2023 PEUGEOT 408 warning light

2
Contents
 ■
Overview
 ■
Eco-driving
 1Dashboard instrumentsDriver information 10
Digital instrument panels 10
Warning and indicator lamps 11
Indicators 17
Manual test 19
Total distance recorder 19
Trip computer 19
10-inch touch screen 20
i-Toggles 22
Remotely operable additional functions
(Rechargeable hybrid)
22
 2AccessElectronic key with remote control function and
built-in key 24
Proximity Keyless Entry and Start 26
Central locking 28
Back-up procedures 29
Doors 31
Boot 31
Motorised tailgate 31
Alarm 35
Electric windows 37
Sunroof 38
 3Ease of use and comfortDriving position 40
Front seats 41
Steering wheel adjustment 45
Heated steering wheel 45
Mirrors 45
Rear bench seat 47
Heating and Ventilation 48
Dual-zone automatic air conditioning 49
Front demisting/defrosting 52
Rear screen demisting/defrosting 52
Heated windscreen 53
Temperature pre-conditioning
(Rechargeable hybrid)
53
Front fittings 54
Courtesy lamps 57
Interior ambient lighting 58
Rear fittings 58
Boot fittings 59
 4Lighting and visibilityExterior lighting control stalk 61
Direction indicators 62
Headlamp beam height adjustment 62
Automatic illumination of headlamps 63
Guide-me-home and welcome lighting 63
Automatic lighting systems - General
recommendations
64
Automatic headlamp dipping 64
Peugeot Matrix LED Technology 2.0 65
Night Vision 67
Wiper control stalk 68
Intermittent wipers 70
Automatic wipers 70
Changing a wiper blade 71
 5SafetyGeneral safety recommendations 72
Hazard warning lamps 72
Horn 73
Pedestrian horn (Rechargeable hybrid) 73
Emergency or assistance 73
Electronic stability control (ESC) 75
Seat belts 78
Airbags 80
Active bonnet 82
Child seats 83
Deactivating the front passenger airbag 84
ISOFIX child seats 85
i-Size child seats 87
Installing child seats 88
Child lock 90
 6DrivingDriving recommendations 91
Starting/switching off the engine 92
Starting rechargeable hybrid vehicles 93
Electric parking brake 94
Automatic gearbox 96
Driving modes 99
Hill start assist 100
Gear shift indicator 101
Stop & Start 101
Tyre under-inflation detection 103
Driving and manoeuvring aids - General
recommendations
104
Steering wheel with hands-on detection 106
Shortcuts for driving aids 106
Road signs recognition 107
Speed limiter 111
Cruise control - Specific recommendations 11 2 CarM an uals 2 .c o m

5
Overview
1.Exterior lighting controls/Direction indicators/
Instrument panel display page/Service
indicator
2. Wiper controls/Screenwash/Trip computer
3. Automatic gearbox control paddles
4. Speed limiter/Cruise control/Adaptive cruise
control/Drive Assist Plus or Drive Assist 2.0
controls
A. Increase/Decrease the speed setting
Display and adjustment of the distance
setting to the vehicle in front (Adaptive cruise
control)
B. Select/Deselect the Cruise control
Select/Deselect the Adaptive cruise control/
Drive Assist Plus
C. Start/Pause the Speed limiter or Cruise
control with the speed setting saved
Confirmation of vehicle restart after automatic
stop (Adaptive cruise control with Stop&Go
function)
D. Select/Deselect the Speed limiter
E. Activation of the Speed limiter or Cruise
control with the speed setting saved
Use the speed suggested by the Road signs
recognition function
5. Horn/Driver front airbag
6. Audio system setting controls
F. Press: Display favourite radio stations/media
Up/Down: previous/next radio/media/
smartphone selection
Press: validation of a selection
G. Increase/Decrease the volume H.
Pick up/Hang up
Access to the Phone application's call log
I. Short press: system voice commands
Long press: smartphone voice commands
Side control bar



1. LED technology headlamps beam height
adjustment
2. Motorised tailgate
3. Heated windscreen
4. Heated steering wheel
5. Opening the fuel filler flap
6. Temperature pre-conditioning operation
indicator lamp
Centre control bars



1. Automatic air conditioning system controls/
HOME button
or
i-Toggles/HOME button
2. Audio system controls
3. Shortcuts for driving aids
4. Access to the Climate application
5. Windscreen and front windows demisting
6. Recirculation of interior air
7. Rear screen de-icing
8. Switching automatic air conditioning off
9. Hazard warning lamps CarM an uals 2 .c o m

11
Dashboard instruments
1► Press the button located at the end of the
lighting control stalk to scroll through the different
pages.
The new page is applied immediately
.
When a message is displayed in a
temporary window, pressing this button
will cause this window to disappear
immediately.
Settings for displayed pages
The available settings operations are: addition,
deletion and layout of pages and widgets.
It is possible to memorise up to 5 pages.
Each page may contain 1 or 2 widgets:
–

With 1 widget, large display in central position.
–


With 2 widgets, reduced display in side
position.
The colour for each driving mode may be
personalised.

