2014.5 Citroen C4 DAG brake

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C4-2_en_Chap09_conduite_ed01-2014
STOP & START
The Stop &  Start  system  puts  the  en -
gine  temporarily  into  standby  -  ST OP mode

 
-
 
during
 
stops
 
in
 
the
 
traffic
 
(red
 
lights,

 
traffic
 
jams,
 
or
 
other
...).  
The
 
en
-
gine
 
restarts
 
automatically
 
-
 
ST
ART
 mode

 
-
 
as
 
soon
 
as
 
you
 
want
 
to
 
move
 
of

f.  
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  en -
gine
  goes   into   standby   automatically:
- with a manual gearbox,  at  speeds  below
 12  mph  (20  km/h),  or  vehi -
cle
 
stationary
 
with
 
e-THP 130
 
and
 
b
lueH d i
d
iesel versions, when you
put
 
the
 
gear
 
lever
 
into
 
neutral
 
and
 
release

  the   clutch   pedal, If
 
your
 
vehicle
 
is
 
fitted
 
with
 
the

 
system,
 
a
 
time
 
counter
 
calculates

 
the
 
sum
 
of
 
the
 
periods

 
in
 
ST
OP
 mode
 
dur
-
ing  
a
 
journey
.  
It
 
resets
 
itself
 
to
 
zero
 
ev
-
ery  
time
 
the
 
ignition
 
is
 
switched
 
on
 
with
 
the

  key.
-  
with
an electronic gearbox, at a
speed
 
below
 
5
 
mph
 
(8
 
km/h),
 
when
 
you

 
press
 
the
 
brake
 
pedal
 
or
 
put
 
the
 
gear

  lever   into   position   N.With
 
an
 
electronic
 
gearbox,
 
for
 
your

 
comfort
 
during
 
parking
 
maoeuvres,

 
ST
OP
 mode
 
is
 
not
 
available

 
for
 
a
 
few
 
seconds
 
after
 
coming

  out   of   reverse   gear.
STOP
 mode
 
does
 
not
 
af
fect  
the
 
functionality of the vehicle, such
as

 
braking,
 
power
 
steering,
 
for
 
example.Special cases: ST
OP mode
unavailable
STOP
 
mode   is   not   invoked   when:
-  
the
 
vehicle
 
is
 
on
 
a
 
steep
 
slope
 
(up
 
or

  down),
-  
the
  driver's   door   is   open,
-  
the
 
driver's
 
seat
 
belt
 
is
 
not
 
fastened,
-
 
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" warn-
ing  lamp  flashes  for  a  few  sec -
onds,
  then   goes   off.
Never
 
refuel
 
with
 
the
 
engine
 
in
 
ST

OP
 mode;
 
you
 
must
 
switch
 
of
f  the
  ignition   with   the   key.
This operation is perfectly normal.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
DeactivationGoing into engine START modeAt  
any
 
time,
 
press
 
the
 
"ECO OFF"

switch
  to   deactivate   the   system.
This
 
is
 
confirmed
 
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
 
ST
OP
 mode,
 
the
 
engine
 
restarts

  immediately.
The
"ECO"
 
warning
 
lamp
 
goes
 
of

f  
and
 
the
 
engine
 
starts
 
auto
-
matically:
-
 
with a manual gearbox
, when you
fully
  depress   the   clutch   pedal,
-
 
with an electronic gearbox
:
●
 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,

 
ST
ART
 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
 
manu
-
al
 
gearbox
 
(3
 
km/h
 
(2
 
mph)
 
with
 

e-THP 130

 
and
 
BlueHDi
 
Diesel
 
ver
-
sions)
 
or
 
7 
mph  
(1
1  
km/h)
 
with
 
an
 
electronic

  gearbox,
-
 
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

 
flashes
 
for
 
few
 
seconds,
 
then

  goes   off.
With
 
a
 
manual
 
gearbox
 
in
 
ST
OP
 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
-
firmed
 
by
 
the
 
switch
 
warning
 
lamp
 
go
-
ing
  off   and   the   display   of   a   message.
The
 
system
 
is
 
reactivated
 
auto
-
matically
 
at
 
every
 
new
 
start
 
us
-
ing
  the   key.
This operation is perfectly normal.
DRIVING

99
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C4-2_en_Chap09_conduite_ed01-2014
Maintenance
In the event  of  a  malfunction  with  the  system,
 the  "ECO OFF" switch warn-
ing
 
