Temperature Citroen C4 2012 2.G User Guide
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Page 69 of 332
3
COMFORT
67
DUAL-ZONE DIGITAL AIR CONDITIONING
Automatic operation
We recommend the use of
one of the three AUTO modes
available: they provide opti-
mised regulation of the tem-
perature in the passenger
compartment according to the comfort
value that you have chosen.
These three modes automatically adjust
the air fl ow, according to the desired set-
ting, while also maintaining the desired
comfort value.
)
Press the "AU TO "
button repeatedly:
- a fi rst indicator lamp comes on; the
"light" setting mode is selected,
- a second indicator lamp comes
on; the "medium" setting mode is
selected,
- a third indicator lamp comes on;
the "intense" mode setting is se-
lected.
The air conditioning system operates when the engine is running. When the engine is cold, the air
fl ow will reach its optimum level
progressively, taking account
of the weather and the desired
comfort level so as to avoid too
great a distribution of cold air.
On entering the vehicle, if the in-
terior temperature is much colder
or warmer than the comfort val-
ue, there is no need to change
the value displayed in order to
obtain the comfort required. The
system corrects the difference in
temperature automatically and
as quickly as possible.
1. Automatic comfort programme
This system is designed to operate
effectively in all seasons, with the win-
dows closed.
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3
COMFORT
68
7. Air fl ow adjustment
)
Turn this control to the left
to decrease the air fl ow or
to the right to increase the
air fl ow.
The air fl ow indicator lamps, between
the two fans, come on progressively in
relation to the value requested. For maximum cooling or heating
of the passenger compartment,
it is possible to exceed the mini-
mum value 14 or the maximum
value 28.
)
Turn control 2
or 3
to the left
until "LO"
is displayed or
to the right until "HI"
is dis-
played.
See "Front demisting - defrosting".
4. Automatic visibility programme
Manual operation
If you wish, you can make a different
choice from that offered by the system
by changing a setting. The the "AUTO"
indicator lamps go off; the other func-
tions will still be controlled automati-
cally.
)
Pressing the "AUTO"
button returns
the system to completely automatic
operation.
5. Air conditioning On/Off
)
Press this button to switch
off the air conditioning.
Switching the system off could result in
discomfort (humidity, condensation).
)
Press this button again to return to
automatic operation of the air con-
ditioning. The indicator lamp on the
"A/C"
button comes on.
)
Press one or more but-
tons to direct the air fl ow
towards:
6. Air distribution adjustment
- the windscreen and side windows
(demisting or defrosting),
- the outer and centre air vents,
- the footwells.
You can combine the three orientations
to obtain the desired air distribution.
2. Driver's side adjustment
The driver and front pas-
senger can each adjust the
temperature to their require-
ments.
)
Turn control 2
or 3
to the left or to
the right respectively to decrease or
increase this value.
A setting around the value 21 provides
optimum comfort. However, depend-
ing on your requirements, a setting be-
tween 18 and 24 is normal.
You are advised to avoid a left/right set-
ting difference of more than 3.
3. Passenger's side adjustment
The value indicated on the display cor-
responds to a level of comfort and not
to a temperature in degrees Celsius or
Fahrenheit.
With Stop & Start, when dem-
isting has been activated, the
STOP mode is not available.
8. Air intake/Air recirculation
)
Press this button for recir-
culation of the interior air.
The indicator lamp in the
button comes on.
Air recirculation enables the passenger
compartment to be isolated from exte-
rior odours and smoke.
)
As soon as possible, press this but-
ton again to permit the intake of out-
side air and prevent the formation of
condensation. The indicator lamp in
the button goes off.
Page 71 of 332
3
COMFORT
69
Switching the system off
Avoid prolonged operation in in-
terior air recirculation mode or
driving for long periods with the
system off (risk of condensation
and deterioration of air quality).
9. "REST" function: ventilation with
the engine off
On switching on the engine
- The control screens come on: the
function is available.
- Pressing the REST
button activates
the ventilation for a few minutes.
Activation of the function is con-
fi rmed by the display of two dashes
in the control screens and four air
fl ow level indicator lamps.
- The function can be deactivated and
reactivated if the control screens
are on.
- The screens go off at the end of this
period.
On stopping the engine
- While the control screens remain
on: the function is available.
- Pressing the REST
button activates
the ventilation for a few minutes.
Activation of the function is con-
fi rmed by the display of two dashes
in the control screens and four air
fl ow level indicator lamps.
Locking the vehicle has no effect on
this function.
