2021 CITROEN C4 AIRCROSS engine oil

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

219
* The maximum power corresponds to the value type-approved on a test bed, under conditions defined in European legislation (Directive 1999/99/EC).
Engines and gearboxes
.../S: model fitted with the Stop & Start (AS&G) function.
PETROL ENGINES
1.6 litre 1152.0 litre 150
Model codes : BU... NKZ7

NK Z 7/S
NKZ0
NKZ0/S AFYR

AFZ7 AFYV
AFZM AFYT
AFZH AFYW
AFZP
Transmission mode 2WD2WD 4WD2WD 4WD
Cubic capacity (cc) 1 5901 998
Bore x stroke (mm) 75 x 9086 x 86
Max power*: EU standard (kW) 86113
Max power engine speed (rpm) 6 0006 000
Max torque: EU standard (Nm) 15 419 9
Max torque engine speed (rpm) 4 0004 200
Fuel UnleadedUnleaded
Catalytic converter Ye sYe s
GEARBOXES Manual
(5-speed) Manual
(5-speed) CVT
(6-speed)
OIL CAPACITY (in litres)
Engine (with filter replacement) 4.24.3
9
Technical data

226
* The maximum power corresponds to the value type-approved on a test bed, under conditions defined in European legislation (Directive 1999/99/EC).DIESEL ENGINES
1.6 HDi 1101.8 HDi 150
Model codes: BU... 9HD8/S9HDB/S 6HZ8/S 6HZB

6HZB/S
Transmission mode 2WD4WD2WD 4WD
Cubic capacity (cc) 1 5601 798
Bore x stroke (mm) 77 x 88.383 x 83.1
Max power*: EU standard (kW) 8411 0
Max power engine speed (rpm) 3 6004 000
Max torque: EU standard (Nm) 270300
Max torque engine speed (rpm) 1 7502 000 to 3 000
Fuel
die
sel
die
sel
Catalytic converter Ye sYe s
Particle filter (F
aP
)
Ye sYe s
GEARBOXES Manual
(6-speed) Manual
(6-speed)
OIL CAPACITY (in litres)
Engine (with filter replacement) 3.755.3
Engines and gearboxes
.../S: model fitted with the Stop & Start (AS&G) function.
Technical data

335
ABS and EBFD systems ...............................14 2ac
cessories .............................. ....................204
Accessory socket, 12V

...................... 9
0, 92, 93
a

ccess to bulbs
............................................. 18

3
ac

tive stability control (
aS
C)
........................14

4
Adjusting headlamps
.................................... 13

3
Adjusting head restraints

................................73
A

djusting seat belt height
.............................14

6
Adjusting the steering wheel

..........................79
A

irbag, knee
.......................................... 15

2, 15 4
Airbags
...............

........................................... 150
Airbags, curtain
..................................... 15

3, 15 4
Airbags, front......................................... 150, 15 4
Airbags, lateral
...................................... 15

2, 15 4
Air conditioning
...............................

.......... 10, 81
Air conditioning, automatic
................................................ 8

1, 84
Air conditioning, manual
...............

..................................... 81, 82
ai

r filter
...............
........................................... 216
ai

r flow
..............................
..............................80
Air intake

...............
....................................83, 86
ai

r vents
..............................
............................80
Alarm
............................................................... 65
A

nti-lock braking
system (ABS)

.............................................. 14

2
Anti-theft
..............................

................... 61, 102
apple® player ............... 278, 279, 280, 304, 306
Armrest, front ...................................... 7 4, 90, 93
Armrest, rear

................................................... 76aSC ........

....................................................... 14 4
ash

tray, portable
.......................................9
0, 92
Audible warning
............................................ 1

41
Audio-CD
..............................

....... 276, 303, 323
Audio file formats

.......................................... 2

76
Audio streaming (
b
lu

etooth)
..............................
............330, 331
Audio systems

............................... 2
49, 289, 311Audio-telematics
...............................

