warning CITROEN C4 AIRCROSS 2021 Handbook (in English)

Keysafety warning
additional information
contributes to the protection of the environment
CITRoËn h as a presence on every continent,
a complete product range,
bringing together technology and a permanent spirit of innovation,
for a modern and creative approach to mobility.
We thank you and congratulate you on your choice.
Happy motoring!
at the wheel of your new vehicle,
getting to know each system,
each control, each setting,
makes your trips, your journeys
more comfortable and more enjoyable.
This handbook has been designed to help to
make the most of your C4 AIRCROSS in all
circumstances and in complete safety.
Take the time to read through it so as to
familiarise yourself with your vehicle.
This handbook covers all of the variations
in equipment available across the whole
C4
AIRCROSS range.
Your vehicle will be fitted with only some of
the equipment described in this document,
depending on its trim level, version and the
specification for the country in which it was
sold.
The descriptions and illustrations are given as
indications only.
Automobiles CITROËN reserves the right to
modify the technical characteristics, equipment
and accessories without having to update this
edition of the handbook.
This document forms an integral part of your
vehicle. Remember to pass it on to the new
owner in the event of the sale of the vehicle.

Instrument panel 12
Warning and indicator lamps
1
3
Instrument panel screen

1
9
Trip computer

3
2
Distance recorder

3
2
Trip distance recorder

3
2
Service indicator

3
3
Adjusting vehicle settings

3
7
Audio- CD system screen

4
4
Audio- CD system touch screen

4
6
Audio-Telematic system touch screen

4
8
Lighting dimmer

5
1
Monitoring
ove
r view
Remote control key 5
2
"Keyless Entry and Starting" system
5
6
Doors

6
2
Boot
6

3
Alarm
6

5
Electric windows

6
8
Panoramic sunroof

7
0
access
Front seats 71
Rear seats
7
5
Mirrors

7
7
Steering wheel adjustment

7
9
Ventilation
8

0
Manual heating / air conditioning

8
2
Automatic air conditioning

8
4
Rear screen demist - defrost

8
9
Interior fittings

9
0
Boot fittings

9
6
Comfort
Starting - stopping the engine with the key 98
Starting - stopping the engine with
the Keyless Entry and Starting system

9
9
Parking brake

1
02
Manual gearbox
1

03
Gear shift indicator

1
04
CVT gearbox

1
05
Hill start assist

1
10
Stop & Start (Auto Stop & Go) function

1
11
Under-inflation detection
1

14
Four wheel drive system

1
18
Cruise control

1
20
Parking sensors

1
23
Reversing camera

1
26
Driving
Lighting controls 1 27
Daytime running lamps
1
30
Automatic illumination of headlamps

1
30
Manual guide-me-home lighting

1
31
Welcome lighting

1
32
Headlamp adjustment
1

33
Wiper controls

1
34
Automatic rain sensitive wipers

1
36
Courtesy lamps

1
38
Boot lamp

1
40
Panoramic roof lighting

1
40
Visibility
Eco-driving
Contents

Direction indicators 141
Hazard warning lamps
1
41
H o r n
1

41
Braking assistance systems

1
42
Trajectory control systems

1
44
Front seat belts

1
46
Airbags
1

50
Child seats

1
55
Deactivating the passenger's front airbag

1
57
ISOFIX child seats

1
64
Child lock

1
70
Safety
Temporary puncture repair kit 1 71
Changing a wheel
1
75
Snow chains

1
81
Changing a bulb

1
82
Changing a fuse

1
88
12 V battery

1
94
Automatic power cut-off to accessories

1
97
Changing a wiper blade

1
97
Recovering the vehicle

1
98
Towing a trailer

2
01
Fitting roof bars

2
03
Accessories
2

04
Practical information
Bonnet 20 7
Petrol engines
2
08
Diesel engines

2
09
Fuel tank

2
10
Running out of fuel (Diesel)

