2021 CITROEN C5 AIRCROSS Additive

20
Warning/indicator lampStateCause Actions/Observations
or Low fuel level
Fixed (warning
lamp or LED) and
needle in the red
zone (depending on
version), accompanied
by an audible signal
and a
message.
The audible signal
and the message
are repeated with
increasing frequency
as the level drops
towards zero.When it first comes on, there
remains approximately 5 litres of
fuel in the tank (reser ve). Refuel without delay to avoid running out of fuel.
Never drive until completely empty
, as this could
damage the emissions control and injection systems.
Diesel filter Fixed. The Diesel filter contains water. Risk of damage to the injection system: carry out (2)
without delay.
Par ticle filter
(Diesel) Fixed, accompanied
by an audible signal
and a

message about
the risk of particle
filter blockage. This indicates that the particle filter
is beginning to saturate.
As soon as the traffic conditions permit, regenerate
the filter by driving at a
speed of at least 37 mph
(60
km/h) until the warning lamp goes off.
Fixed, accompanied by
an audible signal and
a

message signalling
that the additive level
in the particle filter is
too low.This indicates that the level in the
additive tank is low. Carry out (3).
Instruments

63
Servicing the ventilation and air
conditioning system
F
E
nsure that the cabin filter is in good
condition and have the filter elements
replaced regularly.
We recommend the use of a
combined
cabin filter. Thanks to its special active
additive, it contributes to the purification of
the air breathed by the occupants and the
cleanliness of the passenger compartment
(reduction of allergic symptoms, bad
odours and greasy deposits).
F

T
o ensure correct operation of the air
conditioning system, have it checked
according to the recommendations in
the Maintenance and Warranty Guide.
Stop & Star t
The heating and air conditioning systems
only work when the engine is running.
Temporarily deactivate the Stop &
Start system to maintain a
comfortable
temperature in the passenger
compartment.
For more information on Stop & Star t ,
refer to the corresponding section.Manual air conditioning
Press the Air conditioning menu
button located under the touch
screen to display the system
controls page. The air conditioning system operates only with
the engine running.
Temperature adjustment
F Press one of the arrows 6
t o decrease (blue)
or increase (red) the value.
The value indicated corresponds to a
level of
comfort and not to a
precise temperature.
For maximum cooling or heating of the
passenger compartment, press the
temperature setting button down or up
until LO or HI is displayed.
Air flow adjustment
F Press one of the buttons 5 to increase (+) or
decrease ( -) the speed of the ventilation fan.
The air flow symbol (a fan) is filled in
progressively as the speed of the fan is
increased.
By reducing the air flow to a
minimum, you are
stopping ventilation.
Avoid driving for too long without
ventilation – risk of condensation and
deterioration of air quality!
1.
Automatic visibility programme.
2. Recirculation of interior air.
3. Rear screen demisting – defrosting.
4. System of f.
5. Air flow adjustment.
6. Temperature adjustment.
7. Air distribution adjustment.
8. Air conditioning on/off.
9. Maximum air conditioning.
3
Ease of use and comfort

181
It remains possible to use a fuel can to fill
t he tank.
Travelling abroad
As Diesel fuel pump nozzles may be
different in other countries, the presence
of the misfuel prevention device may make
refuelling impossible.
Not all Diesel vehicles are fitted with
misfuel protection, so before travelling
abroad, we recommend that you check
with a
CITROËN dealer whether your
vehicle is suitable for the fuel pumps in the
country in which you intend to travel.
When a
petrol filler nozzle is introduced into
the fuel filler neck of a Diesel vehicle, it comes
into contact with the flap. The system remains
closed and prevents filling.
Do not persist but introduce a Diesel type
filler nozzle.
Compatibility of fuels
The use of any other type of (bio) fuel
(vegetable or animal oils, pure or diluted,
domestic fuel, etc.) is strictly prohibited
(risk of damage to the engine and fuel
syste m). The only fuel additives authorised for use
are those that meet the B715001 (petrol)
or B715000 (Diesel) standards.
Petrol fuels conforming to the EN228 standard
containing up to 5% and 10% ethanol
respectively.
Diesel fuels conforming to the EN590,
EN16734 and EN16709 standards respectively
and containing up to 7%, 10%, 20% and 30%
fatty acid methyl ester respectively. The use of
B20
or B30 fuels, even occasionally, imposes
special maintenance conditions referred to as
"Arduous conditions".
Paraffinic Diesel fuel conforming to the
EN15940

