2021 CITROEN C4 AIRCROSS service

108
Manual gear changing
In the automated mode, you can take over
control temporarily at any time using the
steering mounted controls.
The use of these controls permits manual
selection of the gears in situations which
require a faster change down than that offered
in automated mode (arrival at a roundabout,
exit from a car park with a steep gradient,
over taking...).
The gearbox engages the gear requested if
the engine speed permits it. The gear engaged
appears.
To return to the automated mode, do one of the
following:
-
p
ress the back of the "+/OFF" steering
mounted control 3 for approximately
2
seconds,
-

m
ove the gear lever quickly towards
position +/- and then return it to position D ,
-

s
top the vehicle.
Stopping the vehicle Operating fault
With the ignition on, if the message "Slow
down" or "Service required" appears in
the instrument panel screen, this indicates a
gearbox malfunction.
When a message is displayed, carry out the
following operations:
-

s
low down and stop your vehicle in a safe
place,
-

p
lace the lever in position P and let the
engine run,
-

o
pen the bonnet to allow the engine to
cool.
If the message disappears for a long period,
you can set off again.
If the message remains displayed or appears
frequently, contact a CITROËN dealer or a
qualified workshop without delay.
Before switching off the engine, you must place
the gear lever in position P
.
You must apply the parking brake to immobilise
the vehicle.
Driving

119
As the engine torque is applied to all
four wheels, the condition of the tyres
has a considerable impact on the
per formance of the vehicle.
Ensure that all four tyres are in good
condition.
Avoid driving the vehicle in sandy or
muddy areas or in other areas in which
the wheels could spin.
Spinning the wheels places the
transmission components under
pressure and could cause a serious
malfunction.
Do not drive the vehicle through deep
water.
Avoid driving over excessively uneven
terrain (risk of scraping under the body
or of grounding on crossing a bridge).
Operating faults
If the selected transmission mode display
flashes, the vehicle switches automatically to
front "2WD" transmission mode.
It is then no longer possible to select the
transmission mode using the control A .
If the message "SLOW DOWN" is displayed on
the instrument panel, let the transmission cool
down then wait for the display to clear before
setting off again.
If "4WD" and "LOCK" are displayed alternately
and if "SERVICE REQUIRED" is displayed in
the instrument panel, the system has failed and
the safety system has been activated.
Contact a CITROËN dealer or a qualified
workshop without delay. Have your vehicle towed on a
flatbed.
The vehicle must not be towed with the
front or rear wheels on the ground even
if it is in front "2WD" (2 wheel drive)
mode.If the replacement of a tyre is
necessary on 4-wheel drive versions,
it is recommended that all four tyres be
replaced at the same time, ensuring
that the same make, model and size is
used on all wheels.
This is because using tyres of different
sizes, structure or rate of wear could
damage transmission components.
4
Driving

198
Recovering the vehicle
Recovery of your vehicle
2 wheel drive (2WD) versions: towing
with the wheels on the ground
F Put the gear lever into neutral (position N
for the CVT gearbox).
F

U
nlock the steering by by turning the
ignition switch to the " ON" position (or
to " ON " mode for vehicle fitted with the
"Keyless Entry and Starting" system).
F

R
elease the parking brake.
F

S
witch on the hazard warning lamps on
both vehicles.
F

M
ove off gently and travel slowly for a short
distance only.
General recommendations
Observe the legislation in force in your
c o unt r y.
Ensure that the weight of the towing
vehicle is higher than that of the towed
vehicle.
The driver must remain at the wheel of
the towed vehicle and must have a valid
driving licence.
When towing a vehicle with all four
wheels on the ground, always use an
approved towing bar; rope and straps
are prohibited.
When towing a vehicle with the engine
off, there is no longer any power
assistance for braking or steering.
In the following cases, you must always
call on a professional recovery service:
-

v
ehicle broken down on a motor way
or fast road,
-

4 w
heel drive vehicle,
-

w
hen it is not possible to put the
gearbox into neutral, unlock the
steering, or release the parking
brake,
-

t
owing with only two wheels on the
ground,
-

w
here there is no approved towing
bar available... Towing with the wheels on the ground
is only possible on 2 wheel drive (2WD)
versions.
F

F
it the towing bar to the towing eye on the
chassis, located under the front bumper.
Practical information

206
ToTaL & CITRoËn
Partners in performance and
protecting the environment
Innovation in the search for
performance
For over 40 year, the TOTAL Research and
Development departments have developed for
CITROËN, lubricants to match the latest technical
innovations on CITR
oËn
vehicles, both for
competition and for everyday motoring.
For you, this is an assurance that you will obtain of
the best per formance for your engine.
Optimum protection for
your engine
By having your CITROËN vehicle
serviced with TOTAL lubricants, you
are contributing towards improving the
life and per formances of your engine,
while also protecting the environment.
prefers
Checks

