Get Driving -> Lane positioning assist Guide for Peugeot 408 4 Door Second Generation (2022-2026)

Driving

If any of the following malfunctions occurs,

do not use the system:

► Following an impact on the windscreen

close to the camera or on the front

bumper.

The system identifies the edges of the traffic

lane and steers the vehicle to keep it inside this

lane and maintain the lateral position chosen by

the driver.

To do this, the system uses a camera placed on

the upper part of the windscreen.

► When following a narrow vehicle.

► If a brake lamp is not working.

Reactivate the system when conditions allow.

Situations in which the driver is prompted

to immediately resume control: – Excessively

sharp deceleration by the vehicle in front of you.

If the vehicle has undergone any of the

following modifications, do not use the

system:– Carrying long objects on roof bars.

This system is particularly suited to driving on

motorways and main roads.

► Towing.

► Front end of the vehicle modified (for

example by adding long-range headlamps

or painting the front bumper).

Activation/Deactivation

The Lane positioning assist system is

automatically activated, after selecting Drive

Assist Plus mode.

► Obstructed radar and/or camera.

► When a vehicle cuts in sharply between your

vehicle and the one in front.

For more information on the Drive Assist Plus

system, refer to the corresponding section.

The selection is confirmed by the display of the

symbols on the instrument panel, representing

the steering wheel and the side lines.

The colour of the symbols depends on the

operating state of the system:

Malfunction

Some vehicles on the road may be poorly

perceived or interpreted by the camera

and/or the radar (e.g. truck), which can lead

to an incorrect evaluation of distances and

result in inappropriate acceleration or braking

of the vehicle.

In the event of a malfunction, dashes are

displayed (orange) instead of the speed setting.

This warning lamp comes on,

accompanied by a message and

an audible signal, to confirm the

malfunction.

(grey)

One or more operating conditions is

not met; the system is paused.

Pay particular attention:

Have it checked by a PEUGEOT dealer or a

qualified workshop.

► When motorcycles are present and

when there are vehicles staggered

across the traffic lane.

(green)

All operating conditions are met; the

system is active.

Lane positioning assist

► When entering a tunnel or crossing a

bridge.

(orange)

System malfunction.

For more information, refer to the General

recommendations on the use of driving

and manoeuvring aids.

If the driver no longer wishes to use the

system for some time, they can deactivate it by

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Driving

pressing the ASSIST button again (confirmed

by the Driving aids area disappearing from the

instrument panel).

can occur. The system adjusts to the newly

defined position.

Paused by the driver

► Travelling outside the lane limits.

Pausing/Suspending the

system

► Too tight a grip on the steering wheel or

dynamic action on the steering wheel.

The system status is saved when the

ignition is switched off.

► Action on the brake pedal (resulting in a

pause until cruise control is reactivated) or

accelerator pedal (suspension for as long as

the pedal is depressed).

The driver must act promptly if they

believe that the traffic conditions or the

state of the road surface require their

intervention, by moving the steering wheel to

temporarily suspend system operation. Any

action on the brake pedal that causes the

Adaptive cruise control system to be paused

will also cause the system to be paused.

Operating conditions

► Adaptive cruise control active.

► ESC system operational.

► ASR system activated.

► Pausing of the Adaptive cruise control

system.

► Deactivation of the ASR system.

► No trailer detected.

► No 'space-saver' spare wheel in use.

Driving situations and

related alerts

If the system detects that the driver is

not holding the wheel firmly enough, it

triggers a series of gradual alerts and then

deactivates itself if there is no response from

the driver.

► Vehicle not subject to strong lateral

acceleration.

The tables below describe the displays

associated with the main driving situations. The

actual order of display of these alerts may be

different.

► Direction indicators off upon activation of the

system.

Regulation

If the function is suspended due to the

prolonged release of the force holding

the steering wheel, the system must be

reactivated by pressing the ASSIST button

again.

Steering

wheel-

Symbols

Comments

The driver must hold the steering wheel

properly.

mounted

controls

ASSIST or II>

When regulation is activated, the symbols are

displayed in green: with small steering inputs,

the system steers the vehicle and keeps it in the

position chosen by the driver in the traffic lane.

