2023 PEUGEOT 408 cooling

12
Dashboard instruments
Evacuate the vehicle as quickly as possible
and move to a safe distance.
Carry out (2).
Traction battery malfunction
(Rechargeable hybrid)
Fixed, combined with the Service
warning lamp, accompanied by the
display of a message.
The traction battery has a fault.
Carry out (2).
Maximum coolant temperatureFixed.
The temperature of the cooling system is
too high.
Carry out (1), then wait until the engine has
cooled down before topping up the level, if
necessary. If the problem persists, carry out (2).
Engine oil pressureFixed.
There is a fault with the engine lubrication
system.
Carry out (1) and then (2).
System malfunction (Rechargeable hybrid)Fixed.
The rechargeable hybrid system is faulty.
Carry out (1) and then (2).
Cable connected (Rechargeable hybrid)Fixed when the ignition is switched on.
The charging cable is connected to the
vehicle's connector.
Fixed when the ignition is switched on,
accompanied by a message.
It is not possible to start the vehicle while the
charging cable is connected to the vehicle’s
connector.
Disconnect the charging cable and close the
flap.
12 V battery chargeFixed.
The battery charging circuit is faulty
(e.g.

dirty terminals, loose or severed alternator
belt).
Carry out (1).
If the electric parking brake stops working,
immobilise the vehicle:
►

Fit the chock against one of the wheels.
Clean and tighten the terminals. If the warning
lamp does not go off when the engine is started,
carry out (2).
BrakingFixed.
The brake fluid level in the braking circuit
has dropped significantly.
Carry out (1), then top up with fluid that complies
with the manufacturer's recommendations. If the
problem persists, carry out (2).
Fixed.
The electronic brake force
distribution

(EBFD) system is faulty.
Carry out (1) and then (2).
Electric parking brakeFixed.
The electric parking brake is applied.
Flashing.
Application/release is faulty.
Carry out (1): park on flat ground (on a level
surface).
Select mode
P on the automatic gearbox.
Switch off the ignition and carry out (2).
Power steeringFixed, accompanied by an audible signal.
The power steering has a fault.
Carry out (1) and then (2).
Door(s) openFixed, associated with a message
identifying the access.
An audible signal supplements the alert if the
speed is higher than 6 mph (10
km/h).
A door or the boot is not properly closed.
Seat belts not fastened/unfastenedFixed or flashing, accompanied by an
increasing audible signal.
A seat belt has not been fastened or has been
unfastened.
Orange warning/indicator lamps
Service
Temporarily on, accompanied by the display of a message.
One or more minor faults, for which there is/are
no specific warning lamp(s), have been detected. CarM an uals 2 .c o m

59
Ease of use and comfort
3The cup holders have a removable reducer to
be used depending on the diameter of the cans
and cups.
The pen holder can also hold a smartphone.
Ski flap
Device for storing and transporting long objects.
Opening
► With the rear armrest lowered, open the flap
by pulling its handle downwards.


► Load the objects from inside the boot.
Shark fin antenna

A ventilation grille is present at the rear of the
roof for cooling the shark fin antenna.
Any ventilation noise produced, with the ignition
on or the engine running, is completely normal.
Boot fittings

1. Load space cover shelf
2. Rear seat folding controls
3. Bag hooks
4. 12
V (120 W) socket
5. Boot lamps
6. Retaining straps
7. Storage net or Hi-Fi amplifier
8. Stowing rings
9. Rigid boot floor or hinged boot carpet
(Rechargeable hybrid)
Storage well/Tool box under the floor
The stowing rings are designed to secure
luggage using different types of retaining
nets or suitable straps.
For more information, contact a PEUGEOT
dealer or a qualified workshop.
Load space cover

It consists of two parts:
– a removable part A
, fixed to the rear pillars of
the passenger compartment,
–

a removable part B

, fixed to the frame of the
rear screen.


