2020 CITROEN C4 ABS

126
Driving
The system assesses the driver's level of alertness, fatigue and distraction by
identifying trajectory changes in relation to the
lane markings.
To do this, the system uses a camera, placed on
the upper part of the windscreen.
This system is particularly suited to fast roads
(speed higher than 43 mph (70
km/h)).
At a first alert level, the driver is warned by the
message "Be vigilant!", accompanied by an
audible signal.
After three first-level alerts, the system triggers
a further alert with the message " Dangerous
driving: take a break", accompanied by a more
pronounced audible signal.
In certain driving conditions (poor road
surface or strong winds), the system may
give alerts independent of the driver's level of
vigilance.
The following situations may interfere with the operation of the system or
prevent it from working:
–

lane markings absent, worn, hidden (snow
,
mud) or multiple (roadworks);
–

close to the vehicle ahead (lane markings
not detected);
–


roads that are narrow
, winding, etc.
Parking sensors
For more information, refer to the
General recommendations on the use
of driving and manoeuvring aids .


This system detects and signals the proximity of
obstacles (e.g.
pedestrian, vehicle, tree, barrier)
using sensors located in the bumper.
Rear parking sensors
► Engage reverse gear to start the system
(confirmed by an audible signal).
The system is switched off when reverse gear is
disengaged.
Audible assistance

The system signals the presence of obstacles
within the sensors’ detection zone.
The proximity information is given by an
intermittent audible signal, the frequency of
which increases as the vehicle approaches the
obstacle.
When the distance between the vehicle and
the obstacle becomes less than about thirty
centimetres, the audible signal becomes
continuous.
The sound emitted by the speaker (right or
left) indicates the side on which the obstacle is
located.
Adjusting the audible signalDepending on version, with
CITROËN Connect Nav, pressing
this button opens the window for adjusting the
volume of the audible signal.
Visual assistance

This supplements the audible signal, without
taking account of the vehicle's trajectory, by
displaying bars on the screen that represent the
distance between the obstacle and the vehicle
(white: more distant, orange: close, red: very
close).

159
Practical information
7Manual gearbox
The gearbox does not require any maintenance (no oil change).
Automatic gearbox
The gearbox does not require any maintenance (no oil change).
Manual parking brake
If you notice excessive brake lever travel
or decreased effectiveness, the parking
brake must be adjusted, even between two
services.
This system must be checked by a CITROËN
dealer or a qualified workshop.
Electric parking brake
This system does not require any routine servicing. However, in the event of a
problem, 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.
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, moisture, or in wintry conditions, ice can form on the
brake discs and pads: braking efficiency may
be reduced. Gently dab the brakes to dry and
defrost them.
Brake disc/drum wear
For any information on checking brake
disc/drum wear, contact a CITROËN
dealer or a qualified workshop.
Wheels and tyres
The inflation pressure of all tyres, including the spare wheel, must be
checked on "cold” tyres.
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.
Under-inflation increases energy
consumption. Non-compliant tyre
pressures cause tyres to wear prematurely
and have an adverse effect on the vehicle's
road holding - risk of accident! Driving with worn or damaged tyres reduces the
braking and road holding performance of the
vehicle. Regularly check the condition of the
tyres (tread and sidewalls) and rims as well as
the presence of the valve caps.
When the wear indicators no longer appear set
back from the tread, the depth of the grooves is
less than 1.6 mm; replace the tyres as soon as
possible.
Using different size wheels and tyres from those
specified can affect the lifetime of tyres, wheel
rotation, ground clearance, the speedometer
reading and have an adverse effect on road
holding.
Fitting different tyres on the front and rear axles
can cause the ESC to mistime.
Always mark the direction of rotation on the tyres
that will be stored when fitting winter or summer
tyres. Store them in a cool, dry place and away
from direct exposure to the sun's rays.
Winter or 4-seasons tyres can be
identified by this symbol on their
sidewalls.
Shock absorbers
It is not easy for drivers to detect when
shock absorbers are worn. Nevertheless,
the shock absorbers have a major impact on
road holding and braking performance.
For your safety and driving comfort, it is
important to have them regularly checked by a
CITROËN dealer or a qualified workshop.