standard.
Diesel at low temperature
At temperatures below 0°C (+32 °F), the
formation of paraffins in summer-type Diesel
fuels could prevent the engine from operating
correctly. In these temperature conditions, use
winter-type Diesel fuel and keep the fuel tank
more than 50% full.
At temperatures below -15°C (+5 °F) to avoid
problems starting, it is best to park the vehicle
under shelter (heated garage).
Travelling abroad
Cer tain fuels could damage your vehicle's
engine.
In cer tain countries, the use of a
par ticular
fuel may be required (specific octane
rating, specific trade name, etc.) to ensure
correct operation of the engine.
For all additional information, consult a


dealer.
7
Practical information

190
Check using the dipstick
The location of the dipstick is shown in the
corresponding underbonnet layout view.
F
T
ake the dipstick by its coloured grip and
pull it out completely.
F

W
ipe the end of the dipstick using a clean,
non-fluffy cloth.
F

R
efit the dipstick and push fully down, then
pull it out again to make the visual check:
the correct level is between marks A and B .A = MA X
B = MIN
Oil grade
Before topping up the oil or changing
the oil, check that the oil is the correct
grade for your engine and conforms to the
manufacturer's recommendations.
Topping up the engine oil level
The location of the oil filler cap is shown in the
corresponding underbonnet layout view.
F
A
dd oil in small quantities, avoiding any
spills on engine components (risk of fire).
Do not star t the engine if the level is:
-

A
bove mark A
, then contact a CITROËN
dealer or a qualified workshop.
-
B
elow mark B
, then top up the engine oil
immediately.
Take care when working under the bonnet,
as certain areas of the engine may be
extremely hot (risk of burns) and the
cooling fan could start at any time (even
with the ignition off).
Used products
Avoid prolonged contact of used oil or
fluids with the skin.
Most of these fluids are harmful to health,
and may be very corrosive.
Do not discard used oil or fluids into
sewers or onto the ground.
Empty used oil into the containers
reser ved for this purpose at a
CITROËN
dealer or a
qualified workshop.
Engine oil
The level is checked either using the
oil level indicator in the instrument
panel when the ignition is switched
on, for vehicles equipped with an
electric gauge, or using the dipstick.
The vehicle must be parked on a level sur face,
w ith the engine stopped for more than 30 minutes.
It is normal to top up the oil level between two
ser vices (or oil changes). It is recommended
that you check the level, and top up if
necessary, every 3,000
miles (5,000 km).
In order to maintain the reliability of the
engine and emissions control system,
never use additives in the engine oil.
Practical information

191
During the 30 minutes after topping up the
o il, the check per formed with the oil level
indicator in the instrument panel when the
ignition is switched on is not valid.
Brake fluid
The level of this fluid should be close
to the " MAX" mark. If not, check the
brake pad wear.
To know how often the brake fluid should be
replaced, refer to the manufacturer's servicing
schedule.
Engine coolant
Check the engine coolant level
regularly.
It is normal to top up this fluid
between two services. The check and top-up must only be done with
the engine cold.
A low level presents a
risk of serious damage
to the engine.
The level of this fluid should be close to the
" MAX " mark but should never exceed it.
If the level is close to or below the " MIN" mark,
it is essential to top up.
When the engine is hot, the temperature of this
fluid is regulated by the fan.
In addition, as the cooling system is
pressurised, wait at least one hour after
switching off the engine before carrying out any
work.
To avoid the risk of scalding if you need to top
up in an emergency, wrap a cloth around the
cap and unscrew the cap by two turns to allow
the pressure to drop.
Once the pressure has dropped, remove the
cap and top up to the required level.
If topping up, clean the cap before
replacing it. Use only DOT4 brake fluid
from a sealed canister.
F