To remove part A:
► Note the direction of fitting.
►

Unclip the rear mounting 1

on each side.
►

Unclip the front mounting 2

on each side. CarM an uals 2 .c o m

92
Driving
Towing
Driving with a trailer places greater
demands on the towing vehicle and
particular care must be taken.
Do not exceed the maximum towable
weights.
At altitude: reduce the maximum load by
10% per 1,000 metres of altitude; the lower
air density at high altitudes decreases engine
performance.
New vehicle: do not tow a trailer until the
vehicle has driven at least 620 miles
(1,000 kilometres).
If the outside temperature is high, let the
engine idle for 1 to 2 minutes after the
vehicle comes to a stop, to help it to cool.
Before setting off
Nose weight
► Distribute the load in the trailer so that the
heaviest items are as close as possible to the
axle and the nose weight (at the point where it
joins your vehicle) approaches the maximum
permitted without exceeding it.
Tyres
► Check the tyre pressures of the towing
vehicle and of the trailer , observing the
recommended pressures.
Lighting
► Check the electrical signalling on the trailer
and the headlamp beam height of your vehicle.
If a genuine PEUGEOT towing device is
used, the rear parking sensors will be
deactivated automatically to avoid the audible
signal.
When driving
Cooling
Towing a trailer uphill causes the coolant
temperature to increase. The maximum towable
load depends on the gradient and the exterior
temperature. The fan’s cooling capacity does not
increase with engine speed.
►

Reduce speed and lower the engine speed to
limit the amount of heating produced.
►


Pay constant attention to the coolant
temperature.
If this warning lamp and the STOP
warning lamp come on, stop the
vehicle and switch off the engine as soon as
possible.
Brakes
Using the engine brake is recommended to limit
the overheating of the brakes. Braking distances
are increased when towing a trailer.
Side wind
Bear in mind that the vehicle will be more
susceptible to wind when towing.
Anti-theft protection
Electronic immobiliser
The keys contain a code, which must be
recognised by the vehicle before starting is
possible.
If the system malfunctions, indicated by the
display of a message, the engine will not start.
Contact a PEUGEOT dealer.
Starting/switching off the
engine
The electronic key must be present in the passenger compartment.
The electronic key is also detected in the
boot.
If the electronic key is not detected, a
message is displayed.
Move the electronic key so that the engine
can be started or switched off. CarM an uals 2 .c o m

144
Practical information
► Insert the filler nozzle and push it in as far as
possible before starting to refuel (to minimise the
risk of splashing).
►

Fill the tank.
Do not continue after the nozzle’

s third cut-
out. Doing so may cause malfunctions.
►

Put the filler cap back in place and turn it to
the right (depending on version).
►


Push the fuel filler flap to close it.
The vehicle is fitted with a catalytic converter

,
which helps to reduce the level of harmful
emissions in the exhaust gases.
For petrol engines, you must use unleaded
fuel.
The filler neck is narrower, allowing only
unleaded petrol nozzles to be inserted.
If you have put in the wrong fuel for
the vehicle, you must have the fuel
tank drained and filled with the correct fuel
before starting the engine.
Rechargeable hybrid
system
Electrical system
The electrical circuit of the rechargeable hybrid
system is identified by orange cables and its
components are marked with this symbol:


The rechargeable hybrid powertrain uses a voltage of between 240 V and 400 V.
This system may be hot both when the
ignition is on and after switching it off.
Comply with the warning messages shown
on the labels, particularly inside the charging
flap.
High voltage system voltage is
dangerous and can cause burns or other
injuries or even fatal electric shock.
Since damage to high voltage components is
not visible, PEUGEOT recommends that you:
–

Never touch the components, damaged
or not, and never let your jewelry or other
metallic objects come into contact with these
components.
–


Never work on the orange high voltage
cables or on any other high voltage
component marked with the Electric risk label.
Any intervention on the high voltage system
must be carried out by qualified persons in
workshops qualified and approved to carry
out this type of work.
–


Never damage, modify or remove the
orange high voltage cables or disconnect
them from the high voltage network.
– Never open, modify or remove the cover of
the traction battery .
–

Never work with cutting and forming
tools or heat sources near high voltage
components and cables.
In case of low level of fluid in the cooling
tank, the refilling shall only be performed in a
qualified and trained workshop to verify that
the leakage is not in the traction battery