............
249
Automatic illumination of headlamps
...................................... 1
28, 130
Automatic operation
of hazard warning lamps
............................
1
41
Automatic rain sensitive windscreen wipers
...................................... 13
6
Automatic switching off of lighting
................
13
0
Auxiliary
sockets
...........9
4, 278 -281, 304-308, 328 -329
AC
Capacity, fuel tank ..............................
..........210
CD changer ............................... ....................325
CD MP3

................
........................ 276, 303, 325
Central locking

.......................................... 5

2-59
Changing a bulb
..................................... 18

2-187
Changing a fuse
..................................... 1

8 8 -19 3
Changing a wheel

...............................
...175 -178
Changing a wiper blade
...............

............................................ 197
Changing the remote control battery ............................................... 60
Changing the time
.............................. 4

4, 46, 49
Checking levels

...................................... 21

3 -215
Checking the engine oil level
...............

......................................... 213
Checks
...............

.................................... 2 07-218
Children
...............................

... 149, 151, 155 -170
Child lock

...............................
........................170
Child seats

................... 1
55, 156, 160 -162, 169
Child seats, ISOFIX

...................................... 16

6
Cigarette lighter............................................... 92
Closing the boot

...............................
...............63
Closing the doors

...............................
.............62
Colour screen
....................... 2

50, 253, 290, 293
Connectors, audio
.............. 9

4, 278 -281, 304-305, 328 -329
Controls for air conditioning
...............................

........82, 84
Coolant
...............................

.............................35
Coolant level
..............................

...................214
Courtesy lamp, front

..................................... 13

8
Courtesy lamp, rear

...................................... 13

9
Cruise control
................................................ 12

0
Cup holder

...............................
........................90
CVT gearbox

......................................... 1
05, 217
bat

tery
...............................

.................... 194, 216
Battery, charging
...............................

............ 19 6
Battery, remote control

.............................6

0, 61
bl

uetooth (telephone)
....................2

37, 288, 308
bl

uetooth telephone
with voice recognition

.......................... 2

37-24 8
bo

nnet
...............

............................................ 207
bo

nnet stay
................................................... 2

07
b

oot
........

......................................................... 63
Boot lamp

...................................................... 14

0
Bottle holder

...............................

..................... 90
Brake discs

.................................................... 2

18
Brake lamps

...............................

................... 18 6
Brake pads
...............................

..................... 218
Braking assistance system

................

......................................... 142
bulb

s
(changing, type)
................................... 18

2-187
B
.
alphabetical index

336
Eco-driving .....................................................10
Electronic brake force distribution (E
bFd) ...............................

.........................142
Electronic engine immobiliser ................. 61, 102
Emergency boot release
................................. 63
E

mergency warning lamps
........................... 1

41
Engine compartment
........................... 20

8, 209
Engine compartment fuses
........................... 19

1
Engine, Diesel

............... 2
09, 211, 212, 226 -232
Engine oil

...................................................... 2

13
Engine oil level dipstick

.................................2

13
Engine, petrol

................................ 2
08, 211, 219
Environment
........................ 1

0, 60, 81, 196, 215
Error messages (audio equipment)

.....33

2, 333 Identification plates
.......................................
23
5
Indicators, direction
.............................. 1
41, 183
Inflating tyres
..............................
....................
10
Inputs for audio system ............ 9 4, 278 -281, 304-305, 328 -329
Instrument panel
............................... ..............12
Instrument panel screen

..............1
2, 19 -31, 104
Interior fittings
...........................................9

0, 91
iPhone
.................................................. 2

80, 306
iPod
........

.............................................. 280, 306
ISOFIX mountings .........................164, 165, 168
D
G
F
I
H
Gearbox, manual .................. 1 03, 104, 111, 217
Gear lever, manual gearbox .........................10
3
Gear shift indicator

....................................... 10

4
Glove box

..................................................9
0, 91
G . P. S .
...............

