2012 CITROEN C6 maintenance

76
II
B
D
E
C
A
UNLOCKING INEMERGENCY
In the event of a malfunctioningof
the electric parking brake or a bat-
tery failure, provided your gear-
box is not in Park position (P) with
an automatic gearbox, or a gear isengaged with a manual gearbox:1.Open the lower compartmentin the central armrest by
actioning the control B.
ELECTRIC PARKING BRAKE
5. Make sure that you position
the strap back in its locationD.Otherwise, applying the brake
will not be possible after fi ve
attempts.Contact a CITROÀN dealer or
a qualifi ed workshop.
This strap cannot apply the parking brake. To re-apply the electric parking brake (after fi rst resolving the malfunction or the battery failure), pull then release the control A. The time for applying the brake subsequent to the emergency unlocking will be longer.
Note:During the emer-gency unlocking, the war-ning lamp for the electric parking brake will light upin the instrument panel.
2.Detach the CD storage sectionby pulling on the tabsC.3. Disengage the strap from itslocationD.4.Pull the strap to unlock the brake. A loud click confi rmsthat the brake is unlocked.
Note: It is essential to makesure that the parking brakewarning lamp does indeed light up in the instrument panel. Note: Presence of the dia
gnostic socket
Take care to ensure that the area around socket Eis not dusty or damp, this socket is vital to the maintenance operations on your vehicle.

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II
SPEED-SENSITIVE REAR SPOILER (DEFLECTOR)
The Piloted Defl ector enhancesthe aerodynamics and the brakingof your vehicle.
AUTOMATIC DEPLOYMENT
Two deployment stages are possible:The fi rst deployment stage isfrom around 40 mph (65 km/h).This is maintained as long
as the speed remainsabove approx.16 mph (25 km/h);
below this speed, the Piloted
Defl ector retracts completely.
The second deploymentstage is from around 78 mph(125 km/h). This is maintained
as long as the speed remainsabove approx.65 mph (105 km/h); below this speed,
the Piloted Defl ector returns
to the fi rstdeployment stage.


MAINTENANCE
For any maintenance that may be
necessary on your Piloted Defl ec-
tor (leaves or other components jammed), deploy it in the main-
tenance position: Switch off the
ignition then within one minute
action the wiper stalk. Your Piloted
Defl ector deploys.
Next, to retract it, start then drive at
over 6 mph (10 km/h).Note: The maintenance position makes the wipers stand up verti-cally. See "Wash/wipe".
ACCESSORIESIt is recommended to place
the Piloted Defl ector in themaintenance position before
installing an accessory on the
boot (for example a bicycle-carrier).Installation of accessories on
the vehicle (roof bars, roof box,
bicycle-carrier, etc.) limits theeffectiveness of the Piloted Defl ector.
Note:Depending on engine-type,certain versions are equipped witha fi xed defl ector.


If you wash the vehicle with a high pressure system, make sure that thePiloted Defl ector is closed.

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III
AUTOMATIC AIR CONDITIONING
AIR CONDITIONING
This system automatically adjusts the temperature, the fl ow of air and the distribution of air inside the cabin,
depending on your desired comfort level.
Provided
you retain automatic mode (by pressing button "AUTO") and all the air vents are open, you will main-
tain an optimum comfort level, also removing humidity
and misting, whatever the ambient climatic conditions.
The temperature inside the cabin cannot be lower than
the temperature outside if the air conditioning is not
operating.
To be e
ffective, the air conditioning should only be used
with the windows closed. If after a lengthy stop in bright sunlight the interior temperature is excessive, air the passenger compartment by opening the windows for a
few moments, then close them again.
To keep the air conditioning compressor well sealed, it
is essential to operate the air conditioning at least once every month.
The air conditioning operates by using power from the engine. This results in a slight increase in fuel con-sumption.
Sensors
The automatic regulation of the air conditioning inside
the cabin makes use of a number of sensors, relieving you of the need to make adjustments, other than the desired cabin temperature.
Take care not to obstruct sensor A.
Air inlet
Check that the exterior grille for the air inlet, at the bot-
tom of the windscreen, is clean and free of dead leaves,snow, etc.
If washing the vehicle with a high pressure jet, avoid
targeting the air inlet zone.
Air circulation
For your comfort we advise you to maintain a proper
distribution of air within the cabin, both at the front andat the rear.
The air vents to the
face have thumbwheels so that you can
adjust the fl ow of air, and grilles to orient the direction.
Th
ere are air vents on the fl oor underneath the frontseats and on the rear control panel, for enhancedheating of the rear seat positions.
Do not obstruct the air outlets located in the boot area.
Dust/pollen fi lter
There is a fi lter for excluding pollen and dust.
This
fi lter has to be changed according to the vehicle
maintenance schedule. See "Maintenance and WarrantyGuide".

88
III
AUTOMATIC AIR CONDITIONING
Remarks:When starting from cold, in order to prevent
unwanted cold air, the air fl ow will increase onlygradually to its optimum level.
If you enter the vehicle after a fairly prolongedstop and the temperature inside the vehicle is
uncomfortable, it serves no purpose to modify
the temperature that is displayed as an attempt
to go immediately to the desired comfort level.
The system automatically uses all of its power tocompensate the temperature gap as quickly as possible.
Remarks:Water arising from the condensation in the air conditioning drains out through a hole provided for this purpose; a pool of water may thus form
underneath the vehicle when stationary.
Whatever the time of year, even in cool weather the
air conditioning is useful in removing humidity and
misting.
You are advised to have the air conditioning system checked on a regular basis. See
"Maintenance and Warranty Guide".
If you are towing a heavy trailer and outside
temperatures are high, the air conditioning may
be temporarily paused if the engine cooling
requires this.
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Manual mode
One or more functions can be adjusted manually, whilestill retaining the other functions in automatic mode.
To return to"AUTO" mode, press button 1.
Stopping the air conditioning
Turn the control4to the left until the air fl ow stops com-pletely. The symbol "OFF"appears on the screen.
The display and the warning lamps go out, indicatingdeactivation of all the functions, except for rear screen
demisting.
The com
fort level (temperature, humidity, odour, misting)is no longer controlled.
To reactivate the air conditioning, press button 1.
Avoid travelling for too long with the air conditioningdeactivated.

