2002.5 Peugeot 406 engine

THE KEYS
The keys allow you to switch on the
ignition and to independently operate
the locks on the front door, the glove
box and the passenger air bag dis
arming switch.
Central locking
From the driver's door, the keys
allow you to lock, deadlock* and
unlock the doors and boot/tailgate.
If one of the front doors is open, the
central locking does not work.
The remote control performs the
same functions at a distance.
The remote control
Locking
Press button Ato lock the vehicle.
YOUR 406 IN DETAIL 105
This is confirmed by fixed lighting of
the direction indicators for approxi
mately two seconds.
Unlocking
Press button
B to unlock the vehicle.
This is confirmed by rapid flashing of
the direction indicators.
Note: do not repeatedly press the
button of your remote control out of
range of your vehicle. You risk caus
ing it not to work and the remote con
trol would have to be reprogrammed. ELECTRONIC ENGINE
IMMOBILISER
This locks the engine management
system as soon as the ignition has
been switched off and therefore pre
vents starting of the vehicle by any
one who does not have the key.
The ignition key has an electronic
chip which has a special code. When
the ignition is switched on, the code is
recognised and starting is possible.
If the system does not function
correctly,
an audible signal sounds,
accompanied by a message on the
multifunction display.
WARNING: your vehicle is no longer
protected in this event.
Contact a PEUGEOT dealer as soon
as possible.
Locating your car
To locate your car, if you have locked
it, in a car park: 
press button A. The courtesy
lights come on and the direction
indicators flash for a few seconds.
Key in ignition
A buzzer sounds on opening the dri
ver's door, if the key has been left in
the ignition.
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29-07-2002
YOUR 406 IN DETAIL107
Make a careful note of the number on each key. The key number i s coded on the label attached to the key. If
the key is lost, your PEUGEOT dealer can rapidly supply you with ne w keys.
The highfrequency remote control is a highperformance system.
Do not operate it while it is in your pocket as there is a p ossibility that it may unlock your vehicle without your knowledge .
The remote control cannot operate if the key is in the ignit ion, even if the ignition is switched off, except for reprogram
ming.
Do not operate the deadlock if there is someone inside the vehicle.
As a safety measure (when there are children on board), remove the i gnition key when leaving the vehicle, even for a
short time.
Do not handle the buttons of your remote control when out of range of your vehicle as you run the risk of stopping it from
working.
It would then be necessary to reprogramme the remote control.
When buying a secondhand car:
– ensure that you are in possession of the confidential card;
– have the key codes memorised by a PEUGEOT dealer, to ensure that the keys in your possession are the only ones
that can start your vehicle.
Do not make any modifications to the electronic engine immobil iser system.

THE KEYS
The keys allow you to switch on the
ignition and to independently operate
the locks on the front door, the glove
box and the passenger air bag dis
arming switch.
Central locking
From the driver's door, the keys
allow you to lock, deadlock* and
unlock the doors and boot/tailgate.
If one of the front doors is open, the
central locking does not work.
The remote control performs the
same functions at a distance.
The remote control
Locking
Press button Ato lock the vehicle.
YOUR 406 IN DETAIL 105
This is confirmed by fixed lighting of
the direction indicators for approxi
mately two seconds.
Unlocking
Press button
B to unlock the vehicle.
This is confirmed by rapid flashing of
the direction indicators.
Note: do not repeatedly press the
button of your remote control out of
range of your vehicle. You risk caus
ing it not to work and the remote con
trol would have to be reprogrammed. ELECTRONIC ENGINE
IMMOBILISER
This locks the engine management
system as soon as the ignition has
been switched off and therefore pre
vents starting of the vehicle by any
one who does not have the key.
The ignition key has an electronic
chip which has a special code. When
the ignition is switched on, the code is
recognised and starting is possible.
If the system does not function
correctly,
an audible signal sounds,
accompanied by a message on the
multifunction display.
WARNING: your vehicle is no longer
protected in this event.
Contact a PEUGEOT dealer as soon
as possible.
Locating your car
To locate your car, if you have locked
it, in a car park: 
press button A. The courtesy
lights come on and the direction
indicators flash for a few seconds.
Key in ignition
A buzzer sounds on opening the dri
ver's door, if the key has been left in
the ignition.
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OPENING THE BONNET
From inside:pull the handle on the
lefthand side under the fascia.
From outside: lift the catch and
raise the bonnet.
Bonnet struts
These open the bonnet and hold it
open.
To close
Lower the bonnet and release it at
the end of its travel. Check that the
bonnet is properly locked. FILLING WITH FUEL
Fill with fuel with the engine switched
off.
To open the fuel filler flap, firmly pull
the handle on the floor on the left of
the driver's seat.
If you are filling up your tank, do not
continue after the 3rd cutoff of the
pump; this could cause your vehicle
to malfunction.
The capacity of the tank is approxi
mately 15.4 gallons (70 litres).
A filler cap hook is provided on
the inside of the fuel filler flap.
YOUR 406 IN DETAIL
110

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PETROL / LPG DUALFUEL VERSION
166
Filling the LPG tank
(Capacity approximately 46 litres)
– switch off the ignition,
– unscrew the cap protecting thefiller opening,
– lock the filler nozzle onto the opening (if necessary, screw the
appropriate adapter*, located in
the insulated compartment, onto
the filler opening first),
– push the button on the pump,
– once filling has stopped automati cally, unlock the filler nozzle,
– screw the protective cap back onto the filler opening.
* according to destination. Petrol gauge
When the low petrol level indicator
comes on, fill the tank without delay
as the engine can only start using
petrol. Furthermore, a low petrol
level may result in fuel circuit faults.
Gas gauge
If the outside temperature is high,
the gas level indicated by the fuel
gauge may be slightly higher than
the actual level. Safety advice
The safety valve must be
closed before any mainte
nance or repair work is
carried out on your vehicle. To
close it, switch off the ignition.
Ensure that there is no risk that
the loads carried may damage the
tank.
Testing the tank
Decree of 18/01/43 and applica
tion of article 3 of the A.M. of
24/11/82.
The maximum interval between
successive tests is eight years.
However, the test must be repeat
ed whenever the vehicle is sold, if
this sale takes place more than
5 years following the last test.
It is imperative that any work on
the LPG feed system is carried
out by a PEUGEOT dealer.