This position is not necessarily the centre of the

lane.

Cruise control

paused.

Automatic suspension

Suspension of the system is accompanied by a

specific audible signal.

Drive Assist

Plus switched

off.

(grey)/(grey)

The driver can feel movements in the steering

wheel.

► Triggering of the ESC system.

ASSIST or

Cruise control

on.

► Insufficient lane detection. In this case, the

Lane keeping assist function can take over,

and the system will reactivate itself once the

operating conditions are met again.

At any time, the driver can change the position of

the vehicle by intervening on the steering wheel

and maintaining the position until the system has

taken it into account. If the chosen position is too

off-centre, an automatic re-centering manoeuvre

Drive Assist

Plus switched

off.

(green) /

(green)

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Driving

ASSIST

Drive Assist

Plus activat-

ed.

Messages

Driving situations

"Hold steering wheel Imminent loss of lane

+ low audio signal"

positioning assist.

Lane position-

ing assist op-

erates nor-

mally (pres-

ence of steer-

ing wheel cor-

rection).

(framed in orange)

(green)/

(green)

"Hold steering wheel Loss of lane position-

+ high audio signal" ing assist.

(framed in red)

II>

Drive Assist

Plus paused

by the driver.

(grey) /(grey)

(green)/(grey)

ASSIST or

Drive Assist

Plus on

standby.

All the operat-

ing conditions

for lane posi-

tioning assist

have not been

met.

ASSIST or II>

Drive Assist

Plus suspend-

ed.

Cruise control

and lane posi-

tioning assist

are suspend-

ed.

(grey)/(grey)

Messages

Driving situations

Prolonged driving

without holding the

steering wheel, hold-

ing it improperly or

without applying any

force.

"Keep your hands

on the steering

wheel"

(framed in blue)

126

Driving

Risk of undesirable operation

Operating limits

Active Safety Brake

The system should be deactivated in the

following situations:

with Collision Risk Alert

and Intelligent emergency

braking assistance

The system may issue an alert when the

vehicle is travelling on a long, straight road

with smooth road surface even if the driver

thinks they are holding the steering wheel

correctly.

► Driving with a "space-saver" type spare

wheel.

► When towing or with a bicycle carrier

attached to a towing device, particularly

whena trailer is not connected or the

trailer is not an approved type.

For more information, refer to the General

recommendations on the use of driving

and manoeuvring aids.

The system may not operate or may produce

unsuitable corrections to the steering in the

following situations:

► Adverse weather conditions.

► Wearing thick gloves (with Drive Assist Plus

2.0).

► Driving on slippery road surfaces (risk of

aquaplaning, snow, ice).

► Poor visibility (insufficient road lighting,

snowfall, rain, fog).

► In roadworks or toll booth areas.

► Driving on racing circuits.

► Driving on a rolling road.

This system:

► Dazzle (headlamps of an oncoming vehicle,

low sun, reflections on a wet road surface,

leaving a tunnel, alternating light and shade).

► warns the driver that their vehicle is at risk

of collision with the preceding vehicle, a

pedestrian or a cyclist.

► Windscreen area in front of the camera

dirty, misted up, frost-covered, snow-covered,

damaged or covered by a sticker.

► reduces the vehicle's speed to avoid a

collision or to limit its severity.

Malfunction

In the event of a malfunction, the

Service warning lamp comes on and

this (orange) symbol appears on the

instrument panel, accompanied by the

display of a message and an audible

signal.

► Lane markings eroded, partially hidden

(snow, mud) or multiple (roadworks, surface

joints).

The system also takes motorcyclists into

account.

It may also react on animals. Animals

(especially animals smaller than 0.5 m) and

objects on the road are not necessarily

detected.

► Travelling in a tight bend.

► Winding roads.

Have it checked by a PEUGEOT dealer or a

qualified workshop.

► Presence of a tarmac joint on the road.

This system includes three functions:

► Collision Risk Alert.

► Intelligent emergency braking assistance

(iEBA).

► Active Safety Brake (automatic emergency

braking).

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Driving -> Lane positioning assist for Your Peugeot 408 4 Door Second Generation (2022-2026)

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