..................................... 254-267
Grab handles
.................................................. 95
G

uidance
............................................... 2

54-267
E
Daytime running lamps .........................130, 184
Deactivating ASC ............................... ...........14 4
Deactivating the passenger airbag
............... 15

0
Deactivation of the passenger and rear window control switches

................68
D

eadlocking
...............................
...............55, 57
Demisting-Defrosting
.......................... 7

7, 88, 89
dia

ls
...............
................................................. 12
Diesel additive level

...................................... 2

15
Dimensions
..............................

.....................233
Dipped beam
...............................

..........182, 18 4
Dipstick
................

.......................................... 213
Direction indicators
............... 1

41, 182, 183, 186
do

ors
..............................................................
.62
Driving economically ....................................... 10Filling with fuel
......................................
21 0, 211
Fitting a wheel ............................... ................179
Fittings, boot

...................................................96
F

ittings, rear
...............................
.....................95
Fitting the mat

.................................................91
F

lashing indicators
........ 1
41, 182, 183, 185, 186
Folding/unfolding the door mirrors

.................78
F

our-wheel drive system
...............................11

8
Frequency (radio)

.......................... 2
75, 300, 317
Front foglamps
.............................. 1

29, 182, 184
Front seats
..............................

............ 71, 72, 74
Fuel .................................................. 10, 210, 211
Fuel consumption
............................................ 10
F

uel filler cap
.................................................2

10
Fuel filler flap

.................................................2

10
Fuel gauge

......................................................12
F

uel tank........................................................210
Fuses
................

.............................................188
Fuses in dashboard

......................................18

9Hazard warning lamps ..................................
1 41
Headlamp adjustment ................................... 13
3
Headlamp wash
............................................ 13

5
Headlamp wash reservoir

.............................2

15
Head restraints, front

......................................73
H

ead restraints, rear
.......................................75
H

eated seats
...............................
....................74
Heating
................

................................10, 82, 84
Height and reach adjustment, steering wheel
..............................

................79
Hill start assist

...............................................11

0
alphabetical index

338
Reversing lamps ...........................................18 6
Roof bars ....................................................... 20
3
Roof blind

...............................
.........................70
Routine checks

..................................... 21

6, 218
Running out of fuel (Diesel)

..........................2

12
Screen (audio equipment)

................. 4
4, 46, 48
Screen, instrument panel

..........................1

9 - 31
Screen menu

...............................
......... 253, 294
Screenwash, front
......................................... 13

5
Screenwash reservoir
................................... 2

15
SD card

..............................
.......... 265, 279, 280
Seat adjustment

...............................
......... 71, 72
Seat back storage pockets

.............................95
Se

at belts
............................................... 14

6 -149
Seat belts warning lamp

...............................14

6
Seats, electric
................................................. 72
S

eats, rear
....................................................... 75
S

erial number, vehicle
..................................23

5
Service indicator
............................................. 33
S

ervicing
...............................
..........................10
Setting the clock

................................ 4
4, 46, 48
Sidelamps
.....................................1

82, 184, 186
Side repeater
..............................

..................185
Ski flap

..............................
..............................76
Snow chains
.................................................. 18

1
Spare wheel
...............................

........... 114, 176
Speedometer
..............................

....................12
Spotlamps, side
............................................ 18

5
Starting the vehicle

...................................9
8, 99Steering mounted controls,
audio ............... ............................ 251, 291, 314
Stopping the vehicle

.................................9
8, 99
Stop & Start system (
au

to Stop Go)
............................................111
St

orage
................
................................ 76, 91, 96
Stowing rings
..............................

..............96, 97
Sun visor
......................................................... 91
S

ystem, audio- CD..................................311-333
System, audio-telematics
..................... 24

9 -288
Table of weights

.....................2

20-225, 227-232
Tables of engines

...............................
... 219, 226
TCL
........