W

ait a
few minutes before checking the
level again using the dipstick.
F

A

dd more oil if necessary.
F

A

fter checking the level, carefully refit the oil
filler cap and the dipstick in its tube.
Cooling of the engine when stopped
The engine cooling fan may star t after
the engine has been switched off.
Take care with objects or clothing that
could be caught in the blades of the
fan!Screenwash fluid
Top up to the required level when
necessary.
Fluid specification
The screenwash fluid must be topped up with
a ready for use mix.
In winter (temperatures below zero), a liquid
containing an anti-freeze agent must be
used which is appropriate for the prevailing
conditions, in order to preser ve the elements of
the system (pump, tank, ducts, etc.).
Filling with pure water is prohibited
under all circumstances (risk of freezing,
limestone deposits, jets, etc.).
Diesel fuel additive (Diesel
with particle filter)
or The minimum level in the particle
filter additive tank is indicated by fixed
illumination of this warning lamp,
accompanied by an audible warning
and a
message warning that the level
of additive is too low.
To p p i n g u p
This additive must be topped up without delay
by a CITROËN dealer or a qualified workshop.
7
Practical information

193
If the warning lamp stays on, this indicates
a low Diesel additive level.
For more information on Checking levels ,
refer to the corresponding section.
Following prolonged operation of the
vehicle at very low speed or at idle,
you may, in exceptional circumstances,
notice the emission of water vapour at the
exhaust on acceleration. This does not
affect the behaviour of the vehicle or the
environment.
New vehicle
The first particle filter regeneration
operations may be accompanied by a
"burning" smell, which is per fectly normal.
Manual gearbox
The gearbox does not require any
maintenance (no oil change).
Automatic gearbox
The gearbox does not require any
maintenance (no oil change).
Brake pads
Brake wear depends on the style
of driving, particularly in the case
of vehicles used in town, over short
distances. It may be necessary to
have the condition of the brakes
checked, even between vehicle
services.
Unless there is a
leak in the circuit, a drop in
the brake fluid level indicates that the brake
pads are worn.
After washing the vehicle, dampness, or
in wintry conditions, ice can form on the
brake discs and pads: braking efficiency
may be reduced. Make light brake
applications to dry and defrost the brakes.
Brake disc wear
For information on checking brake
disc wear, contact a CITROËN
dealer or a
qualified workshop.
Electric parking brake
This system does not require any
routine servicing. However, in case
of an issue, do not hesitate to have
the system checked by a
CITROËN
dealer or a
qualified workshop.
For more information on the Electric
parking brake , refer to the corresponding
section.
Wheels and tyres
The pressure must be checked on
all tyres, including the spare wheel,
when the tyres are "cold", at least
once a
month and before a long
j o u r n ey.
The pressures indicated on the tyre pressure
label are valid for "cold" tyres. If you have
driven for more than 10
minutes or more
than 6

miles (10 kilometres) at over 31 mph
(50

km/h), add 0.3 bar (30 kPa) to the values
indicated on the label.
7
Practical information

225
AAccessories .................................................... 89
Access to rear seats ....................................... 55
Active Safety Brake.................. 17, 15 6 -157, 159
AdBlue
® ..................................... 1 6, 28, 19 4 -195
AdBlue® tank ................................................. 19 6
Additive, Diesel ...................................... 191-192
Adjusting headlamps


...................................... 84
Adjusting head restraints


..........................54-55
Adjusting seats


.......................................... 55-56
Adjusting the air distribution


.....................64- 67
Adjusting the air flow
........................... 6

3, 65 - 67
Adjusting the date


............................... 34, 16, 29
Adjusting the height and reach of the steering wheel


.............................................. 58
Adjusting the lumbar support
.......................... 55
A

djusting the seat belt height
......................... 98
A

djusting the temperature

........................63, 65
Adjusting the time


............................... 34, 15, 30
Advanced Grip Control


............................. 95-96
Advice on care and maintenance


.................19 4
Advice on driving


................................... 11 6 -117
Airbags
...............................

.....19, 101, 103, 10 6
Airbags, curtain


...................................... 102-103
Airbags, front .................................. 101-103, 10 6
Airbags, lateral


....................................... 102-103
Air conditioning


................................... 62- 64, 67
Air conditioning, automatic


.......................65, 68
Air conditioning, dual-zone automatic


......64, 67
Air conditioning, manual
........................... 63

-64
Air intake


................................................... 65-66
Air vents


.......................................................... 61
Alarm


......................................................... 4 9 - 51
Anti-lock braking system (ABS)
................91-92
Anti-slip regulation (ASR)


...................18, 91- 9 6
Anti-theft/Immobiliser


............................. 4 0 , 11 8
Apple CarPlay connection


........................11, 17
Armrest, front
............................................. 7 3 -74
Assistance call
...............................

