
the lane markings. The driver can at any time
ignore the Pilot Assist steering recommenda-
tion and steer in another direction, e.g. to
change lane or avoid an obstruction on the
road.

If Pilot Assist cannot interpret the lane unam-
biguously, e.g. if the camera and radar unit
does not see the lane's side markings, Pilot
Assist temporarily deactivates steering assis-
tance, but resumes it if the lane can be inter-
preted again - although the speed and dis-
tance control functions remain active. The
steering wheel vibrates slightly when deacti-
vated temporarily in order to alert the driver to
the change.

WARNING

Pilot Assist steering assistance is automati-

cally deactivated and is resumed without

prior warning.

Round bends and when the road splits

Pilot Assist interacts with the driver, who
should therefore not wait for the steering
assistance from Pilot Assist but should always
be prepared to increase his/her own steering
input, especially in bends.

When the car approaches an exit or if the lane
splits, the driver should steer towards the
desired lane so that Pilot Assist can detect the
desired direction.

Hands on the steering wheel

In order for Pilot Assist to function, the driver’s
hands must be on the steering wheel. It is also
important for the driver always to carry on
being active and alert when driving as Pilot
Assist is unable to read all situations and the
function may toggle between off and on with-
out prior warning.

If Pilot Assist detects that the
driver does not keep his/her
hands on the steering wheel,
the system gives a warning
with a symbol and text mes-
sage in the driver display in
order to prompt the driver to

actively steer the car.

If the driver's hands still cannot be detected
on the steering wheel after a few seconds, the
prompt to actively steer the car is repeated,
supplemented by an acoustic signal.

If Pilot Assist cannot detect the driver's hands
on the steering wheel after a further few sec-
onds, the warning signal becomes intensive
and the steering function is deactivated. Pilot
Assist must then be restarted using the steer-
ing wheel button

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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.

•

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.

IMPORTANT

Maintenance of driver support components
must only be performed at a workshop –
an authorised Volvo workshop is recom-
mended.

Related information

•

•

Selecting and activating Pilot Assist

(p. 319)

•

Display mode for Pilot Assist

(p. 317)

•

Symbols and messages for Pilot Assist

•

(p. 324)

•

Controls for Pilot Assist

(p. 316)

•

Warning from driver support in the event
of a collision risk (p. 326)

•

Change of target with driver support
(p. 327)

•

Set time interval to vehicle ahead (p. 328)

•

Set the stored speed for driver support
(p. 327)

•

Automatic braking with driver support
(p. 330)

•

Overtaking Assistance

(p. 325)

Controls for Pilot Assist

A summary of how Pilot Assist is controlled
using the left-hand keypad on the steering
wheel and how the function is shown in the
display.

Buttons and symbols for the function.

▶

: Switches from adaptive cruise control

to Pilot Assist

From standby mode

- activates Pilot

Assist and stores the current speed

From active mode

- deactivates/

changes Pilot Assist to standby mode

: Activates Pilot Assist from standby

mode and resumes the stored speed and
time interval

: Increases the stored speed

This function can be either standard or optional, depending on market.

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317

: Reduces stored speed

Increases the time interval to vehicles
ahead
Reduces the time interval to vehicles
ahead

◀

: Switches from Pilot Assist to adaptive

cruise control
Function symbol

Symbols for target car

Symbol for time interval to vehicles ahead

Symbol for activated/deactivated steering
assistance

Related information

•

Display mode for Pilot Assist

The following image example shows how
Pilot Assist can be shown in the display in dif-
ferent contexts.

Speed

Indication of speeds.

Stored speed

Speed of vehicle ahead

Current speed of your car

Time interval

Pilot Assist only regulates the
time interval to the vehicle
ahead when the distance
symbol shows a vehicle (1)
above the steering wheel
symbol.

Pilot Assist steering assistance is only active
when the steering wheel symbol (2) has
changed from GREY to GREEN.

When driving

In the following illustrative example, the road
sign information (RSI

) function informs the

driver that the maximum permitted speed is
130 km/h (80 mph).

This function can come as either standard or an option depending on the market.

Road Sign Information

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The previous illustration shows that Pilot
Assist is set to maintain 110 km/h (68 mph)
and that there is no vehicle ahead to follow.

Pilot Assist provides no steering assistance
since the lane's side markings cannot be
detected.

The previous illustration shows that Pilot
Assist is set to maintain 110 km/h (68 mph)
and at the same time is following a vehicle
ahead which is keeping the same speed.