........................................................14 4
Technical data
....................................... 2

19 -232
Telephone
........................................... 3

08, 309
Telephone, with voice recognition

.........2

37-24 8
Temperature adjustment
...........................8

2, 84
Temperature, coolant
...................................... 35
T

emporary puncture repair kit
......................17

1
Third brake lamp

................................... 1
86, 187
Three flashes function (direction indicators)
................................... 1

41
TMC (Traffic info)

..........................................26

8
To o l s
................

..............................................175
Total distance recorder

...................................32
T

ouch screen audio- CD system
...................28

9
Touch screen audio-telematic system

..........24

9
To w b a r
................

...........................................201
Towed loads

...........................2

20-225, 227-232
T
S
Radio ............................................ 275, 300, 301
Range ................ ........................................32, 35
RCA sockets

.......................... 9
4, 278, 304, 328
R
dS ................

............................................... 302
Rear foglamp ......................................... 129, 186
Rear screen (demisting)
.................................. 89
R

echarging the battery
.................................19

4
Recirculation / exterior air intake

....................84
R

egeneration of the particle
emissions filter
............................................ 2

17
Remote control

.......................................... 5

2- 61
Removing a wheel

..............................
..........17 7
Removing the mat

...............................
............91
Repair kit, puncture

....................................... 17

1
Replacing bulbs
..............................

.......182-187
Replacing fuses
..............................

.......18 8 -19 3
Replacing the air filter

...................................2

16
Replacing the oil filter

................................... 2

16
Replacing the passenger
compartment filter

...................................... 2

16
Replacing wiper blades................................. 197
Rev counter
..................................................... 12
R

eversing camera
...............................
..........126
R
Passenger compartment filter ...................... 2 16
Player, CD MP3 ............................ 2 76, 303, 325
Port, US
b


............................... 9
4, 278, 304, 328
Priming the fuel system

................................2

12
Protecting children

................. 1
49, 151, 155 -170
Puncture
................

................................ 171, 175
alphabetical index

215
8
Checks
C4-Aircross-add_en_Chap08_verifications_ed01-2015
Avoid prolonged contact of used oil or
fluids with the skin. Most of these fluids are harmful to health or indeed very corrosive.
Do not discard used oil or fluids into sewers or onto the ground. Take used oil to a CITROËN dealer or a qualified workshop (France) or to an authorised waste disposal site.
Used products
Topping up
The reservoir must be topped up without delay by a CITROËN dealer or a qualified workshop.
Additive level
(1.6 HDi 110 Diesel versions
with particle filter)
The additive reservoir low level is indicated by the display of this message.
Fluid specifi cation
For optimum cleaning, this fluid must not be topped up with or replaced with plain water.
Screenwash and headlamp
wash fluid
To check or top up the fluid, stop the vehicle, apply the parking brake and switch off the engine.
 Open the bonnet and secure it with the stay.  Open the filler cap for the screenwash reservoir.  Check the level using the gauge, then top-up if necessary.  Refit the cap on the reservoir and close the bonnet.
In wintry conditions, the use of fluid with an ethyl alcohol or methanol base is recommended.

9
219
Technical data
C4-Aircross-add_en_Chap09_caracteristiques-techniques_ed01-2015
C4-Aircross-add_en_Chap09_caracteristiques-techniques_ed01-2015
* The maximum power corresponds to the value type-approved on a test bed, under conditions defined in European legislation (Directive 1999/99/EC).
Engines and gearboxes
.../S : model fitted with the Stop & Start (AS&G) function.
PETROL ENGINES1.6 litre 1152.0 litre 150
Model codes: BU...NKZ0 NKZ0/SNK Z9 NKZ9/SAFYR AFZ7AFY V AFZM
AFYT AFZH AFZ9
AFYW AFZP AFZC
Transmission mode2WD2WD2WD4WD2WD4WD
Cubic capacity (cc) 1 590 1 998
Bore x stroke (mm) 75 x 90 86 x 86
Max power * : EU standard (kW) 86 113
Max power engine speed (rpm) 6 000 6 000
Max torque: EU standard (Nm) 15 4 19 9
Max torque engine speed (rpm) 4 000 4 200
Fuel Unleaded Unleaded
Catalytic converter Ye s Ye s
GEARBOXES Manual (5-speed) CVT (6-speed) Manual (5-speed) CVT (6-speed)
OIL CAPACITY (in litres)
Engine (with filter replacement) 4.2 4.3