163
Practical information
7To clean instrument panels, touch screens
or other displays, wipe gently with a soft,
dry cloth. Do not use products (e.g. alcohol,
disinfectant) or soapy water directly on these
surfaces - risk of damage!
Bodywork
High-gloss paint
Do not use abrasive products, solvents,
petrol or oil to clean the bodywork.
Never use an abrasive sponge to clean
stubborn stains - risk of scratching the
paintwork!
Do not apply polish in strong sunshine, or to
plastic or rubber parts.
Use a soft cloth and soapy water or a pH
neutral product.
Gently wipe the bodywork with a clean
microfibre cloth.
Apply polish with the vehicle clean and dry.
Comply with the instructions for use stated on
the product.
Decals
(Depending on version)
Do not use a high-pressure washer to
clean the vehicle - risk of damaging or
detaching the decals!
Use a high-flow hose (temperature
between 25°C and 40°C).
Place the jet of water perpendicular to the
surface to be cleaned.
Rinse the vehicle with demineralised water.
Textile
The dashboard, door panels and seats may
contain parts made of textile material.
Maintenance
Do not use aggressive cleaning products
(e.g. alcohol, solvent or ammonia).
Do not use steam-cleaning systems - risk of
affecting the adhesion of the fabrics!
Remove dust from the textile parts
regularly with a dry cloth, soft brush or
vacuum cleaner
.
Rub down the
textile parts once per year with
a clean, damp cloth. After leaving overnight to
dry, brush with a soft-bristled brush.
Stain removal
Do not rub the stain or it may spread or
you may cause the substance to
penetrate the surface.
Act quickly by reducing the stain from its edges inwards.
Remove as much substance or solids as
possible using a spoon or spatula, and
remove
as much liquid as possible using
absorbent paper.
Product/Procedure to use depending
on the type of stain:
–

Grease, oil and ink: clean with a pH-neutral
detergent.
–


V

omit: clean with sparkling mineral water.
–

Blood: spread flour over the stain and allow
to dry; remove with a slightly damp cloth.
–


Mud: allow to dry and then remove with a
slightly damp cloth.
–


Cake, chocolate, ice cream: clean with
lukewarm water

.
–

Sugary and/or alcoholic drinks: clean with
lukewarm water

, or lemon juice if the stain is
persistent.
–

Hair gel, coffee, tomato sauce, vinegar:
clean with lukewarm water and lemon juice.
For solid substances, then use a soft brush or
vacuum cleaner

.
For liquid substances, then use a damp
microfibre cloth and then dry with another
cloth.
Leather
Leather is a natural product. Appropriate regular
care is essential for its durability.

179
In the event of a breakdown
8Towing constraints
Type of vehicle
(engine/gearbox) Front wheels on the
ground Rear wheels on the
ground Flatbed
4 wheels on the ground
with towbar
Internal combustion/Manual


Internal combustion/Automatic

Electric

In case of battery or electric parking brake failure, it is essential to call a p
rofessional using flatbed recovery vehicles (excluding manual gearbox).
Accessing the tools
The towing eye is stored with the tool kit in the
boot.
For more information on accessing the Tool kit,
refer to the corresponding section.
Towing your vehicle
To access the front screw thread:

► Unclip the cover by pressing on its left-hand
section.
►

Release the cover downwards.
T

o be towed:
► Screw the towing eye in fully .
► Install the towbar .
►

Put the gearbox into neutral.
Failure to observe this instruction could
result in damage to certain components
(braking, transmission, etc.) and to the
absence of braking assistance the next time
the engine is started.
Automatic gearbox
Never tow the vehicle with the driving
wheels on the ground and the engine off.
►

Unlock the steering and release the parking
brake.

196
MyCitroën Play
MyCitroën Play
Multimedia audio system -
Applications - Bluetooth
®
telephone
The functions and settings described
vary according to the vehicle version and
configuration, as well as the country of sale.
For safety reasons and because they
require sustained attention by the driver,
the following operations must be carried out
with the vehicle stationary and the ignition
on:
–

Connecting the smartphone via Bluetooth,
USB or Wi-Fi.
–


Using the smartphone.
–


Connecting to the CarPlay® or Android
Auto applications (certain applications stop
displaying when the vehicle is moving).
–