- The control screens go off at the
end of this period.
Pressing again before the end of
the period interrupts off the ventila-
tion defi nitively: the control screens
go off and the function is no longer
available.
)
Turn the air fl ow control to
the left until all of the indi-
cator lamps go off.
This action switches off the air condi-
tioning and the ventilation.
Temperature related comfort is no longer
assured but a slight fl ow of air, due to
the movement of the vehicle, can still
be felt.
)
Modify the settings (temperature,
air fl ow or air distribution) or press
the "AUTO"
button to reactivate the
system with the values set before it
was switched off.
This switch does not operate the
air conditioning, only the air fan.
When the "REST" function is ac-
tivated, you cannot modify the
temperature, air fl ow and distri-
bution settings: these are con-
trolled automatically according
to the ambient temperature.
This function is not available in
the STOP mode of Stop & Start.
Even with the engine is off,
you can operate the ventila-
tion for a few minutes.
For example, while you are
away from the vehicle, the
passengers can still enjoy some air cir-
culation without having the engine run-
ning.
This function is available after switching
on the ignition, as well as after stopping
the engine.
The period that the function is available
depends on the state of charge of the
battery.
You can activate the "REST" func-
tion while the air conditioning control
screens are on.
Page 72 of 332
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COMFORT
70
FRONT DEMIST - DEFROST
These markings on the control
panel indicate the control po-
sitions for rapid demisting or
defrosting of the windscreen
and side windows.
With manual air conditioning
)
Put the temperature, air fl ow and
distribution controls to the dedicated
marked position.
)
Put the air intake control to the
"Exterior air intake" position
(indicator lamp on the control off).
)
Switch on the air conditioning by
pressing the "A/C"
button; the warn-
ing lamp in the button comes on.
REAR SCREEN DEMIST -
DEFROST
The control button is located
on the air conditioning system
control panel.
Switching on
The rear screen demisting/defrosting
can only operate when the engine is
running.
)
Press this button to demist/defrost
the rear screen and (depending on
version) the door mirrors. The indi-
cator lamp associated with the but-
ton comes on.
Switching off
The demisting/defrosting switches off
automatically to prevent an excessive
consumption of current.
)
It is possible to stop the demisting/de-
frosting operation before it is switched
off automatically by pressing the button
again. The indicator lamp associated
with the button goes off.
)
Switch off the demisting/de-
frosting of the rear screen
and door mirrors as soon as
appropriate, as lower current
consumption results in re-
duced fuel consumption.
With digital dual-zone air
conditioning
Automatic visibility programme
)
Select this programme to demist
or defrost the windscreen and side
windows as quickly as possible.
The system automatically manages
the air conditioning, air fl ow and air
intake, and provides optimum distribu-
tion towards the windscreen and side
windows.
)
To stop the programme, press ei-
ther the "visibility"
button again or
"AUTO"
, the warning lamp on the
button goes off and the warning lamp
on the "AUTO"
button comes on.
The system starts again with the values
in use before it was overridden by the
visibility programme.
With Stop & Start, when dem-
isting has been activated, the
STOP mode is not available.
With Stop & Start, when the
demisting, air conditioning and
air fl ow functions are activated,
STOP mode is not available.
Page 97 of 332
4
ACCESS
95
PANORAMIC SUNROOF
Your vehicle is fi tted with a tinted glass
panoramic sunroof which increases the
light and visibility in the passenger com-
partment. Its electric blind helps control
the temperature in the passenger com-
partment.
Electric blind
Opening
Turn the dial to the left (four possible
settings).
Closing
Return the dial to the initial position.
Safety anti-pinch
If the blind encounters an obstacle dur-
ing closing, it stops and partially opens
again.
If the blind fails to close at a second at-
tempt, it may be necessary to force the
closing of the blind using the reinitiali-
sation procedure.
The blind is controlled electrically by a
rotary dial.
In the event of contact during op-
eration of the blind, you must re-
verse its movement. To do this,
turn the dial.
When the driver operates the
dial, they must ensure that noth-
ing prevents the blind from clos-
ing correctly.
The driver must ensure that the
passengers use the blind cor-
rectly.
Be aware of children during
operation of the blind.
Reinitialising the system
Following reconnection of the battery,
or in the event of a malfunction in its
operation, it may be necessary to reini-
tialise the system:
)
turn the dial to the fully closed posi-
tion,
)
then immediately press the dial, clos-
ing starts after about 10 seconds,
)
maintain pressure on the dial until
the blind has fully closed.
The anti-pinch function is inopera-
tive during these operations.