2
12
Checking levels

2
13
Checks
2

16
Checks
Petrol engines 2 19
Petrol weights
2
20
Diesel engines

2
26
Diesel weights

2
27
Dimensions
2

33
Identification markings
2

35
Technical data
bluetooth® telephone with voice recognition 237
Touch screen AUDIO -TELEMATIC system
2
49
TOUCH SCREEN AUDIO - CD system

2
89
AUDIO - CD system

3
11
Audio and telematics
Alphabetical index
Contents

6
Instruments and controls
Opening the bonnet 207
Door mirrors

7

7-78
Electric windows

6

8 - 69 Rear view mirror

7

9
Courtesy lamps

1

38 -139
Panoramic sunroof

7

0
Dashboard fuses

1

88 -190, 193 Instrument panel
1
2
Warning lamps
1
3-18
Indicators
33
-35
Audio- CD system screen

4

4
Setting the time

4

4- 45
Screen for touch screen Audio- CD system

4

6
Setting the time

4

6 - 47
Screen for the touch screen Audio-Telematic system

4

8
Setting the time

4

9 -50
Parking brake

1

02
5/6 -speed manual gearbox

1

03
Gear shift indicator

1

04
CVT gearbox

1

05 -109
Hill start assist

1

10
4 wheel drive system

1

18 -119 Audio- CD system

3
11-334
Touch screen Audio- CD system 289 - 310
Touch screen Audio-Telematic system

2
49 -288
Ventilation
8

0-81
Manual air conditioning

8
2- 83, 88
Digital air conditioning
8

4-88
Front demisting

8
8
Demisting the rear screen

8
9
Hazad warning lamps

1

41
over view

8
A. Passenger's airbag deactivation
warning lamp. 1 51
B.
H

azard warning lamps.
1
41
C.
F

ront passenger's seat belt not
fastened or unfastened.

1
47
Central switch panel
Instruments and controls (continued)
A. Manual headlamp adjustment. 133
B. D eactivation of the ASC/ TCL system. 1 4 4
C.
D

eactivation of the parking
sensors.
1

25
D.


d
e
activation of the Stop & Start
(Auto Stop & Go) function.

1
12
Side switch panel
Over view

12
Instrument panel
1. Rev counter.
2. Speedometer.
Screen type 2
3.
I

nstrument panel display screen:
-
W
arning and status displays.
-
T
otal and trip distance recorders.
-
S
ervice indicator.
-
C
oolant temperature.
- T rip computer information.
- C ruise control setting.
-

G
ear shift indicator recommendations.
-

S
ettings menu (display, sound...).
-

F
uel level.
-
A

mbient temperature.
-

T
ransmission mode.
Panel grouping together the dials and warning/
indicator lamps. These inform the driver of the
activation/deactivation of a system or of the
occurrence of a fault.
Screen type 1
Management of the display is done using
the INFO button located on the dashboard
to the right of the instrument panel.
Monitoring

13
Visual indicators which inform the driver of the
occurrence of a malfunction (warning lamp)
or of the operation of a system (operation or
deactivation indicator lamp).When the ignition is switched on
Certain warning lamps come on for a few
seconds when the ignition is switched on.
When the engine is started, these warning
lamps should go off.
Associated warnings
The illumination, fixed or flashing, of certain
warning lamps may be accompanied by an
audible signal and a message.
Warning and indicator lamps
If they remain on, before moving off,
refer to the information on the warning
lamp in question.
1
Monitoring