A default setting is suggested.
The setting also matches the interior ambient
lighting (depending on availability).
The settings are changed via the Settings > Customization touch screen
application.
For more information on Personalisation -
Instrument Panel, refer to the corresponding
section for the Audio equipment and telematics
systems.
Warning and indicator
lamps
Displayed as symbols, the warning and indicator
lamps inform the driver of the occurrence of a
malfunction (warning lamps) or of the operating
status of a system (operation or deactivation
indicator lamps). Certain lamps light up in two
ways (fixed or flashing) and/or in several colours.
Associated warnings
The illumination of a lamp may be accompanied
by an audible signal and/or a message displayed
in a screen.
Relating the type of alert to the operating status
of the vehicle allows you to determine whether
the situation is normal or whether a fault has
occurred: refer to the description of each lamp
for further information.
When the ignition is switched on
Certain red or orange warning lamps come on
for a few seconds when the ignition is switched
on. These warning lamps should go off as soon
as the engine is started.
For more information on a system or a function,
refer to the corresponding section.
Persistent warning lamp
If a red or orange warning lamp comes on, there
may be fault which needs further investigation.
If a lamp remains lit
The references (1), (2) and (3) in the warning
and indicator lamp description indicate whether
you should contact a qualified professional in
addition to the immediate recommended actions.
(1): You must stop the vehicle .
Stop as soon as it is safe to do so and switch off
the ignition.
(2): Contact a PEUGEOT dealer or a qualified
workshop.
(3): Go to a PEUGEOT dealer or a qualified
workshop.
List of warning and
indicator lamps
Red warning/indicator lamps
STOP
Fixed, associated with another warning
lamp, accompanied by the display of a
message and an audible signal.
A serious fault with the engine, braking system,
power steering or automatic gearbox or a major
electrical fault has been detected.
Carry out (1) and then (2).
Traction battery overheating
(Rechargeable hybrid)
Fixed, combined with the STOP
warning lamp, accompanied by the
display of a message and an audible signal.
The traction battery's temperature is too high.
Carry out (1). CarM an uals 2 .c o m

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Dashboard instruments
1Identify the cause of the fault using the message
displayed on the instrument panel.
You may be able to deal with some faults
yourself, such as changing the battery in the
remote control.
For other faults, such as with the tyre under-
inflation detection system, carry out (3).
Fixed, accompanied by the display of a
message.
One or more major faults, for which there is/are
no specific warning lamp(s), have been detected.
Identify the cause of the fault using the message
displayed on the instrument panel, then carry
out (3).
Fixed, accompanied by the message
"Parking brake fault".
Automatic release of the electric parking brake is
unavailable.
Carry out (2).
BrakingFixed.
A minor fault with the braking system has
been detected.
Drive carefully.
Carry out (3).
Malfunction (with electric parking brake)Fixed, accompanied by the
message "Parking brake fault".
The vehicle cannot be immobilised with the
engine running. If manual application and release commands are
not working, the electric parking brake control is
faulty.
The automatic functions must be used at all
times and are automatically reactivated in the
event of a fault with the control.
Carry out (2).
Fixed, accompanied by the
message "Parking brake
fault".
The electric parking brake is faulty: manual and
automatic functions may not be working.
When stationary, to immobilise the vehicle:
►

Pull the electric parking brake control and
hold it for approximately 7 to 15

seconds, until
the indicator lamp lights up on the instrument
panel.
If this procedure does not work, secure the
vehicle:
►

Park on a level surface.
►


Select mode


P on the automatic gearbox,
then place the supplied chock against one of the
wheels.
Then carry out (2).
Automatic functions deactivated (electric
parking brake)
Fixed.
The "automatic application" (on switching
off the engine) and "automatic release" (on
acceleration) functions are deactivated.
If automatic application/release is no longer
possible:
►

Start the engine. ►


Use the control to apply the electric parking
brake.
►

T
ake your foot fully off the brake pedal.
►
Hold the control pressed in the release
direction for between 10 and 15
seconds.
►
Release the control.
►

