towing CITROEN DS4 2023 Owners Manual

78
Recommendations for ventilation and air conditioning
In order for these systems to be fully
effective, follow the operation and
maintenance guidelines below:
F
T
o ensure that the air is distributed
evenly, keep the external air intake
grilles at the base of the windscreen,
the nozzles, the vents, the air outlets
and the air extractor in the boot free
from obstructions.
F

D
o not cover the sunshine sensor,
located on the dashboard; this is used
for regulation of the automatic air
conditioning system.
F

O
perate the air conditioning system for
at least 5 to 10 minutes once or twice
a month to keep it in per fect working
o r d e r.
F

E
nsure that the passenger
compartment filter is in good condition
and replace the filter elements
periodically. We recommend the use of
a combined passenger compartment
filter. Thanks to its special active
additive, it helps both to purify the air
breathed by the occupants and to keep
the passenger compartment clean
(reduction of allergic symptoms, bad
odours and greasy deposits). F
T o ensure correct operation of the
air conditioning system, you are also
advised to have it checked regularly as
recommended in the Maintenance and
Warranty Guide.
F

I
f the system does not produce cold air,
switch it off and contact the dealer network
or a qualified workshop.
When towing the maximum load on a steep
gradient in high temperatures, switching off
the air conditioning increases the available
engine power and so improves the towing
ability.
To avoid the windows misting up and
deterioration in the quality of the air:
do not drive for too long with the ventilation
switched off.
Do not keep air recirculation set for an
extended period. If after an extended stop in sunshine, the
interior temperature is very high, first air
the passenger compartment for a few
moments.
Put the air flow control at a setting high
enough to quickly change the air in the
passenger compartment.
The condensation created by the air
conditioning results in a discharge of
water under the vehicle which is per fectly
normal.
Stop & Star t
The heating and air conditioning systems
only work when the engine is running.
To maintain a comfortable temperature
in the passenger compartment, you can
temporarily deactivate the Stop & Start
system.
For more information on Stop & Star t ,
refer to the corresponding section.
03
Ease of use and comfort

90
Storage boxStowing rings
There are four stowing rings in the boot for
securing luggage:
-

t
wo are located on the boot floor,
-

t
wo are located at the lower part of the
entrance.
Boot lighting
This comes on automatically when the boot is
opened and goes off automatically when the
boot is closed.
The lighting time varies according to the
circumstances:
-

w
hen the ignition is off, approximately
ten minutes,
-

i
n energy economy mode,
approximately thirty seconds,
-
w

ith the engine running, unlimited.
F
R
aise the boot carpet for access to the
storage box.
The latter has compartments for storage of a
box of spare bulbs, a first aid kit, etc.
It also contains vehicle tools, the temporary
puncture repair kit, etc.
03
Ease of use and comfort

104
Hazard warning lamps
Visual warning by means of the direction
indicators to alert other road users to a vehicle
breakdown, towing or accident.
F
P
ress this button, the direction indicators
flash.
It can operate with the ignition off.
Automatic operation of hazard
warning lamps
When braking in an emergency, depending on
the deceleration, the hazard warning lamps
come on automatically.
They switch off automatically the first time you
accelerate.
F

Y
ou can also switch them off by pressing
the button.
Horn
Audible warning system to alert other road
users to an imminent danger.
F

P
ress the central part of the steering wheel
with the integrated controls.
Use the horn in moderation and only
in the circumstances allowed by traffic
regulations in the country in which you are
driving.
Emergency or assistance
call (type 1)
Localised Emergency Call
* In accordance with the general conditions of use for the ser vice available from dealers
and subject to technological and technical
limitations. In an emergency, press this
button for more than 2 seconds.
The flashing green LED and the voice message
confirm that the call has been made to the
"Localised Emergency Call" call centre*. Pressing this button again
immediately cancels the request.
The green LED goes off.
The green indicator lamp remains on (without
flashing) when communication is established.
It goes off at the end of the call.
05
Safety