Changing the system settings and
configuration.
The system is protected so that it only operates in the vehicle.
The message Energy economy mode is
displayed when the system is about to go into
standby.
The system’s Open Source Software (OSS) source codes are available at the
following addresses:
https://www.groupe-psa.com/fr/oss/
https://www.groupe-psa.com/en/oss/
First steps
With the engine running, a press mutes
the sound.
With the ignition off, a press turns the system on.
Increase or decrease the volume using
the wheel or the "plus" or "minus" buttons
(depending on the equipment).
Use the buttons on either side of or below the
touch screen to access the menus, then press
the virtual buttons on the touch screen.
Depending on the model, use the "Source"
and "Menu" buttons below the touch screen to
access the menus, then press the virtual buttons
on the touch screen.
At all times it is possible to display the rolling
menus by pressing the screen briefly with three
fingers.
On pages with multiple tabs at the bottom of the
screen, you can switch between pages either
by tapping the tab for the desired page or by
swiping the pages to the left or right with your
finger.
Press the back arrow to go back a level or
confirm.
The touch screen is of the "capacitive" type.
To clean the screen, use a soft, non-abrasive
cloth (e.g. spectacles cloth) with no additional
product.
Do not use sharp objects on the screen.
Do not touch the screen with wet hands.
Certain information is displayed permanently on
the main screen:
–

Air conditioning status information (depending
on version), and direct access to the
corresponding menu.
–


Radio Media and
Telephone menu status
information.
–

Privacy status information.
–


Access to the touch screen and digital
instrument panel settings.
Audio source selection (depending on
equipment):
–


FM/DAB/AM radio stations (depending on
equipment).
–


T

elephone connected via Bluetooth and
Bluetooth multimedia broadcast (streaming).
–

USB Memory stick.
In very hot conditions, the volume may
be limited to protect the system. It may
enter standby mode (with the screen and
sound off) for 5 minutes or more.
The system will resume normal operation
when the temperature in the passenger
compartment has dropped.

237
Alphabetical index
180° rear vision 131
360 Vision
130
A
ABS 69
Accelerated charging unit (Wallbox)
141
Accessories

66
Active Safety Brake

122–124
AdBlue®

20, 160
AdBlue® tank

161
Additive, Diesel

158
Adjusting headlamps

59
Adjusting head restraints

40
Adjusting seat

40–41
Adjusting the air distribution

49–50
Adjusting the air flow

49–50
Adjusting the date

206, 229
Adjusting the height and reach
of the steering wheel

42
Adjusting the lumbar support

41
Adjusting the seat angle

41
Adjusting the temperature

48, 50
Adjusting the time

206, 230
Advice on care and maintenance

139, 162
Advice on driving

7, 84–85
Airbags

73, 75, 77
Airbags, curtain

74–75
Airbags, front

74–75, 77
Airbags, lateral

74–75
Air conditioning

46–47, 49
Air conditioning, automatic 50
Air conditioning, dual-zone automatic
47, 50
Air conditioning, manual

47, 50
Air intake

50
Air vents

45
Alarm

35–36
Amplifier, audio

54
Android Auto connection

204, 221
Anti-lock braking system (ABS)

69
Antitheft / Immobiliser

29
Apple CarPlay connection

203, 220
Applications

221
Assistance call

67–68
Assistance, emergency braking

70, 124
Audible warning

67
Audio streaming (Bluetooth)

200, 225
B
Battery, 12 V 153, 158, 175–177
Battery, ancillaries
175
Battery, charging

175–176
Battery, remote control

33–34
Blind

38–39
Blind spot sensors

121
BlueHDi

20, 158, 165
Bluetooth (hands-free)

201–202, 226
Bluetooth (telephone)

201–202, 226–227
Bluetooth touch screen audio system

24
Bodywork

163
Bonnet

154–155
Boot 35, 56
Brake discs
159
Brake lamps

174
Brakes

159
Braking

95
Braking assistance system

69–70
Braking, automatic emergency

122–124
Braking, dynamic emergency

90–92
Brightness

205
Bulbs

173
Bulbs (changing)

171–172, 174
C
Cable, audio 224
Cable, Jack
224
Capacity, fuel tank

137
Cap, fuel filler

137
Care of the bodywork

163
Central locking

31–32
Changing a bulb

171–172, 174
Changing a fuse

174
Changing a wheel

169
Changing a wiper blade

64
Changing the remote control battery

33
Changing to free-wheeling

178
Charge level indicator (Electric)

21
Charger, induction

53
Charger, wireless

53
Charging cable

142
Charging cable (Electric)

141