Pilot Assist provides no steering assistance
since the lane's side markings cannot be
detected.

The previous illustration shows that Pilot
Assist is set to maintain 110 km/h (68 mph)
and at the same time is following a vehicle
ahead which is keeping the same speed.

Here, Pilot Assist also provides steering assis-
tance since the lane's side markings can be
detected.

The previous illustration shows that Pilot
Assist is set to maintain 110 km/h (68 mph)
and that there is no vehicle ahead to follow.

Pilot Assist provides steering assistance as the
lane markings can be detected.

Related information

•

•

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Selecting and activating Pilot

Assist

Pilot Assist must first be selected and then
activated to be able to control speed and dis-
tance and to give steering assistance.

Green steering wheel indicates that Pilot Assist is

providing steering assistance.

In order to start the Pilot Assist it is required
that.

•

The driver's seatbelt must be buckled and
the driver's door must be closed.

•

The lane's edge markings must be clear
and must be detected by the car.

•

There must be a vehicle (the "target vehi-
cle") within reasonable distance in front of
the car, or the current speed must be at
least 15 km/h (9 mph).

•

The speed must not exceed 140 km/h (87
mph).

•

The driver must keep his/her hands on the
steering wheel.

•

There must be a vehicle (the "target vehi-
cle") within reasonable distance in front of
the car, or the current speed must be at
least 15 km/h (9 mph).

•

For cars with manual gearbox. Speed
must be at the lowest 30 km/h (20 mph).

1. Press

◀

(1) or

▶

(3) to scroll to the symbol

for Pilot Assist

(4).

> The symbol is grey – Pilot Assist is in

standby mode.

2. When Pilot Assist is selected – press the

steering wheel button

(2) to activate.

> The symbol is white – Pilot Assist is

started and the current speed is stored
as maximum speed.

Reactivating Pilot Assist to last stored
speed

–

When Pilot Assist is selected – press the
steering wheel button

to activate.

> The cruise control markings and sym-

bols in the driver display change colour
from GREY to WHITE — the car will
now follow the most recently stored
speed again.

WARNING

A significant increase in speed may follow
when the speed is resumed with the

steering wheel button.

Related information

•

•

Deactivate Pilot Assist

•

This function can be either standard or optional, depending on market.

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Deactivate Pilot Assist

Pilot Assist can be deactivated and switched
off.

1. Press the steering wheel button

(2).

> The symbol and indicators turn grey –

Pilot Assist is set in standby mode. The
indicator for time interval and symbol
for target vehicle, if activated, are also
switched off.

2. Press the steering wheel button

◀

(1) or

▶

(3) to change to another function.
> The driver display's symbol and indica-

tor for Pilot Assist (4) are switched off
– which deletes the stored maximum
speed.

WARNING

•

With Pilot Assist in standby mode, the
driver must intervene and steer, regu-
lating both speed and distance to the
vehicle ahead.

•

When Pilot Assist is in standby mode
and the car comes too close to a vehi-
cle ahead, the driver is warned of the
short distance by the distance warn-
ing

function instead.

Related information

•

Selecting and activating adaptive cruise
control

•

(p. 308)

•

Change between cruise control and adap-
tive cruise control

in the centre display

(p. 312)

•

Limitations for adaptive cruise control

(p. 311)

•

Temporary disabling of steering assistance
with Pilot Assist

(p. 321)

Standby mode for Pilot Assist

Pilot Assist can be deactivated and set in
standby mode. This can take place due to
driver intervention or automatically.

Standby mode means that the function is
selected in the driver display but not activated.
In this case, Pilot Assist does not regulate the
speed or distance to the vehicle in front, or
provide steering assistance.

Standby mode on driver intervention

Pilot Assist is deactivated and set in standby
mode if any of the following occurs:

•

The foot brake is used.

•

The gear selector is moved to

position.

•

The direction indicators are used for
longer than 1 minute.

•

The driver maintains a speed higher than
the stored speed for longer than 1 minute.

•

The clutch pedal is depressed for
approx. 1 minute - applies to cars with
manual gearbox.

This function can be either standard or optional, depending on market.

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Automatic standby mode

WARNING

With automatic standby mode, the driver is

warned via an acoustic signal and a mes-

sage on the driver display.

•

The driver must then regulate the car's
speed, apply the brakes as needed and
maintain a safe distance to other vehi-
cles.

Automatic standby mode may be engaged in
the event of one of the following.

•

One of the systems that Pilot Assist is
dependent on stops working, e.g. stability
control / anti-skid

•

Hands not holding the steering wheel.

