battery CITROEN C4 AIRCROSS 2021 Handbook (in English)

113
The system is reactivated automatically
at every new start using the key or the
START/STOP button.
Reactivation
Press the "AS &G O FF " switch again.
The system is active again; this is confirmed by
the "AS &G O FF " warning lamp going off in the
instrument panel or instrument panel screen.
Operating fault
In the event of a malfunction with the system,
the "AS &G O FF " warning lamp flashes in the
instrument panel or instrument panel screen,
and the system no longer operates.
have it checked by a CITROËN dealer or a
qualified workshop. This system requires a specific
battery with a special specification
and technology (reference numbers
available from a CITROËN dealer or a
qualified workshop).
Fitting a battery not listed by CITROËN
introduces the risk of malfunction of the
system.
Maintenance
The "Auto Stop & Go" 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 STOP mode, the
vehicle may stall. The following warning lamps
come on in the instrument panel or instrument
panel screen:
It is then necessary to switch off the ignition,
then restart the engine using the key or the
START/STOP button.
4
Driving

116
The reinitialisation instruction is entered in
the screen menu, with the ignition on and the
vehicle stationary.
F Press repeatedly on the INFO button
to 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:
-

o
ne or more wheels 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, following the repair of a puncture, to
have the original wheel, equipped with a
sensor, refitted.
Driving

139
Rear courtesy lamp
Position 1 "ON"
The courtesy lamp is permanently on.
Position 2 "●"
The courtesy lamp comes on when a door or
the tailgate is opened. When the door or the
tailgate is closed again, the lighting gradually
dims for a few seconds before switching off.
However, the courtesy lamp is switched off
immediately in the following cases:
-
W
hen the doors and the tailgate are
closed and the ignition switch is placed in
the
"ON" position.
-

W
hen the doors and the tailgate are closed
and you lock the vehicle.
Position 3 "OFF"
The courtesy lamp is permanently off.
Courtesy lamps automatic
switch off
With the engine off, the courtesy lamps,
map reading lamps and boot lamp switch
off automatically after 30 minutes to prevent
discharging of the battery.
The courtesy lamps are switched on again if
the ignition switch is placed in the "ON"
or "ACC " position, if you open then close a
door or the tailgate or if you use the remote
control.
5
Visibility

194
12 V battery
The battery is located under the bonnet.
To gain access to it:
F
o
pen the bonnet using the interior release
lever, then the exterior safety catch,
F

s
ecure the bonnet stay,
Access to the battery
Procedure for charging your battery when it is flat or for starting the engine using another battery and jump leads.
F
r
emove the retaining pins A,
F

r
emove the protective cover B,F

r
emove the retaining pins C,
F

r
emove the air duct D.
Practical information

195
Check the electrolyte level and top up if
necessary (see "Checking levels").
Starting using another
battery
F Connect the red cable to the positive terminal (+) of the flat battery A , then to the
positive terminal (+) of the slave battery B. F
C onnect one end of the green or black
cable to the negative terminal (-) of the
slave battery B .
F

C
onnect the other end of the green or black
cable to the earth point C on your vehicle
(engine mounting).
F

O
perate the starter, let the engine run.
F

W
ait until the engine returns to idle and
disconnect the cables.
F

R

aise the protective cover on the (+)
terminal.
7
Practical information

196
The batteries contain harmful substances
such as sulphuric acid and lead. They
must be disposed of in accordance
with regulations and must not, in any
circumstances, be discarded with
household
w
aste.
Take used remote control batteries and
vehicle batteries to a special collection point.
Do not reverse the polarity and use only a 12 V charger.
D o not disconnect the terminals while the engine is running.
Do not charge the batteries without disconnecting the terminals first.
Do not push the vehicle to start the engine if it is fitted with a CVT gearbox.
It is advisable to disconnect the battery
if the vehicle is to be left unused for
more than one month.
Before disconnecting
the battery
Wait 2 minutes after switching off the
ignition before disconnecting the battery.
Close the windows and the doors before
disconnecting the battery.
Following reconnection
of the battery
Following reconnection of the battery,
switch on the ignition and wait 1 minute
before starting to permit initialisation of the
electronic systems. However, if problems
remain following this operation, contact a
CITROËN dealer or a qualified workshop.
F

D

isconnect the battery from the vehicle,
if

necessary.
F

F

ollow the instructions for use provided by
the manufacturer of the charger.
F

R

econnect starting with the negative
terminal (-).
F

C

heck that the terminals and connectors
are clean. If they are covered with sulphate
(whitish or greenish deposit), remove them
and clean them.
Charging the battery using
a battery charger
Some functions are not available if the battery is not sufficiently charged.
Practical information

216
Checks
12 V battery
Electrolyte level
For access to the battery, refer to the
"12V battery" section.Refer to the maintenance and
warranty guide 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 maintenance and
warranty guide 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 battery, refer
to "12V battery" 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 maintenance and warranty guide 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.
Checks

249
TOUCH SCREEN AUDIO-TELEMATIC
system
The system is protected in such a way that it will only
operate in your vehicle.01 First steps - Control panel
For safety reasons, the driver must carry out operations
which require prolonged attention while the vehicle is
stationary.
When the engine is switched off and to prevent
discharging of the battery, the system switches off
following the activation of the energy economy mode.
CONTENTS
03

General
operation
04
Navigation
05
Media
06
Settings
07
Information p.
p.
p.
p.
p.
p.
p. 250
251
253
254
270
282
284
02

Steering mounted
controls p.
288
08
BLUETOOTH
® streaming - telephone

289
TOUCH SCREEN AUDIO-CD
system
The system is protected in such a way that it will only
operate in your vehicle.
01 First steps - Control panel
For safety reasons, the driver must carry out operations
which require prolonged attention while the vehicle is
stationary.
When the engine is switched off and to prevent
discharging of the battery, the system switches off
following the activation of the energy economy mode.
Contents
03

General
operation
02

Steering mounted
controls
04
Radio
05
Music
06
Bluetooth
® telephone p.
p. p.
p.
p.
p. 290
291
293
300
303
308

3 11
AUDIO-CD system
The system is protected in such a way that it will only
operate in your vehicle.01 First steps - Control panel
For safety reasons, the driver must carry out operations
which require prolonged attention while the vehicle is
stationary.
When the engine is switched off and to prevent
discharging of the battery, the system switches off
following the activation of the energy economy mode.
CONTENTS
02

Steering mounted
controls
03

General
operation
04
Radio
05

Music media players
06


USB player
07

BLUETOOTH
® streaming
Error messages p.
p.
p.
p.
p.
p.
p.
p. 312
314
315
317
323
328
330
332