.
Any intervention on the high voltage system
must be carried out by qualified persons in
workshops qualified and approved to carry
out this type of work.
Damage to the vehicle or the traction battery
could result in the leakage of toxic gases or
fluids either immediately or later. PEUGEOT
recommends that you:
–

Always inform the fire and emergency
services in the event of an incident, warning
that the vehicle is equipped with a traction
battery

.
–

Never touch the liquids leaking from the
traction battery

.
–

Do not inhale the gases emitted by the
traction battery which are toxic.
–


Move away from the vehicle in the event of
incident or accident, the gases emitted being
flammable and could cause a fire.
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158
Practical information
Direct fitting on roof

The transverse bars must only be fixed at the
four anchorage points located on the roof frame.
These points are concealed by the vehicle doors
when the doors are closed.
The roof bar fixings have a stud which must be
inserted into the opening of each anchorage
point.
Recommendations
Distribute the load uniformly, taking care
to avoid overloading one of the sides.
Arrange the heaviest part of the load as close
as possible to the roof.
Secure the load firmly.
Drive gently: the vehicle will be more
susceptible to the effects of side winds and its
stability may be affected.
Regularly check the security and tight
fastening of the roof bars, at least before each
trip.


Sunroof
Do not operate the sunroof when using
roof bars - risk of major damage!
Very cold climate screen
(Depending on country of sale)
This removable device prevents the
accumulation of snow around the radiator
cooling fan.
It consists of an element to be attached to the
lower part of the front bumper.
In case of difficulty with installation/
removal
Contact a PEUGEOT dealer or a qualified
workshop.
Before any operation, ensure that the
engine is off and the cooling fan has
stopped.
It is essential to remove it when:
– the outside temperature exceeds
10°C.
–

recovery is in progress.
–


the speed is above 75 mph (120
km/h).
Fitting/Removing

► Align the top centre of the screen with the top
centre of the front bumper grille.

CarM an uals 2 .c o m

160
Practical information
To recharge the battery, avoid repeatedly or
continuously restarting the engine.
A flat battery prevents the engine from starting.
For more information on the 12
V battery,
refer to the corresponding section.
Load reduction mode
This system manages the use of certain
functions according to the level of charge
remaining in the battery.
When the vehicle is being driven, the load
reduction function temporarily deactivates certain
functions, such as the air conditioning and the
heated rear screen.
The deactivated functions are reactivated
automatically as soon as conditions permit.
Bonnet
For more information on the Active bonnet,
refer to the corresponding section.
Stop & Start
Before doing anything under the bonnet,
you must switch off the ignition to avoid any
risk of the engine restarting automatically.
Take care with objects or clothing that could
be caught in the blades of the cooling fan
or in certain moving components - risk of
strangulation and serious injury!
Rechargeable hybrid vehicles
Before any work is carried out under the
bonnet, it is essential to switch off the ignition
and disconnect the charging connector nozzle
if it is connected, check that the READY
indicator lamp is off on the instrument panel
and wait 4 minutes - risk of serious injury!
The location of the interior bonnet release lever prevents the bonnet being
opened when the left-hand front door is
closed.
When the engine is hot, handle the
exterior safety catch and the bonnet stay
with care (risk of burns), using the protected
area.
When the bonnet is open, take care not to
damage the safety catch.
Do not open the bonnet under very windy
conditions.
Cooling of the engine when stopped
The engine cooling fan may start after
the engine has been switched off.
Take care with objects or clothing that
could be caught in the blades of the fan!
Opening



► Open the left- hand front door.
► Pull the interior release lever , located at the
bottom of the door frame, towards you.