•

The driver opens the door.

•

The driver takes off the seatbelt.

•

The engine speed is too low/high.

•

One or more wheels lose traction.

•

The brake temperature is high.

•

The parking brake is applied.

•

The camera and radar unit is covered by
e.g. snow or heavy rainfall (camera lens/
radio waves are blocked).

•

The speed is below 5 km/h (3 mph) and
Pilot Assist is uncertain whether the vehi-
cle ahead is a stationary vehicle or an
object, such as a speed bump.

•

The speed is below 5 km/h (3 mph) and
the vehicle ahead turns off so that Pilot
Assist no longer has a vehicle to follow.

•

Speed is reduced to below 30 km/h
(20 mph) - only applies to cars with man-
ual gearbox.

Related information

•

Selecting and activating Pilot Assist

•

(p. 319)

•

Deactivate Pilot Assist

•

Temporary disabling of steering

assistance with Pilot Assist

Pilot Assist steering assistance can be tem-
porarily disabled and resumed without prior
warning.

When the direction indicators are used, Pilot
Assist steering assistance is temporarily dis-
engaged. When the direction indicator is
switched off, steering assistance is reactivated
automatically if the lane's edge markings can
still be detected.

If Pilot Assist is unable to interpret the lane
clearly, e.g. if the camera or radar unit is
unable to see the side markings for the lane,
Pilot Assist temporarily disables steering
assistance – speed and distance regulation
functions remain active. Steering assistance is
resumed when the lane can be interpreted
again. In these situations, slight vibration in
the steering wheel may alert the driver to the
fact that steering assistance has been deacti-
vated temporarily.

Related information

•

Selecting and activating Pilot Assist

•

(p. 319)

•

Deactivate Pilot Assist

•

Electronic Stability Control

This function can be either standard or optional, depending on market.

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Limitations of Pilot Assist

The Pilot Assist function may have limitations
in certain situations.

The Pilot Assist function is an aid which can
help the driver in many situations. But the
driver is at all times responsible for maintain-
ing a safe distance to surrounding objects and
a correct position in the lane.

WARNING

In certain situations, Pilot Assist steering

assistance may have difficulty helping the

driver in the right way or it may be auto-

matically deactivated - in which case, the

use of Pilot Assist is not recommended.

Examples of such situations may be that:

•

the lane markings are unclear, worn,
missing, or they cross each other, or if
there are several sets of lane markings.

•

the lane division is changed, e.g. when
the lanes split or merge, as well as on
slip roads.

•

at roadworks and sudden changes in
the roadway, e.g. when the lines may
stop marking the correct route.

•

edges or other lines than lane markings
are present on or near the road, e.g.
kerbs, 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 impaired view

with poor light conditions, back-light-
ing, wet road surface etc.

The driver should also note that Pilot Assist

has the following limitations:

•

High kerbs, 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 car and
such obstacles. The driver must ensure
him/herself that the car is at a suitable
distance from such obstacles.

•

The camera and radar sensor does not
have the capacity to detect all oncom-
ing objects and obstacles in traffic
environments, e.g. potholes, stationary
obstacles or objects which completely
or partially block the route.

•

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

•

The recommended steering input is
force limited, which means that Pilot
Assist cannot always help the driver to
steer and keep the car within the lane.

•

In cars equipped with Sensus
Navigation

, the function has the

option of using information from map

This function can be either standard or optional, depending on market.

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data, which may result in varied per-
formance.

•

Pilot Assist is switched off if the power
steering for speed related steering
force is working with reduced power –
e.g. during cooling due to overheating.

WARNING

Pilot Assist must only be used if there are

clear lane lines painted on each side of the

lane. All other use involves increased risk of

contact with surrounding obstacles that

cannot be detected by the function.

WARNING

•

This is not a collision avoidance sys-
tem. The driver is always responsible
and must intervene if the system does
not detect a vehicle ahead.

•

The function does not brake for
humans or animals, and not for small
vehicles such as bicycles and motorcy-
cles. Nor for low trailers, oncoming,
slow or stationary vehicles and objects.

•

The driver always has the possibility of cor-
recting or adjusting a steering intervention
imposed by Pilot Assist and can turn the steer-
ing wheel to the desired position.

Steep roads and/or heavy load

Bear in mind that Pilot Assist is primarily
intended for use when driving on level road
surfaces. The function may have difficulty in
keeping the correct distance from the vehicle
ahead when driving on steep downhill slopes -
in which case, be extra attentive and ready to
brake.