Depress and hold the brake pedal.
►

Pull the control in the application direction for
2
seconds.
►
Release the control and the brake pedal.
Anti-lock braking system (ABS)Fixed.
The anti-lock braking system has a fault.
The vehicle retains conventional braking.
Drive carefully at moderate speed, then carry
out (3).
Power steeringFixed.
A minor fault in the power steering has
been detected.
Drive carefully at moderate speed, then carry
out (3).
Engine self-diagnostic systemFlashing.
The engine management system has a
fault.
There is a risk that the catalytic converter will be
destroyed.
You must carry out (2).
Fixed.
The emissions control system has a fault. CarM an uals 2 .c o m

15
Dashboard instruments
1Low fuel levelFixed, accompanied by an audible signal
and a message.
When it first comes on, there remains
approximately 6 litres of fuel in the tank
(reserve).
Until the fuel level is topped up, this alert will
be repeated every time the ignition is switched
on, with increasing frequency as the fuel level
decreases and approaches zero.
Refuel without delay to avoid running out of fuel.
Never drive until completely empty, as
this could damage the emissions control and
injection systems.
Collision Risk Alert/Active Safety BrakeFixed, accompanied by the display of a
message.
The system has been deactivated via the touch
screen.
Flashing.
The system activates and brakes the
vehicle momentarily to reduce the speed of
collision with the vehicle in front.
For more information, refer to the Driving
section.
Fixed, accompanied by a message and
an audible signal.
The system has a fault.
Carry out (3).
Fixed.
The system has a fault.
If these warning lamps come on after the engine
is switched off and then restarted, carry out (3).
Fixed.
The system is deactivated
temporarily because the driver and/or front
passenger (depending on version) has been
detected as present but the corresponding seat
belt has not been fastened.
Lane keeping assistFixed.
The system has been automatically
deactivated or placed on standby.
Flashing.
You are about to cross a broken
lane marking without operating the direction
indicators.
The system is activated, then corrects the
trajectory if it detects a risk of unintentionally
crossing a line or hard shoulder (depending on
version).
For more information, refer to the Driving
section.
Fixed, accompanied by the display
of a message and an audible
signal.
The system has a fault.
Carry out (3).
Stop & StartFixed, accompanied by the display of a
message.
The Stop & Start system has been deactivated
manually.
The engine will not switch off at the next traffic
stop. Reactivate the system via the touch screen.
Fixed.
The Stop & Start system has been
deactivated automatically.
The engine will not switch off at the next traffic
stop, if the exterior temperature is:
–

below 0°C.
–


above +35°C.
For more information, refer to the

Driving
section.
Flashing then fixed, accompanied by a
message.
The system has a fault.
Carry out (3).
Rear foglampsFixed.
The lamps are on.
Night VisionFixed.
The function has been activated, but
the vehicle is travelling too fast or the exterior
temperature conditions are outside the operating
range.
The display is available with " Night vision"
mode but the system does not emit an alert.
For more information, refer to the Lighting and
visibility section. CarM an uals 2 .c o m

16
Dashboard instruments
Peugeot Matrix LED Technology 2.0Fixed, accompanied by an audible signal
and a message.
A malfunction
of the Peugeot Matrix LED
Technology 2.0 headlamps or of the camera has
been detected.
Carry out (2).
Automatic headlamp dippingFixed, accompanied by an audible signal
and a message.
A function or camera malfunction is detected.
Carry out (2).
Green warning/indicator lamps
Stop & Start
Fixed.
When the vehicle stops, the Stop & Start
system puts the engine into STOP mode.
Flashing temporarily.
STOP mode is momentarily unavailable
or START mode is automatically triggered.
For more information, refer to the Driving
section.
Vehicle ready to drive (Rechargeable
hybrid)
Fixed, accompanied by an audible signal
when it comes on.
The vehicle is ready to drive.
The indicator lamp goes out upon reaching a
speed of approximately 3 mph (5
km/h) and
lights up again when the vehicle stops moving.
The lamp will go out when you switch off the
motor and exit the vehicle.
Seat unoccupied/Seat belt not fastenedFixed.
(grey)
With the ignition on, one of the front or rear
passenger seats is considered to be unoccupied.
Seat occupied/Seat belt fastenedFixed.
With the ignition on, the driver or a
passenger has fastened their seat belt.
Direction indicatorsFlashing with audible signal.
The direction indicators are on.
Daytime running lamps/SidelampsFixed.
With adequate ambient light, the daytime
running lamps are on.
With inadequate ambient light, the sidelamps
are on.
Dipped beam headlampsFixed.
The lamps are on.
Night Vision
Fixed.
(grey)
The function is activated, but not available.
Fixed.
The function is active.
All of the conditions are met: the system is
operating.
For more information, refer to the Lighting and
visibility section.
Peugeot Matrix LED Technology 2.0Fixed.
(grey)
The function is activated, but not available.
All the operating conditions have not been met.
Fixed.
The function is active.
All of the conditions are met: the system is
operating.
For more information, refer to the Lighting and
visibility section.
Automatic headlamp dippingFixed.
The function has been activated
via the touch screen.
The lighting control stalk ring is in the “ AUTO”
position.
For more information, refer to the Lighting and
visibility section.
Blue warning/indicator lamps
Main beam headlamps
Fixed.
The lamps are on.
Black/white warning lamps
Foot on the brake
Fixed.
Insufficient or no pressure on the brake
pedal.
With the engine running, before releasing the
parking brake, to move out of mode P on an
automatic gearbox. CarM an uals 2 .c o m