121
IVA
B
C
D
LEVELS
Air fi lter
Follow the requirements set out in the Maintenance and Warranty Guide.
REFER TO THE CHAPTER: USER PRECAUTIONS.
Screen wash and
headlamp wash fl uid
Use CITROËN-approved products wherever possible.
Capacity: See "Capacity".
Engine coolant
The fl uid level should be between the marks MIN.and
MAX. on the header tank.
Engine hot, wait at least
15 minutes.
Qualit
y: See "Maintenance and
Warranty Guide".
Never do anything relating to
the cooling system of an engine
that is hot.
Poles "+" and "-" for
starting with a slave battery
See "Starting the engine with an assisting battery".
Engine oil
Check the engine oil level
on horizontal ground withthe engine having beenswitched off for at least30 minutes.
It is normal to top up the engine oilbetween two services. The manu-
facturer recommends that the oil bechecked and topped up if necessaryevery 3 000 miles (5 000 Km).
Qualit
y:See "Maintenance and
Warranty Guide".
Pull out the manual dip-
stick.
Th
e level should be between
the marks MIN.and MAX.on the gauge.
It must never exceed the maximum.
MAX.
MIN.
Brake fl uid
The level of fl uid should be between the marks MIN.andMAX. on the reservoir.
Quality: See "Maintenance and
Warranty Guide".
If this warning lamp comes on
when driving, stop as soon as it is safe to do so and contact a CITROËN dealer or a qualifi ed
workshop.
Power steering and
suspension oil
For topping up, it is neces-sary to go to a CITROËN pp g p,
dealer or a qualifi ed workshop.
Quality: See "Maintenance and
Warranty Guide".
If opening the bonnet when the engine is hot, even if it is stopped and the ignition is switched off, remember thatthe cooling fan may operate at any moment.
Between routine servicing visits, check the level of engine oil frequently as well as before going on a longjourney.
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123
IVDB
1
1
TOPPING UP ENGINE OIL
Before fi lling, pull out the dipstick.
Check the dipstick after fi lling.
It must never exceed the maxi-
mum.
Screw the cap back on and close
the bonnet.
Quality: See "Maintenance andWarranty Guide".
LEVELS
RADIATOR – COOLANT FLUID
Checking the level and topping up
with fl uid must always be done with
the engine cold.
Engine hot
Wait 15 minutes or for the tempe-
rature to be lower than 100 °C and
then carefully unscrew the cap so as
to allow the pressure to drop, pro-
tectin
g yourself with, for example, a cloth.
Topping up the coolant
The level of coolant1 should bebetween theMIN. andMAX. mark-ings on the header tank.
Top up the level. If more than 1 litre
is added, have the cooling systemchecked by a CITROËN dealer or ,gy
a qualifi ed workshop.
Make sure that the cap is back
on properly.Note:If you need to top up the fl uid frequently, this indicates a malfunc-tion which you should get checked
at the earliest opportunity.
Note:The cooling fan may oper-ate for around 10 minutes after theengine has stopped.
Quality:See "Maintenance and
Warranty Guide".
If opening the bonnet when the engine is hot, even if it is stopped and the ignition is switched off, remember that the cooling fan may operate at any moment.

138
V
A
SAFETY RECOMMENDATIONS
It is recommended that towbar installation and removal bedone by a CITROËN dealer or a qualifi ed workshop.
If you are towing another vehicle, the latter must be free-wheeling (gearbox in neutral).
Dimensions(in metres):
A:0.971
TOWBAR
(Boat, caravan, etc.)
It is recommended that towbar installation and removal be done
by a CITROËN dealer or a quali-fi ed workshop.
If you are climbing a steep gradient
and the engine gets excessively
hot, certain functions become una-
vailable (e.g. sequential control of
the automatic gearbox, the air con-
ditioning).
If you are towing, it is necessary to
deactivate the parking assistance
by pressing the control on the dash-
board. See "Parking assistance".
It is recommended that
you remove
the towing ball, so that it does not
interfere with the functioning of the
proximity sensors, when you are
not using a trailer.
MAINTENANCE
If cleaning the vehicle with a highpressure system:Your Piloted Defl ector has to be closed.
It is not advisable to clean the
underside of the vehicle, for fear of damaging the electricparking brake.As water may penetrate into
the vehicle interior via the door
apertures, do not target these areas.
Do not direct at the headlamps,
lamps and their edges for too
long or you may damage their coating and seals.
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7.4
02 GENERAL MENU

MAP:orientation, details, display.
AUDIO FUNCTIONS:radio, CD, Jukebox, options.
For maintenance of the display, the use of asoft, non-abrasive cloth(spectacles cloth) is recommended without anyadditional product.

TELEMATIC:telephone, directory, SMS.
CONFIGURATION:vehicle, display, time, languages, voice, auxiliarysocket (AUX) parameters.()p

VIDEO:activation, parameters.VEHICLE DIAGNOSTICS: warnings log.
NAVIGAT ION GUIDANCE: GPS, stages, options.
TRAFFIC INFORMATION:TMC information, messages.
AIR CONDITIONING:on/off and dual zone control (according to equipment).