14
Warning lamps
When the engine is running or the vehicle is being driven, the
illumination of one of the following warning lamps indicates a
malfunction which requires action on the part of the driver.
The warning comes on in the instrument panel or appears in the
instrument panel screen.Warning /indicator lampis on Cause Action / Observations
Parking brake
/
Brake fluid
level
/ Electronic
brake force
distribution fixed.
It comes on for a few seconds, then
goes off when the ignition is switched
to "ON".
The parking brake is on or not fully
released. It is accompanied by a message. Release the parking brake
to make the warning lamp go off.
The brake fluid level is too low. It is accompanied by a message. Top up with brake fluid and contact a CITROËN dealer or a qualified workshop.
The electronic brake force distribution
(EBFD) is faulty. You must stop as soon as it is safe to do so.
Have it checked by a CITROËN dealer or a qualified
workshop.
Engine
autodiagnosis
system flashing.
The engine management system has
a fault. Risk of destruction of the catalytic converter.
Have it checked by a CITROËN dealer or a qualified
workshop.
fixed. The emission control system has a
fault.
The warning lamp should go off when the engine is started.If it does not go off, contact a CITROËN dealer or qualified
workshop without delay.
Battery charge *fixed. The battery charging circuit has a
fault (dirty or loose terminals, slack or
cut alternator belt, ...). The warning lamp should go off when the engine is started.
If it does not go off, contact a CITROËN dealer or a qualified
workshop.
The illumination of a warning lamp may be accompanied by the display
of an additional message, to assist you in identifying the problem.
If you encounter any problems, you should contact a CITROËN dealer
or a qualified workshop.
* According to destination country.
Monitoring

15
Warning/indicator lampis on Cause Action / Observations
Anti-lock
Braking System
(ABS) fixed.
The anti-lock braking system has a
fault. The vehicle retains conventional braking.
Drive carefully at reduced speed and contact a CITROËN
dealer or a qualified workshop without delay.
Front seat belt
not fastened /
unfastened
fixed, then flashing,
accompanied by an
audible signal.The driver has not fastened or has
unfastened their seat belt.
Pull the strap, then insert the tongue in the buckle.
Airbags and
pretensioners temporarily.
When you switch on the ignition, this
warning lamp comes on for a few
seconds, then goes off. If it does not go off, contact a CITROËN dealer or a qualified
workshop.
fixed. Fault with one of the airbag or seat
belt pretensioner systems. Have it checked by a CITROËN dealer or a qualified
workshop.
Under-inflation fixed,
accompanied by
a message.The tyre pressure for one or more
wheels is too low.
Check the tyre pressures as soon as possible.
This check should preferably be done with the tyres cold.
You must reinitialise the system after every adjustment of
one or more tyre pressures and after replacing one or more
wheels.
For more information refer to the "Under-inflation detection"
section.
flashing
then fixed,
accompanied by
a message. The system has a fault and/or one
or more wheels does not have a
detected sensor.
The tyre pressures are no longer monitored.
Have the system checked by a C
ITR
oËn d

ealer or a
qualified workshop.
1
Monitoring

16
Operation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has come into operation.
It may be accompanied by an audible signal and a message in the instrument panel screen.Warning /indicator lampis on Cause Action / Observations
Left-hand
direction
indicator flashing with audible
warning.
The lighting stalk has been pressed
downwards. If this indicator lamp flashes abnormally quickly, this
could indicate that the bulb of one of the direction
indicators has blown. Change the bulb or contact a
CITROËN dealer or a qualified workshop.
Right-hand
direction
indicator flashing with audible
warning.
The lighting stalk has been pushed
upwards. If this indicator lamp flashes abnormally quickly, this
could indicate that the bulb of one of the direction
indicators has blown. Change the bulb or contact a
CITROËN dealer or a qualified workshop.
Sidelamps or
dipped beam
headlamps fixed.
The sidelamps or dipped beam
headlamps are on.
Main beam
headlamps fixed.
The lighting stalk is pulled towards
you. Pull the stalk to return to dipped beam headlamps.
Front foglamps fixed. The front foglamps are switched on. Turn the ring on the stalk rear wards twice to switch off
the front foglamps.
Rear foglamp sfixed. The rear foglamps are switched on. Turn the ring on the stalk rear ward to switch off the
rear foglamps.
Monitoring