lamp
 
flashes,
 
then
 
comes
 
on
 
con
-
tinuously.
have
 
it
 
checked
 
by
 
a
 
CITROËN
 
dealer
 
or

  a   qualified   workshop.
Operating fault
Before doing anything  under  the  bonnet,
 deactivate  the  Stop  &  
Start

 
system
 
to
 
avoid
 
any
 
risk
 
of
 
injury

 
resulting
 
from
 
automatic
 
operation

  of   START
 
mode.
This
 
system
 
requires
 
a
 
specific
 
battery
 
with

 
a

 
special
 
specification
 
and
 
technol
-
ogy
 
(reference
 
numbers
 
available
 
from
 
a

 
CITROËN
 
dealer
 
or
 
a
 
qualified
 
work
-
shop).
Fitting
 
a
 
battery
 
not
 
listed
 
by
 
CITROËN 

introduces  
the
 
risk
 
of
 
mal
-
function
  of   the   system.
The
 
Stop
 
&
 
Start
 
system
 
makes
 
use

 
of
 
advanced
 
technology
.  
All
 
work

 
on
 
this
 
type
 
of
 
battery
 
must
 
be

 
done
 
only
 
by
 
a
 
CITROËN
 
dealer

  or   a   qualified   workshop.
In the event of a fault in ST
o

P
mode,
 
the

 
vehicle

 
may

 
stall.

 
All

 
of

 
the

 
instrument

 
panel

 
warning

 
lamps

 
come
 
on.
Depending
 
on

 
version,

 
an

 
alert

 
message

 
may

 
also

 
be

 
displayed

 
asking

 
you

 
to

 
put

 
the

 
gear

 
lever

 
into position

N
 
and

 
put

 
your

 
foot

 
on

 
the
 
brake
 
pedal.
It is then necessary to switch off
the
 
ignition,

 
then

 
restart

 
the

 
en

-
gine
 
using
 
the
 
key.
DRIVING

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C4-2_en_Chap09_conduite_ed01-2014
The cruise control  system  can -
not,  in  any  circumstances,  re -
place
 
the
 
need
 
to
 
respect
 
speed
 
limits,

 
nor
 
can
 
it
 
replace
 
the
 
need

 
for
 
vigilance
 
on
 
the
 
part
 
of
 
the

  driver.
You
 
are
 
advised
 
to
 
keep
 
your
 
feet

  near   the   pedals   at   all   times.
CRUISE CONTROL
System which automatically  maintains  the
 speed  of  the  vehicle  at  the  value  
programmed

 
by
 
the
 
driver
,  
without
 
any
 
action

  on   the   accelerator   pedal.
The
 
functions
 
of
 
this
 
system
 
are
 
grouped

 
together
 
on
 
the
 
steering
 
mounted

  controls.
1.
 
Cruise
  control   mode   selection   dial.
2.
 
Speed
 
programming
 
/
 
value
 
de
-
crease
  button.
3.
 
Speed
 
programming
 
/
 
value
 
in
-
crease
  button.
4.
 
Cruise
  control   off   /   resume   button.
5.
 
Memorised
  speeds   display   button.
Steering mounted controls
The programmed information  is  grouped
 together  in  the  instrument  
panel

  screen.
6.
  
Cruise
 
control
 
of
f  
/
 
resume
 
indica
-
tion.
7.
  
Cruise
 
control
 
mode
 
selection
 
indi
-
cation.
8.
  
Programmed
  speed   value.
9.
  