...........90 -91
Assistance, emergency braking


.......91- 92, 15 8
Audio streaming (Bluetooth)


...................8 -9, 23Cable, audio


....................................................23
Cable, Jack


.....................................................23
Capacity, fuel tank


........................................18 0
Cap, fuel filler

...............................
.................18 0
CD


...............................................................8, 23
CD, MP3


......................................................8, 23
Central locking
..........................................

36, 39
Changing a


bulb
.....................2

06 -207, 210 -211
Changing a


fuse
.............................21

2-213, 215
Changing a


wheel
.........................19

8 -19 9, 203
Changing a


wiper blade
..................................87
C

hanging the remote control battery

..............42
Charger, induction


......................................72-73
Charger, wireless
....................................... 7

2-73
CHECK
................

............................................29
Checking the engine oil level


..........................27
Checking the levels


................................18 9 -191
C
BBattery .................................... 186, 215, 217-218
Battery, 12 V ............................... ....192, 215 -217
Battery, charging


........................................... 217
Battery, remote control


.......................41- 4 3 , 7 0
Blind
..............................

............................52-53
Blind spot monitoring system, active
............165
Blind spot sensors


................................ 16 4 -166
BlueHDi


............................... 14, 28 -29, 192, 197
Bluetooth (hands-free)
........................ 12

, 24 -25
Bluetooth (telephone)
..................... 1

2-13 , 24 -2 6
Bonnet


.................................................... 188 -189
Boot


............................................... 44- 45, 47, 78
Brake discs


.................................................... 193
Brake lamps
...............................

...................210
Brakes


..................................................... 13, 193
Braking assistance system
.......................91-92
Braking, automatic emergency ...17, 15 6 -157, 159
Brightness
....................................................... 14
Bulbs


............................................................. 207
Bulbs (changing)


.................... 206 -207, 210 -211 Checking tyre pressures (using the
kit)

...............................................
199-200, 202
Checks

...........................................
189, 192-193
Checks, routine

......................................
192-193
Child lock

.......................................................
115
Children

..................................................
11 0 -114
Children (safety)

............................................
115
Child seats
.............
10
0, 104 -105, 107, 109 -110
Child seats, conventional

.......................
109 -110
Child seats, i-Size .........................................
114
Child seats, ISOFIX ................................
111 -114
Cigarette lighter

..............................................
72
CITROËN Connect Nav

....................................
1
CITROËN Connect Radio
................................. 1
C
leaning (advice)

..........................................
19 4
Closing the boot ..................................
39, 44- 45
Closing the doors ......................................39, 44
Coffee Break Alert
........................................160
Collision Risk Alert ................................. 15 6 -15 8
Configuration, vehicle
..................................... 33
C

onnection, Bluetooth
..............1

2-13, 19, 24-26
Connection, MirrorLink


........................1 0 -11, 1 8
Connection, Wi-Fi network


.............................19
Control stalk, lighting


................................79, 81
Control stalk, wipers

...........................8

5 - 86, 88
Controls, steering mounted


...................125 -12 9
Control, back-up boot release
..................45, 48
Control, back-up door
................................41- 42
Control, heated seats


......................................57
Courtesy lamp
...............................................2 11
Courtesy lamps
...............................................75
Cover, load space
...........................................76
Cruise control


..........................140 -141, 14 4 -14 6
Cruise control by speed limit recognition
...............................