If the position of the blind does not
agree with the position indicated by the
dial, press the dial to open the blind to
this position.
Page 101 of 332
5
VISIBILITY
99
LIGHTING CONTROLS
System for selection and control of the
various front and rear lamps providing
the vehicle's lighting.
Main lighting
The various front and rear lamps of the
vehicle are designed to adapt the driver's
visibility progressively according to the
climatic conditions:
- sidelamps, to be seen,
- dipped beam headlamps to see
without dazzling other drivers,
- main beam headlamps to see clear-
ly when the road is clear.
Additional lighting
Other lamps are installed to fulfi l the re-
quirements of particular driving conditions:
- rear foglamps,
- front fog lamps with cornering lighting,
- directional headlamps for improved
visibility when cornering,
- daytime running lamps to be more
visible during the day,
- guide-me-home and welcome light-
ing to facilitate access to the vehicle,
- parking lamps as vehicle position
markers.
Programming
Various automatic lighting control
modes are also available depending on
whether the following options are fi tted:
- guide-me-home lighting,
- welcome lighting,
- daytime running lamps,
- directional lighting,
- automatic illumination of headlamps.
In some weather conditions (e.g.
low temperature or humidity),
the presence of misting on the
internal surface of the glass of
the headlamps and rear lamps
is normal; it disappears after the
lamps have been on for a few
minutes.
Page 165 of 332
9
DRIVING
163
STOP & START
The Stop & Start system puts the en-
gine temporarily into standby - STOP
mode - during stops in the traffi c (red
lights, traffi c jams, or other...). The en-
gine restarts automatically - START
mode - as soon as you want to move
off. The restart takes place instantly,
quickly and silently.
Perfect for urban use, the Stop & Start
system reduces fuel consumption and
exhaust emissions as well as the noise
level when stationary.
Operation
Going into engine STOP mode
The "ECO"
warning lamp
comes on in the instrument
panel and the engine goes into
standby automatically:
- with a manual gearbox
, at speeds
below 12 mph (20 km/h), when you
put the gear lever into neutral and
release the clutch pedal, If your vehicle is fi tted with
the system, a time counter
calculates the sum of the
periods in STOP mode dur-
ing a journey. It resets itself to zero ev-
ery time the ignition is switched on with
the key.
- with the 6-speed electronic gear-
box system
, at a speed below
5 mph (8 km/h), when you press the
brake pedal or put the gear lever
into position N
. With the electronic gearbox
system, for your comfort dur-
ing parking maoeuvres, STOP
mode is not available for a few
seconds after coming out of re-
verse gear.
STOP mode does not affect the
functionality of the vehicle, such
as braking, power steering, for
example.
Special cases: STOP mode
unavailable
STOP mode is not invoked when:
- the driver's door is open,
- the driver's seat belt is not fas-
tened,
- the vehicle has not exceeded 6 mph
(10 km/h) since the last engine start
using the key,
- the electric parking brake is applied
or being applied,
- the engine is needed to maintain a
comfortable temperature in the pas-
senger compartment,
- demisting is active,
- some special conditions (battery
charge, engine temperature, brak-
ing assistance, ambient tempera-
ture...) where the engine is needed
to assure control of a system.
In this case, the "ECO"
warning
lamp fl ashes for a few seconds,
then goes off. Never refuel with the engine in
STOP mode; you must switch off
the ignition with the key.
This operation is perfectly normal.
Page 166 of 332
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DRIVING
164
Deactivation
Going into engine START mode
At any time, press the "ECO OFF"
switch to deactivate the system.
This is confi rmed by the switch warning
lamp coming on accompanied by the
display of a message.
Special cases: START invoked
automatically
If the system has been deacti-
vated in STOP mode, the engine
restarts immediately. The "ECO"
warning lamp goes
off and the engine starts auto-
matically:
- with a manual gearbox
, when you
fully
depress the clutch pedal,
- with the 6-speed electronic gear-
box system
:
●
gear lever in position A
or M
, when
you release the brake pedal,
●
or gear lever in position N
and the
brake pedal released, when you
move the gear lever to position A
or M
,
●
or when you engage reverse gear.
For safety reasons or to ensure smooth
operation, START mode is invoked au-
tomatically when:
- you open the driver's door,
- you unfasten the driver's seat belt,
- the speed of the vehicle exceeds
15 mph (25 km/h) with a manual
gearbox or 7 mph (11 km/h) with the
6-speed electronic gearbox system,
- the electric parking brake is being
applied,
- some special conditions (battery
charge, engine temperature, brak-
ing assistance, ambient tempera-
ture...) where the engine is needed
to assure control of a system.