CarM an uals 2 .c o m

161
Practical information
7► Lift the exterior safety catch and raise the
bonnet.
►

Unclip the stay from its housing and place it
in the support slot to hold the bonnet open.
Closing
► Lower the bonnet and release it near the end
of its travel.
►

Check the locking.
Because of the presence of electrical
equipment under the bonnet, it is strongly
recommended that exposure to water (rain,
washing, etc.) be limited.
Engine compartment
The engine shown here is an example for
illustrative purposes only.
The locations of the following components may
vary:
–

Air filter
.
–

Engine oil dipstick.
–


Engine oil filler cap.
Petrol engine

1. Screenwash fluid reservoir
2. Engine coolant reservoir
3. Brake fluid reservoir
4. Battery/Fuses
5. Remote earth point (-)
6. Fusebox
7. Air filter
8. Engine oil filler cap
9. Engine oil dipstick
Checking levels
Check all of the following levels regularly in
accordance with the Manufacturer's service
schedule. Top them up if required, unless
otherwise indicated.
If a level drops significantly, have the
corresponding system checked by a PEUGEOT
dealer or a qualified workshop.
The fluids must comply with the
Manufacturer's requirements and with
the vehicle's engine.
Take care when working under the bonnet, as certain areas of the engine
may be extremely hot (risk of burns) and the
cooling fan could start at any time (even with
the ignition off).
Used products
Avoid prolonged contact of used oil or fluids with the skin.
Most of these fluids are harmful to health and
very corrosive.
Do not discard used oil or fluids into
sewers or onto the ground.
Empty used oil into the containers reserved
for this purpose at a PEUGEOT dealer or a
qualified workshop.
Engine oil
The level is checked, with the engine having been switched off for at least 30
minutes and on level ground, either using the oil
level indicator in the instrument panel when the
ignition is switched on (for vehicles equipped
with an electric gauge), or using the dipstick.
It is normal to top up the oil level between two
services (or oil changes). It is recommended
that you check the level, and top up if necessary,
every 3,000 miles (5,000 km). CarM an uals 2 .c o m

162
Practical information
In order to maintain the reliability of the
engine and emissions control system,
never use additives in the engine oil.
Checking using the dipstick
For the location of the dipstick, please refer
to the illustration of the corresponding engine
compartment.
►

Grasp the dipstick by its coloured grip and
pull it out completely

.
►

Wipe the end of the dipstick using a clean,
lint-free cloth.


► Reinsert the dipstick and push fully down,
then pull it out again to visually check the oil
level: the correct level is between marks A
(max)
and B (min).
Do not start the engine if the level is:
–

above mark
A: contact a PEUGEOT dealer or
a qualified workshop.
–

below mark B

: top up the engine oil
immediately.
Oil grade
Before topping up or changing the
engine oil, check that the oil is suitable
for your engine and complies with the
recommendations in the service schedule
supplied with the vehicle (or available
from your PEUGEOT dealer or qualified
workshop).
Use of non-recommended oil may invalidate
your warranty in the event of engine failure.
Topping up the engine oil level
For the location of the engine oil filler cap, please
refer to the corresponding engine compartment
illustration.
►

Add oil in small quantities, avoiding any spills
on engine components (risk of fire).
►


W
ait a few minutes before checking the level
again using the dipstick.
►

T
op up the level if necessary.
►

After checking the level, carefully screw the
oil filler cap back on

and replace the dipstick in
its tube.
The oil level indication displayed on the instrument panel when the ignition is
switched on is not valid for 30 minutes
following an addition of oil.
Brake fluid
The level of this fluid should be close to
the "MAX" mark. If not, check the brake
pads for wear.
To know how often the brake fluid should be
replaced, refer to the manufacturer's servicing
schedule.
Clean the cap before removing it to refill.
Use only DOT4 brake fluid from a sealed
container.
Engine coolant
It is normal to top up this fluid between
two services.
The check and top-up must only be done with
the engine cold.
A level of coolant that is too low risks causing
major damage to the engine; the coolant level
must be close to the "MAX" mark without ever
going above it.
If the level is close to or below the " MIN" mark, it
is essential to top it up.
When the engine is hot, the temperature of the
coolant is regulated by the fan.
As the cooling system is pressurised, wait at
least one hour after switching off the engine
before carrying out any work.
In order to avoid the risk of scalding if you need
to top up in an emergency, wrap a cloth around
the cap and unscrew the cap by two turns to
allow the pressure to drop.
Once the pressure has dropped, remove the cap
and top up to the required level.
Screenwash fluid
Top up to the required level when necessary. CarM an uals 2 .c o m