213
Checking levels
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).
Oil level
The check of the the level is done
out with the dipstick, located under
the bonnet. Refer to the description
of your engine compartment for the
position of the dipstick.Engine oil change
Refer to the maintenance and warranty guide
for details of the interval for this operation.
In order to maintain the reliability of the engine
and emission control system, never use
additives in the engine oil.
Oil specification
The oil must be the correct grade for your
engine and conform to the manufacturer's
recommendations.
Check all of these levels regularly, in line with the maintenance and warranty guide. Top them up if necessary, unless other wise indicated.
If a level drops significantly, have the corresponding system checked by a CITROËN dealer or a qualified workshop.
Dipstick
There are two marks on the dipstick:
A = maximum
If the level is above this
mark, contact a CITROËN
dealer or a qualified
workshop.
B = minimum
Top up the level through the
oil filler orifice, using the
correct grade of oil for your
engine. The level must never
be below this mark.
This check will only be correct if the vehicle is
on level ground and the engine has been off for
more than 30 minutes.
It is normal to top up the oil level between
two services (or oil changes). CITROËN
recommends that you check the level, and top
up if necessary, every 3 000 miles (5 000 km).
After topping up the oil, the check when
switching on the ignition with the oil level
indicator in the instrument panel is not valid
during the 30 minutes after topping up.
8
Checks

218
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.
Brake pads
For information on checking brake
disc wear, contact a CITROËN dealer
or a qualified workshop.
Brake disc wearParking brake
If excessive travel or a loss of
effectiveness of this system is
noticed, the parking brake must be
checked, even between two services.
Only use products recommended by
CITROËN or products of equivalent
quality and specification.
In order to optimise the operation of
units as important as those in the
braking system, CITROËN selects and
offers very specific products.
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.
Checking this system must be done by a
CITROËN dealer or a qualified workshop.
Unless there is a leak in the circuit, a drop in
the brake fluid level indicates that the brake
pads are worn.
Checks

242Consult your mobile telephone's user manual and enter
the pairing code recorded in step 7 in the telephone.
BLUETOOTH® TELEPHONE
WITH


VOICE

RECOGNITION
The system says "Start the pairing procedure on the telephone.
Consult the instructions in the telephone manual ".
If the code is incorrect, the system locks. To clear the code:
-

check that the telephone's voice recognition is not activated,
-


with the ignition on and the audio system active, press the END
CALL

button for 2 seconds, 3 times in succession.
When it detects a Bluetooth
® compatible mobile telephone,
the

system says "Please say the name of the telephone after
the

beep".
After the audible signal, allocate a name to the telephone
by saying the name of your choice. The system says "Allocate an order of priority between 1 and 7.
One is the highest level of priority
".
Give a number between 1 and 7 to establish the level of
priority of the mobile telephone.
The system says and confirms the "name of the telephone " and
the "number" of its priority.
a
nswer "Ye s
".
Say "No" to return to step 13.
The systems says "Pairing complete" then emits an audible signal
and deactivates the voice recognition.
The services available depend on the network, the SIM card and the compatibility of the Bluetooth
® telephone used. Check in your telephone
user

manual and with your service provider for the services you have access to.
If the system does not detect the Bluetooth
® compatible mobile
telephone, the matching process stops ands is accompanied by an
audible signal.
If you select a level of priority which has already been allocated to
another telephone, the system asks you if you wish to replace this
level of priority.

04
264The satellite navigation system guides the driver to the destination
set in accordance with a chosen route.
Initially, it searches for the destination required by the user, then
it calculates the route and finally it provides the visual and vocal
guidance instructions.
A point of interest (POI) is represented by an icon on
the map, it represents an airport, a station, a town
hall, ...
What is a point of interest (POI)?
Up to 40 different icons may be displayed (refer to the
section "Points of interest icon").
They are classified in 5 groups and identified by one
colour for each group:
-
Shops, finance and businesses (Green),
-

V
ehicles and travel (Dark blue),
-
Restaurants (Orange),
-

Public places and emergency services (Brown),
-

Entertainment and attractions (Blue).
GPS (Global Positioning System) consists of several
satellites arranged around the earth.
They continuously
transmit digital signals which travel at the speed of
light, on 2 different frequencies.
At any given time, the system receives its position
in relation to the satellites detected and the time of
transmission of the signal.
This enables the telematic unit to calculate its position
and therefore that of the vehicle.
A repositioning process using the map database stored
on the hard disk allows the vehicle to be positioned
on the road network, so improving the accuracy of the
vehicle location function.
GPS system
What is the navigation system and GPS? The system's measurements may be inaccurate if the vehicle is:
-

in a tunnel or underground car park,
-


underneath a two-level motorway
,
-

in an area with several very high buildings,
-


surrounded by closely planted trees.
Depending on the vehicle's situation and the reception of the GPS
information, the displayed information may disappear from the
screen temporarily

.
What precautions should be observed in order to make
best use of the system?
Do not place anything on or near the GPS aerial.
Do not use any digital communication equipment (personal
computers, etc.) near the GPS aerial.
Do not affix any reflective films or films containing carbon to the
windows.
NAVIGATION - GUIDANCE