............140 -141
Cruise control, adaptive
................................147
Cruise control, adaptive with Stop function


................................................140 -141
Cup holder
.......................................................71
.
Alphabetical index

227
Jack .........................................198 -19 9, 203, 23
Jump starting ................................................ 216J
KKey ...................................................... 35, 40 - 42
Keyless Entry and Starting ................3
7- 41, 120
Key not recognised

....................................... 12

1
Key with remote control

....................3

5 - 3 6 , 11 8
Key, electronic


............................................37- 3 9
Kit, hands-free
.................................... 12

, 24 -25
Kit, temporary puncture repair
...... 1

98-200, 202Load reduction mode


....................................
18 6
Load space cover ............................................
76
Locating your vehicle

......................................
37
Locking
...............................
.......................
3 9 - 41
Locking from the inside ...................................
41
Locking the doors ........................................... 41
L ow fuel level ................................................18
0
Lumbar


............................................................55
LLabels, identification ..................................... 221
Lamps, front .................................................. 19 4
Lamps, parking


............................................... 81
Lamps, rear


........................................... 19 4, 210
Lamp, boot


.............................................. 78, 212
Lane departure warning system, active ...17, 1 6 1Lane Keeping Assist, Active ... 147, 151-15 3, 15 6
Leather (care)
................................................ 19 4
LEDs – Light-emitting diodes ...81, 207, 209 -211
Levels and checks
.............................. ...18 9 -191
Level, AdBlue
® .............................................. 19 2
Level, brake fluid ........................................... 191
Level, Diesel additive


............................. 191-192
Level, engine coolant


.............................. 2 7, 1 9 1
Level, engine oil
...................................... 2 7, 1 9 0
Level, screenwash fluid

.......................... 87

, 191
Light-emitting diodes – LEDs ...81, 207, 209 -211
Lighting dimmer
.............................................. 30
Lighting, cornering


.......................................... 85
Lighting, directional


......................................... 85
Lighting, guide-me home


.......................... 3 7, 8 2
Lighting, interior
...............................

............... 75
Lighting, ambience


.......................................... 75
Lighting, welcome


........................................... 82
Loading


................................................... 77, 187
MMaintenance (advice) ....................................19 4
Maintenance, routine ............................1 3 7, 1 9 2
Manoeuvring aids (recommendations)


.........13 5
Map reading lamps
......................................... 75
M

arkings, identification

.................................221
Massage function
..................................... 57- 5 8
Massage, multi-point


................................57- 5 8
Mat


.......................................................... 74 , 13 7
Memorising a
speed
..................................... 14

6
Menu


............................................................... 11
Menu short cuts

.............................................. 33
M

enus (audio)

........................................3-4, 3-4
Menu, main
..................................................... 33
M

essages

........................................................ 27
Messages, quick
............................................. 2

7
Mirrors, door ......................... 58 - 59, 68, 16 4 -166
Mirror, rear view
........................................ 59-60
Mirror, vanity


................................................... 71
Misfuel prevention


......................................... 18 0
Motorised tailgate
..................................... 4

5 - 47
Mountings, ISOFIX


....................................... 111
NNet, high load retaining ...................................77
Number plate lamps ...................................... 2 11
OObstacle detection ........................................ 167
Oil change ..................................................... 19
0
Oil consumption


............................................ 19 0
Oil, engine


..................................................... 19 0
On-board tools


................................ 78, 198 -19 9
Opening the bonnet


...................................... 188
Opening the boot


................................ 38, 44- 45
Opening the doors


.................................... 38, 44
Opening the fuel filler flap
.............................18 0
Opening the windows
..................................... 36
PPads, brake ................................................... 193
Paint .............................................................. 221
Paint colour code
.......................................... 221
Park Assist

...............................
......173 -174, 176
Parking brake, electric
.................. 1

3, 18, 21-22,
121-124, 193
Parking sensors, audible and visual


.............167
Parking sensors, front


...................................167
Parking sensors, rear .................................... 167
Personalisation


............................................ 9 -10
Plates, identification ...................................... 221
Player, Apple
® ............................................. 9 , 23
Player, MP3

CD ............................... ................23
Player, USB

................................................. 8, 22
Power steering
...............................

.................23
Pre-heater, Diesel


........................................... 19
Pressures, tyres


.................................... 193, 202
Pre-tensioning seat belts


.............................. 10 0
Priming the fuel system
......................... 197-198
Profiles


...................................................... 14, 28
Programmable cruise control


.......................14 4
Programmable speed limiter .........................142
Protecting children


...101-102, 104 -107, 110 -114
Puncture


................................. 199-200, 202-203
.
Alphabetical index