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AUTOMATIC SWITCHING ON
OF THE LIGHTS
Side lights and dipped beam head
lamps switch on automatically if the
light is poor, or during continuous
operation of the windscreen wipers.
They switch off as soon as the light
becomes bright enough or the wind
screen wipers stop.
This function is active when the vehi
cle is supplied to the customer.
To disarm or activate the function: Place the key in the accessories
position (1st notch),
 Press the end of the lights stalk
for more than two seconds.
Note: In foggy weather, the bright
ness sensor can detect sufficient
light. Because of this, the lights do
not come on automatically.
Do not cover the brightness sen
sor connected to the rain sensor,
located in the windscreen behind
the mirror. It is used for automatic
switching on of the lights. Operating check
Activation
Activation of this function is accom
panied by an audible signal and the
message
"Automatic lighting of
the headlamps activated" on the
multifunction display.
Note: Always operate the lighting
controls manually where this is pos
sible.
Disarming
Disarming of the function is accom
panied by an audible signal.
When driving, if this function is
switched off when the headlamps
would switch on in automatic mode,
the lights remain on.
It is however possible to disarm this
function and switch off the lights by:
manually switching off the lights using the lights stalk,
switching off the engine.
YOUR 406 IN DETAIL 123
If the brightness sensor does not
function correctly, the system acti
vates the function (the lights come
on).The driver is alerted by the flash
ing of the ''dipped beam'' warning
light on the instrument panel.
Contact a PEUGEOT dealer to have
the system checked.
Follow me Home
When there is a low level of bright
ness or at night, if you leave your
vehicle, the side lights and the
dipped beam lights may remain on
for approximately one minute.
To do this: place the lights stalk in the AUTO
position,
 place the key in the accessories
position (first notch),
 press the end of the lights stalk for
more than two seconds,
 place the lights stalk in the 0posi
tion,
 flash the headlamps,
 get out of the car and lock it.

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DRIVING YOUR 406
146
THE AUTOMATIC AUTOADAPTIVE GEARBOX
The
4gear automatic gearbox provides the comfort of integral automatic reg
ulation, enhanced by a sport programme (switchA) and a snow programme
(switch B).
Gear selection gate
– Move the lever in the gate to select one of the functions. Once the position has
been selected, the indicator light for that function is di splayed on the
instrument panel.
P ark (parking): for immobilisingthe vehicle and for startingthe engine, with the
handbrake on or off.
R everse: to drive in reverse gear(select this position when the vehicle is
stationary, engine at idle).
N eutral: for starting the engine and forparking, with the handbrake on.
D rive: to drive in autoadaptive mode (with automatic changing of the four
gears).
3 : for urban driving or for driving on winding roads(automatic changing of the
first three gears only).
2 : for mountain roads or for towing a trailer (automatic changing of the first
two gears only).
1 : for tackling steep gradients (selection of first gear only).
Special feature of the gearbox (1.8 and 2 litre petrol engi nes, 2 litre turbo
diesel HDI engine)
Selection of first gear is by pressing switch C, with the lever in position 2.
To change out of first gear, press switch Cagain or move the selector lever.
V6 Engine
1.8 litre and 2 litre petrol
engines, 2 litre turbo diesel
HDI engine

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Automatic operation
Automatic changing of thefour
gears :
 Select function Din the gate.
The gearbox always selects the
most suitable gear on the basis of
the following parameters:
– driving style,
– road characteristics,
– the vehicle's load.
The gearbox operates in autoadap
tive mode without any action on
your part.
Moving off
With the engine running, to move off
with the selector lever in position
P:
 It is essential to press the brake
pedal to exit position P (shift
lock),
 Select the required function (R, D,
3 , 2 or 1)then gradually release
the pressure on the brake pedal;
the vehicle will move off
immediately.
You can also move off with the
selector lever in position N:
 Release the handbrake with your
foot on the brake,
 Select the required function (R,D ,
3 , 2 or 1)then gradually release
the pressure on the brake pedal;
the vehicle will move off
immediately.
DRIVING YOUR 406 147
When the engine is idling,
with the brakes not
applied, if function R,D, 3,
2 or 1is selected, the
vehicle will move even if you are
not accelerating.
For this reason, do not leave
children unsupervised inside
the vehicle, when the engine is
running.
When maintenance operations
need to be carried out with the
engine running, apply the hand
brake and select function P.
Never select function Nwhen the
vehicle is moving.
Never select functions Por R
unless the vehicle is stationary.
Do not change from one position
to another to improve braking effi
ciency on a slippery surface.
With the selector lever in position
P, it will be impossible to change
to another position if your battery
is flat.
Remarks
To obtain maximum acceleration
without touching the gear lever,
press the accelerator pedal down as
far as it will go (kickdown). The gear
box will change down automatically
or stay in the gear selected, up to
maximum engine speed.
When braking, the gearbox changes
down automatically so as to provide
efficient engine braking.
If you take your foot off the accelera
tor suddenly, the gearbox will not
change up, so as to improve safety.