2017 Citroen C4 AIRCROSS battery replacement

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With the Keyless Entry and Starting system, a
message appears in the instrument panel when
replacement of the battery is needed.
Changing the batteries
Do not throw the remote control
batteries away, they contain metals
which are harmful to the environment.
Take them to an approved collection
point.Remote control key
Battery ref.: CR1620 / 3 volts.
Electronic key
Battery ref.: CR2032 / 3 volt.
F

U

nclip the cover using a small screwdriver at the cut-out.
F

L

ift off the cover.
F

R

emove the flat battery from its location.
F

F

it the new battery into its location observing the original direction of fitment.
F

C

lip the cover onto the casing. Observe the polarity when fitting the
cell battery, as it could explode.
Always replace the cell battery with one
that is identical or of equivalent type.
When the housing is open, take car to
protect it from water and dust.
Access

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The reinitialisation instruction is entered in
the screen menu, with the ignition in the "ON"
position and the vehicle stationary.
F Press several times on the INFO button,
located below the instrument panel to the
left of the steering wheel.
F
Select "REINITIALISE" (located in
menu
2/3 or 3/3 depending on the
instrument panel) .
F

P
ress and hold the INFO button for at least
3 seconds to reinitialise the under-inflation
detection system.
Reinitialisation of the system is confirmed
by the flashing of the warning lamp in the
instrument panel. The under-inflation alert is only reliable
if the system has been reinitialised
with the four tyre pressures correctly
adjusted.
Operating fault
The flashing and then fixed illumination of the
under-inflation warning lamp accompanied by
the display of a message indicates a fault with
the system.
In this case, monitoring of the tyre pressures is
not assured.
This alert is also displayed if:
-

a
t least one wheel is not fitted with a
sensor (spare wheel in use),
-

a w
ireless device operating on the same
frequency is close to the vehicle,
-

t
here are accumulations of snow or ice in
the wings or wheels,
-

t
he state of charge of the tyre pressure
monitoring system battery is too low,
-

t
he wheel sensor identifiers have not been
memorised in the system by a CITROËN
dealer or a qualified workshop. Any tyre repair or replacement on a
wheel fitted with this system must be
carried out by a CITROËN dealer or a
qualified workshop.
If you fit the second set of tyres
memorised in the system, a fault will
be signalled until the second set is
selected in the configuration menu. Go to a CITROËN dealer or a qualified
workshop to have the system checked
or, after a puncture, to have the original
wheel, equipped with a sensor, refitted.
Driving

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Checking components
12 V battery
Electrolyte level
For access to the 12 V Battery, refer
to the corresponding section. Refer to the manufacturer's
service schedule for details of the
replacement intervals for these
components.
Air filter and passenger compartment filter
Replace the oil filter each time the
engine oil is changed.
Refer to the manufacturer's
service schedule for details of
the replacement interval for this
component.
Oil filter
If necessary, top up using distilled water,
removing the battery cap from each cell.
Check the electrolyte level at least once a
month.
When carrying out work on the 12 V
Battery,
refer to the corresponding section for
details of the precautions to be taken before
disconnecting the battery and following its
reconnection.
Unless other wise indicated, check these components in accordance with the manufacturer's service schedule and according to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.
The electrolyte level must be between the
"LOWER LEVEL" and "UPPER LEVEL" marks.
Depending on the environment (e.g. dusty
atmosphere) and the use of the vehicle
(e.g. city driving), replace them twice as often
if necessary
.
A clogged passenger compartment filter may
have an adverse effect on the per formance
of the air conditioning system and generate
undesirable odours.
Practical information