2021 CITROEN C4 AIRCROSS ignition

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

117
Managing sets of tyres
If you have had a second set of tyres registered
by a CITROËN dealer or a qualified workshop,
every time you change the set of tyres (fitting
a set of winter tyres, for example), you must
select the set you have just fitted in the
configuration menu.After fitting the new set of tyres, you
should check and adjust the tyre
pressures to the values specified
on the tyre pressure label (see the
"Identification markings" section). Selection of the other set of tyres is is done via
the menu screen, with the ignition on and the
vehicle stationary.
F

P
ress repeatedly on the INFO button to
select the menu for managing sets of tyres
(located in menu 3/3) .
F Press and hold the INFO button for at least
3 seconds to change successively from
set of tyres 1 to set of tyres 2 or the other
way round. The system automatically reinitialises
the reference pressure based on the
pressure in the new set (the under-
inflation detection warning lamp flashes
during the operation).
4
Driving

120
Cruise control
System which automatically maintains the vehicle speed at the value programmed by the driver, without any action on the accelerator pedal.
The cruise control is switched on manually:
the vehicle speed must be at least 25 mph
(40 km/h) and second gear or higher must be
engaged in the case of a manual gearbox.
The cruise control is switched off manually, by
an action on the brake or clutch pedal or if the
ASC system is triggered.
The programmed speed can be exceeded
temporarily by pressing the accelerator pedal.
The cruise control cannot, in any
circumstances, take the place of the
need to comply with speed limits or of the
vigilance and responsibility of the driver. The controls of this system are grouped
together on the steering wheel.
1.
"

ON/OFF" button: activation / deactivation
of the cruise control mode.
2.
"

COAST SET" button: store a driving
speed and decrease the cruising speed.
3.
"A

CC R ES" button: increase the cruising
speed and recall the stored speed.
4.
"C

ANCEL" button: stop control of the
vehicle's speed.
Steering mounted controls
When you press button 1 , the "CRUISE"
indicator comes on in the instrument panel.
Display in the instrument panel
Programming
F Press button 1 .
F S et the programmed speed by
accelerating
to the required speed, then
press button 2 "COAST SET" .
To return to the programmed speed, simply
release the accelerator pedal.
Switching off the ignition cancels any
programmed speed value.
driving

129
Model with rear foglamps
rear foglamps
Rotate and release the ring C :
F

f

or ward a first time to switch on the front
foglamps,
F

f

or ward a second time to switch on the rear
foglamps,
F

r

ear ward a first time to switch off the rear
foglamps,
F

r

ear ward a second time to switch of the
front foglamps. In good or rainy weather, both day
and night, the front foglamps and the
rear foglamps are prohibited. In these
situations, the power of their beams
may dazzle other drivers.
Do not forget to switch off the front
foglamps and the rear foglamps when
they are no longer necessary.
Model with front foglamps and
rear foglamps
Foglamp selection ring
.
They operate if at least the sidelamps are on.
F

T
o switch on the rear foglamps, turn the
ring C forwards.
F

T
o switch off the rear foglamps, turn the
ring C rearwards.
front and rear foglamps
Lighting on reminder
An audible signal when the driver's door
is opened warns the driver if the vehicle
lighting is on, with the ignition off.
Switching off the lighting stops the
audible signal.
5
Visibility

130
In foggy weather or in snow, the
sunshine sensor may detect sufficient
light. The lighting will not come on
automatically.
do n
ot cover the sunshine sensor, the
associated functions will no longer be
controlled.
Automatic switching off
When the lighting control stalk is at "dipped or
main beam headlamps", if the ignition switch
is at "LOCK" or "ACC" or if the key has been
removed from the ignition switch, the lamps
switch off automatically when the driver's
door is opened .
Daytime running lamps
Daytime lighting which comes on automatically
when the engine is started making the vehicle
more visible to other users.
This function is assured by special lamps.
The lighting control stalk must be placed in
position "0" or "AUTO" (day mode).
Automatic illumination of headlamps
The sidelamps and the dipped beam headlamps
come on automatically, without any action on the
part of the driver, if a low level of exterior light is
detected or if the wipers are switched on.
When the light returns to a sufficient level or the
wipers are switched off, the lighting is switched off
automatically.
The sensor is located at the base of the windscreen.
Contact a CITROËN dealer or a qualified workshop
to adjust the sensitivity of the sensor.
Visibility

131
Switching off
The manual guide-me-home lighting switches
off immediately if you.
-
f
lash the headlamps again,
-

p
lace the lighting control stalk in another
position,
-

s
witch the ignition on (or select "ON" mode
for vehicle with the "Keyless Entry and
Starting" system).
Manual guide-me-home
lighting
Switching on
F Place the lighting control stalk in the "oF F" position, or "aU To" f or vehicles that
have
it.
F

P
lace the ignition switch on "LOCK" and
remove the key (or select "OFF" mode for
vehicles that have the "Keyless Entry and
Starting" system).
F

W
ithin one minute after switching off the
ignition, "flash" the headlamps using the
lighting control stalk.
T

he headlamps come on for around
30
seconds.
F

A f
urther "headlamp flash" within
60
seconds of switching the ignition to OFF
(or selection of "OFF" mode for vehicles
with the "Keyless Entry and Starting"
system) reactivates the function for a
further 30 seconds.
Temporarily keeping the dipped beam
headlamps on after the vehicle's ignition has
been switched off makes the exit of the vehicle's
occupants easier when the light is poor.
5
Visibility

132
Exterior welcome lightingRemote switching on of the lighting makes your approach to the vehicle easier in poor light.
It comes on when the vehicle is unlocked remotely.
Switching on
F Place the lighting control in position "OFF" or "AUTO".
F

P
ress the open padlock on
the remote control or the
electronic
k

ey.
T

he sidelamps come on for about
30 seconds. For vehicles fitted
with automatic illumination of
headlamps, the welcome lighting
only comes on under conditions
of low ambient light.
Switching off
The welcome lighting goes off immediately if:
- y ou press the open padlock on the remote
control,
-

y
ou place the lighting control in another
position,
-

y
ou switch on the ignition (or select
"ON"
mode for vehicles fitted with
the
"Keyless Entry and Starting" system).
Visibility

138
Courtesy lamps
Front courtesy lamp
Position 1
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
automatically 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 2
The courtesy lamp is permanently off. There are two map reading lamps, one on each
side of the courtesy lamp.
Press the corresponding lamp lens A
.
Map reading lamps
Visibility