17
Dashboard instruments
1e-SAVE function (Rechargeable hybrid)Fixed, accompanied by the reserved
electric range.
The function is activated.
Indicators
Service indicator
The servicing information is expressed in terms
of distance (miles or kilometres) and time
(months or days).
The alert is given at whichever of these two
terms is reached first.
The servicing information is displayed in the
instrument panel. Depending on the version of
the vehicle:
–

The distance recorder display line indicates
the distance remaining before the next service
is due, or the distance travelled since it was due
preceded by the "-" sign.
–


An alert message indicates the distance
remaining, as well as the period before the next
service is due or how long it is overdue.
The value indicated is calculated according to the distance covered and
the time elapsed since the last service.
The alert may also be triggered close to a
due date.
Service spannerOn temporarily when the ignition is
switched on.
Between 620 and 1,860 miles (1,000 and 3,000
km) remain before the next service is due.
Fixed, when the ignition is switched on.
The next service is due in less than 620
miles (1,000 km).
Have your vehicle serviced very soon.
Service spanner flashingFlashing then fixed, when the ignition is
switched on.
The servicing interval has been exceeded.
Have your vehicle serviced as soon as possible.
Resetting the service indicator
The service indicator must be reset after each
service.
If you have serviced your vehicle yourself:
►

Switch the ignition off.



► Press and hold the button located on the end
of the lighting control stalk.
► Switch on the ignition without starting the
engine; a temporary display window appears and
a countdown begins.
►

When the display indicates =0

, a confirmation
message appears; release the lighting control
stalk button and the spanner symbol disappears.
If you disconnect the battery following
this operation, lock the vehicle and wait
at least 5 minutes for the reset to be
registered.
Reminder of the servicing information
Servicing information is accessible using
the Settings > Vehicle application on the
touch screen.
►

Then select
Safety > Diagnostics.
Engine oil level indicator
(Depending on version)
The level read will only be correct if the vehicle is on level ground and the engine
has been off for more than 30 minutes.
Low oil level
This is indicated by the message " Oil
level incorrect" on the instrument panel,
accompanied by the lighting of the Service
warning lamp and an audible signal.
If a low oil level is confirmed by a check using
the dipstick, the level must be topped up to avoid
damage to the engine. CarM an uals 2 .c o m

18
Dashboard instruments
For more information on Checking levels, refer
to the corresponding section.
Oil gauge malfunction
This is indicated by the message " Oil level
measurement invalid" on the instrument panel.
Consult a PEUGEOT dealer or a qualified
workshop.
In the event of a malfunction of the
electric gauge, the oil level is no longer
monitored.
If the system is faulty, you must check the
engine oil level using the manual dipstick
located in the engine compartment.
For more information on Checking levels,
refer to the corresponding section.
Coolant temperature
indicator


With the engine running:
– In zone A, the temperature is correct.
–

In zone
B, the temperature is too high. The
associated warning lamp and the STOP
warning
lamp light up in red on the instrument panel,
accompanied by the display of a message and
an audible signal.
You must stop the vehicle as soon as it is
safe to do so.
Wait a few minutes before switching off the
engine.
After switching off the ignition, carefully open the bonnet and check the coolant
level.
For more information on Checking
levels, refer to the corresponding
section.
Power indicator
(Rechargeable hybrid)
The power indicator shows in real time the power demanded from the vehicle.
There are 3 zones:


POWER High power demand, using the combined capabilities of the petrol
engine and the electric motor.
The slider is located in this zone
during more dynamic driving phases
when high levels of performance are
being demanded.
ECO Optimal use of energy (internal combustion or electric).
The slider is located in this zone
when driving under electric power
and when optimal use is being made
of the petrol engine, both accessible
by adopting a suitable driving style.
A symbol indicates the threshold at
which the petrol engine will restart.
The driver can therefore moderate
their acceleration to remain in electric
driving mode.
CHARGE Energy recovery for partly recharging the traction battery.
The slider is located in this zone
during deceleration: taking your foot
off the accelerator pedal or braking. CarM an uals 2 .c o m