Selecting
  a   stored   speed.
Displays in the instrument panel
Operation
The cruise control is switched on
manually:  it  requires  a  minimum  ve -
hicle
 
speed
 
of
 
25
 
mph
 
(40
 
km/h)
 
and
 
engagement

  of:
-
 
fourth
  gear   on   the   manual   gearbox,
-
 
second
 
gear
 
on
 
the
 
electronic
 
gear
-
box
 
system
 
or
 
automatic
 
gearbox,
 
in

  sequential   driving   mode,
-
 
position
 
A
 
on
 
the
 
electronic
 
gearbox
 
system

 
or
 
D
 
on
 
an
 
automatic
 
gear
-
box.
The cruise control is switched off
 
man
-
ually
 
or
 
by
 
pressing
 
the
 
brake
 
or
 
clutch
 
pedal

 
or
 
on
 
triggering
 
of
 
the
 
trajectory
 
control

  systems,   for   safety   reasons.
It
 
is
 
possible
 
to
 
exceed
 
the
 
programmed
 
speed

 
temporarily
 
by
 
pressing
 
the
 
ac
-
celerator
  pedal.
To
 
return
 
to
 
the
 
programmed
 
speed,
 
simply

  release   the   accelerator   pedal.
Switching
 
of
f  
the
 
ignition
 
cancels
 
any
 
programmed

  speed   value.
DRIVING

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C4-2_en_Chap10_verification_ed01-2014
PETROL ENGINES
The various caps and covers allow access for checking the levels of the various fluids and for replacing certain components.
1.  
Power
  steering   reservoir.
2.
 
Screenwash
 
and
 
headlamp
 
wash
 
reservoir

.
3.
 
Coolant
  reservoir. 4.
 
Brake
  fluid   reservoir.
5.
 
Battery/Fuses.
6.

 
Fusebox.7.

 
Air
  filter.
8.
 
Engine
  oil   dipstick.
9.
 
Engine
  oil   filler   cap.
CHECKS

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C4-2_en_Chap10_verification_ed01-2014
* According  to   engine.
DIESEL ENGINES
The various  caps  and  covers  allow  access  for  checking  the  levels  of  the  various  fluids,  for  replacing  certain  components  and  for
  priming   the   fuel   system.
1.
 
Power
  steering   reservoir.
2.
 
Screenwash
 
and
 
headlamp
 
wash
 
reservoir

.
3.
 
Coolant
  reservoir. 4.
 
Brake
  fluid   reservoir.
5.
 
Battery/Fuses.
6.

 
Fusebox.
7.

 
Air
  filter.8.
 
Engine
  oil   dipstick.
9.
 
Engine
  oil   filler   cap.
10.
 
Priming
  pump*.
11 .
 Bleed

  screw*.
CHECKS

1010
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C4-2_en_Chap10_verification_ed01-2014
Brake fluid level
Changing the fluid
Refer 
to
 
the
 
manufacturer's
 
service
 
schedule

 
for
 
details
 
of
 
the
 
interval
 
for
 
this

  operation.
Fluid specification
The
 
brake
 
fluid
 
must
 
conform
 
to
 
the
 
manufacturer's

  recommendations.
Power steering fluid level
The power steering  fluid  level should
 be  close  to  the  "MAX" mark.

 
With
 
the
 
engine
 
cold,
 
un
-
screw
 
the
 
cap
 
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.
In
 
addition,
 
as
 
the
 
cooling
 
system
 
is
 
pressurised,

 
wait
 
at
 
least
 
one
 
hour
 
after
 
switching

 
of
f  
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.
Fluid specification
The
 
coolant
 
must
 
conform
 
to
 
the
 
manu
-
facturer's
  recommendations.
The cooling fan may start after
switching off the engine: take
care with articles and clothing
that might be caught by the
fan blades.
The
 brake
 fluid
 level
 should
 be
 close
 to
 the
 "MAX"
 mark.
 If
 it
 is
 not,
 
check
 
the
 
brake
 
pad
 
wear.
Topping up the engine oil level
Refer
 
to

 
the

 
"Petrol

 
engine"

 
or

 
"Diesel

 engine"
 section
 for
 the
 location
 of
 the
 oil
 filler
 cap
 in
 the
 engine
 compartment
 of
 