In this case the "ECO"
warning
lamp fl ashes for few seconds,
then goes off.
With a manual gearbox in STOP
mode, if a gear is engaged with-
out fully depressing the clutch
pedal, a warning lamp comes
on or an alert message is dis-
played asking you to depress
the clutch pedal to restart the
engine.
Reactivation
Press the "ECO OFF"
switch again.
The system is active again; this is con-
fi rmed by the switch warning lamp going
off and the display of a message.
The system is reactivated auto-
matically at every new start using
the key.
This operation is perfectly normal.
Page 186 of 332
10
CHECKS
184
CHECKING LEVELS
Check all of these levels regularly and
top them up if necessary, unless other-
wise indicated.
If a level drops signifi cantly, have the
corresponding system checked by a
CITROËN dealer or a qualifi ed work-
shop.
When working under the bonnet,
take care, as certain areas of the
engine may be extremely hot (risk
of burns).
The reading will only be correct if
the vehicle is on level ground and
the engine has been off for more
than 30 minutes.
The check is carried out either when the
ignition is switched on using the oil level
indicator in the instrument panel, or using
the dipstick.
It is normal to top up the oil level between
two services. CITROËN recommends that
you check the oil level, and top up if neces-
sary, every 3 000 miles (5 000 kilometres).
Oil level
Engine oil change
Refer to the servicing booklet for the
interval for this operation.
In order to maintain the reliability of the
engine and emission control system,
the use of additives in the engine oil is
prohibited.
Oil specifi cation
The oil must correspond to your engine
and conform to the manufacturer's rec-
ommendations.
Brake fluid level
The brake fl uid level should be
close to the "MAX" mark. If it is
not, check the brake pad wear.
Changing the fl uid
Refer to the servicing booklet for the
interval for this operation.
Fluid specifi cation
The brake fl uid must conform to the
manufacturer's recommendations and
meet the DOT4 standard.
Power steering fluid level
The power steering fl uid level
should be close to the "MAX"
mark. Unscrew the cap, with
the engine cold, to check the
level.
Coolant level
The coolant level should be
close to the "MAX" mark but
should never exceed it.
When the engine is warm, the
temperature of the coolant is regulated
by the fan. This can operate with the ig-
nition off.
On vehicles which are fi tted with a par-
ticle emission fi lter, the fan may oper-
ate after the vehicle has been switched
off, even if the engine is cold.
In addition, as the cooling system is
pressurised, wait at least one hour after
switching off the engine before carrying
out any work.
To avoid any risk of scalding, unscrew
the cap by two turns to allow the pres-
sure to drop. When the pressure has
dropped, remove the cap and top up
the level.
Changing the coolant
The coolant does not have to be
changed.
Coolant specifi cation
The coolant must conform to the manu-
facturer's recommendations.
Page 212 of 332
11
PRACTICAL INFORMATION
210
VERY COLD CLIMATE SCREEN *
*
According to country.
Fitting
)
Offer up the very cold climate screen
to the front of the lower section of
the front bumper.
)
Press around its edge to engage its
fi xing clips one by one.
Removal
)
Use a screwdriver as a lever to re-
lease each fi xing clip in turn.
Do not forget to remove the very
cold climate screen:
- when the ambient temperature
exceeds 10 °C,
- when towing,
- at speeds above 75 mph
(120 km/h).
Removable protective screen which
prevents the accumulation of snow at
the radiator cooling fan.
FITTING ROOF BARS
For safety reasons and to avoid dam-
aging the roof, it is essential to use the
transverse bars approved for your ve-
hicle.
When fi tting roof bars, use only the four
fi xing points located in the roof frame.
The points are masked by the vehicle
doors when closed.
The roof bar fi xings include a stud to be
fi tted to the hole at each fi xing point.
Observe the fi tting instructions and the
conditions of use in the guide supplied
with the bars.
Maximum authorised weight on
the roof rack, for a loading height
not exceeding 40 cm (with the ex-
ception of bicycle carriers): 55 kg.
As this value is subject to change,
check the maximum load fi gure
given in the guide provide d with
the roof bars.
If the height exceeds 40 cm,
adapt the speed of the vehicle
to the profi le of the road to avoid
damaging the roof bars and the
fi xings on the vehicle.
Be sure to refer to national legis-
lation in order to comply with the
regulations for transporting ob-
jects which are longer than the
vehicle.