Do not use Pilot Assist if the car has a heavy
load or a trailer is connected to the car.

NOTE

Pilot Assist cannot be activated if a trailer,
bicycle rack or similar is connected to the
car's electrical system.

Drive mode unavailable

Off Road

drive mode cannot be selected

when Pilot Assist is activated.

NOTE

This function uses the car's camera and
radar units, which have certain general lim-
itations.

Related information

•

Limitations for camera and radar unit
(p. 389)

•

•

Speed-dependent steering force (p. 268)

•

Drive modes (p. 441)

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Symbols and messages for

Pilot Assist

A number of symbols and messages regar-
ding Pilot Assist can be shown via the driver
display.

Symbol

Message

Specification

Grey steering wheel symbol

Indicates deactivated steering assistance. When Pilot Assist provides steering assis-
tance, the steering wheel is green.

Symbol for hands on the steering wheel The system cannot detect whether the driver has his/her hands on the steering wheel.

Place your hands on the steering wheel and actively steer the car.

Windscreen sensor

Sensor blocked, see Owner's man-
ual

Clean the windscreen in front of the camera and radar unit's detectors.

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

•

•

Driving support systems (p. 268)

This function can be either standard or optional, depending on market.

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}}

* Option/accessory.

325

Overtaking Assistance

Overtaking Assistance can help the driver
when overtaking other vehicles. The function
can be used with adaptive cruise control

Pilot Assist

When adaptive cruise control or Pilot Assist is
following another vehicle and the driver indi-
cates the intention to overtake by activating
the direction indicator

, the systems help by

accelerating the vehicle towards the vehicle
ahead

before

the driver's vehicle reaches the

overtaking lane.

The function then delays reducing speed in
order to avoid premature braking when the
driver’s car is approaching a slower vehicle.

The function remains active until the driver’s
vehicle has cleared the overtaken vehicle.

WARNING

Be aware that this function can be acti-

vated in more situations than during over-

taking, e.g. when a direction indicator is

used to indicate a change of lane or exit to

another road – the car will then accelerate

briefly.

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.

•

Related information

•

•

Use Overtaking Assistance (p. 325)

•

•

Use Overtaking Assistance

Overtaking assistance can be used with
adaptive cruise control

or Pilot Assist

. There

are a number of criteria if Overtaking Assis-
tance is to be used.

The following conditions must exist for Over-
taking Assistance to be activated:

•

there must be a vehicle in front (the “tar-
get vehicle”)

•

your car's

current speed

at least 70 km/h (43 mph)

•

the stored speed

must be high enough

for overtaking to take place safely.

To start the Overtaking Assistance:

–

Activate the direction indicator.

Use the left-hand direction indicator in a
left-hand drive car right in a right-hand
drive car.
> Overtaking Assistance is started.

On left flash only in left-hand-drive car, or right flash in right-hand-drive car.

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WARNING

When using the Overtaking Assistance

System, the driver should be aware that

there may be undesired acceleration if the

conditions suddenly change.
Some situations should therefore be avoi-

ded, such as if:

•

the car is approaching an exit to turn-
off in the same direction as overtaking
would normally occur.

•

the vehicle ahead slows down before
the driver's car has crossed over into
the overtaking lane.

•

the traffic in the overtaking lane slows
down.

•

a right-hand drive car is driven in a
county with left-hand traffic (or vice
versa).

Situations of this kind can be avoided by

temporarily setting adaptive cruise control

or Pilot Assist in standby mode.

Related information

•

Overtaking Assistance

(p. 325)

•

•

Standby mode for adaptive cruise control

•

(p. 310)

•

Standby mode for Pilot Assist

Driving support systems (p. 268)

Warning from driver support in the

event of a collision risk

The driver support systems of adaptive cruise
control

and Pilot Assist

can warn the driver

if the distance to the vehicle ahead suddenly
becomes too short.

Audio and symbol for collision warning

Acoustic signal in the event of a risk of col-
lision
Warning signal in the event of a risk of col-
lision
Distance measurement with the camera
and radar unit

Adaptive cruise control and Pilot Assist use
approx. 40% of the capacity of the foot brake.
If the car needs to be braked more heavily
than the driver support is capable of and the
driver does not brake, the warning lamp and

acoustic warning are activated to alert the
driver that immediate intervention is required.

WARNING

The driver support systems only warn of

vehicles which their radar unit has detected

– hence a warning may not be given, or it

may be given with a certain delay. Never

wait for a warning. Apply the brakes when

the situation requires.

Related information

•

•

•