your
 
vehicle.
F
 
Unscrew

 
the

 
oil

 
filler

 
cap

 
to

 
reveal

 
the

 
filler
 
aperture.
F
 
Add

 
oil

 
in

 
small

 
quantities,

 
avoiding

 
any

 
spills

 
on

 
engine

 
components

 
(risk

 
of
 
fire).
F
 
W

ait
 
a

 
few

 
minutes

 
before

 
checking

 
the

 
level
 
again
 
using
 
the
 
dipstick.
F
 
Add

 
more
 
oil
 
if
 
necessary.
F
 
After

 
checking

 
the

 
level,

 
carefully

 
refit

 
the

 
oil

 
filler

 
cap

 
and

 
the

 
dipstick

 
in

 
its
 
tube.
After
 
topping

 
up

 
the

 
oil,

 
the

 
check

 
when

 
switching

 
on

 
the

 
ignition

 
with

 
the

 
oil

 
level

 
indicator

 
in

 
the

 
instrument

 
panel

 
is

 
not

 
valid

 
during

 
the

 
30

 
minutes

 
after

 
topping

 
up.
Engine oil change
Refer
 
to

 
the

 
manufacturer's

 
service

 
schedule

 
for

 
details

 
of

 
the

 
interval

 
for

 
this

 
operation.
In
 
order

 
to

 
maintain

 
the

 
reliability

 
of

 
the

 
engine

 
and

 
emission

 
control

 
system,

 
never

 
use
 
additives
 
in
 
the
 
engine
 
oil.
CHECKS

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C4-2_en_Chap10_verification_ed01-2014
Automatic gearbox
The gearbox does  not  re -
quire  any  maintenance  (no  oil  
change).
 Refer

 
to
 
the
 
manufacturer's
 
service

 
schedule
 
for
 
details
 
of
 
the

 
level
 
checking
 
interval
 
for
 
this

  component.
Electric parking brake
This system  does  not  require  any
 routine  servicing.  However ,  
in

 
the
 
event
 
of
 
a
 
problem,
 
have

 
the
 
system
 
checked
 
by
 
a

 
CITROËN
 
dealer
 
or
 
a
 
qualified
 
work
-
shop.
Manual parking brake
Only use  products  recommended by
 CITROËN  or  products  of  equiva -
lent
  quality   and   specification.
In order to  optimise  the  opera -
tion  of  units  as  important  as  
those

 
in
 
the
 
braking
 
system,
 
CITROËN

 
selects
 
and
 
of
fers  
very

  specific   products.
After
 
washing
 
the
 
vehicle,
 
damp
-
ness,
 
or
 
in
 
wintry
 
conditions,
 
ice
 
can

 
form
 
on
 
the
 
brake
 
discs
 
and
 
pads:

 
braking
 
efficiency
 
may
 
be
 
reduced.

 
Make
 
light
 
brake
 
ap
-
plications
 
to
 
dry
 
and
 
defrost
 
the
 
brakes.
If a loss of ef

fectiveness of this
system
 
is

 
noticed,

 
the

 
parking

 
brake

 
must

 
be

 
checked,

 
even

 
between

 
two
 
services.
Checking
 
this

 
system

 
must

 
be

 
done

 
by

 
a

 
CITROËN

 
dealer

 
or

 
a

 
quali

-
fied
 
workshop.
Brake pads
Brake wear  depends  on  the  style
 of  driving,  particularly  in  
the

 
case
 
of
 
vehicles
 
used
 
in
 
town,

 
over
 
short
 
distances.
 
It
 
may

 
be
 
necessary
 
to
 
have
 
the
 
condition

 
of
 
the
 
brakes
 
checked,
 
even
 
between

 
vehicle   services.
Unless
 
there
 
is
 
a
 
leak
 
in
 
the
 
circuit,
 
a
 
drop

 
in

 
the
 
brake
 
fluid
 
level
 
indicates
 
that

 
the
 
brake   pads   are   worn.
Brake disc wear
For information  on  checking  brake
 disc  wear ,  contact  a  
CITROËN

 
dealer
 
or
 
a
 
quali
-
fied
  workshop. For
 
more
 
information,
 
refer
 
to
 
the
 
"Electric parking

  brake   -   Operating   faults"   section.
Manual gearbox
The gearbox
 does  not  re -
quire  any  maintenance  (no  oil  
change).
Refer

 
to
 
the
 
manufacturer's
 
service

 
schedule
 
for
 
the
 
checking

 
interval
 
for
 
this
 
com
-
ponent.
Electronic gearbox
The gearbox  does  not  re -
quire  any  maintenance  (no  oil  
change).
 Refer

 
to
 
the
 
manufacturer's
 
service

 
schedule
 
for
 
details
 
of
 
the

 
checking
 
interval
 
for
 
this
 
component.
CHECKS