133
In case of towing
Driving with a trailer places greater
demands on the towing vehicle and
requires extra care from the driver.
Distribution of loads
F Distribute the load in the trailer so that the heaviest items are as close as possible to
the axle and the nose weight approaches
the maximum permitted without exceeding
it.
Air density decreases with altitude, thus
reducing engine performance. The maximum
towed load must be reduced by 10% for every
1,000 metres of altitude.
For more information on the Technical
data of your vehicle and particularly on
towable loads, refer to the corresponding
section.
If the exterior temperature is high, it is
recommended that the engine be allowed
to idle for 1 to 2 minutes after the vehicle
comes to a stop, to facilitate its cooling.
Side wind
F Take into account the increased sensitivity to wind.
Cooling
Towing a trailer on a slope increases the
temperature of the coolant.
As the fan is electrically controlled, its cooling
capacity is not dependent on the engine speed.
F

T
o lower the engine speed, reduce your
speed.
The maximum towed load on a long incline
depends on the gradient and the exterior
temperature.
In all cases, keep a check on the coolant
temperature.
F

I
f this warning lamp and the
STOP warning lamp come on,
stop the vehicle and switch off
the engine as soon as possible.
Braking
Towing a trailer increases the braking distance.
To avoid overheating of the brakes, the use of
engine braking is recommended.
Ty r e s
F Check the tyre pressures of the towing vehicle and of the trailer, observing the
recommended pressures.
Lighting
F Check the electrical lighting and signalling on the trailer and the headlamp beam height
of your vehicle.
For more information on Headlamp
adjustment , refer to the corresponding
section.
The rear parking sensors will be
deactivated automatically to avoid
the audible signal if a genuine DS
AUTOMOBILES towbar is used.
06
Driving

139
When the vehicle is being driven,
if this warning lamp and the STOP
warning lamp come on, accompanied
by an audible signal and a message
on the multifunction screen, this
indicates that the parking brake is still
on or has not been fully released.
When parking on a slope, direct your
wheels towards the kerb, apply the
parking brake, engage a gear and switch
off the ignition.
Electric parking brake
The electric parking brake combines
2 operating modes:
-

A
utomatic application/release
Application is automatic when the engine stops,
release is automatic on use of the accelerator
(activated by default),
-

M
anual application/release
The parking brake can be applied/released
manually by pulling control lever .
If this warning lamp comes on in
the instrument panel, the automatic
mode is deactivated.
Do not place any object (packet of
cigarettes, telephone...) between the gear
lever and the electric parking brake control
l eve r.
Programming the mode
Depending on the country of sale of the vehicle,
the automatic application when the engine is
switched off and the automatic release when
you press the accelerator can be deactivated.
Activation/deactivation of the system
is done in the vehicle configuration
menu.
The parking brake is locked and unlocked
manually. When the driver’s door is opened, a
loud beep is heard and a message is displayed
if the parking brake has not been applied. It is recommended that you do not apply
the parking brake in very cold conditions
(ice) and during towing (breakdown,
caravan...). Deactivate the automatic
functions and release the parking brake
manually.
06
Driving

140
Manual application
With the vehicle stationary, to apply the parking
brake regardless of whether the engine is
running or switched off, pull the control lever.
The application of the parking brake is
confirmed by:
When the driver’s door is opened with the
engine running, a message is displayed
accompanied by an audible signal if the parking
brake has not been applied, except in the case
of an automatic gearbox with the gear selector
in position P .
Before leaving the vehicle, ensure
that parking brake warning lamp in the
instrument panel is on fixed, not flashing.
Manual release
With the ignition on or the engine running, to
release the parking brake, press on the brake
pedal or the accelerator, pull then release
control. Full release of the parking brake is confirmed
by:
-
d
isplay of the message "Parking
brake released/off".
If you pull the control lever without
pressing the brake pedal, the parking
brake will not be released and a
warning lamp will come on in the
instrument panel.
Maximum application
If necessary, you can make maximum
application of the parking brake. It is obtained
by means of a long pull on control lever , until
you see the message "Parking brake applied
fully" accompanied by an audible signal.
Maximum application is essential:
-

i
n the case of a vehicle towing a caravan
or a trailer, if the automatic functions are
activated but you are applying the parking
brake manually,
-

w
hen the gradient you are parked on may
vary (e.g. on a ferry, on a lorry, during
towing). In the case of towing, a loaded vehicle or
parking on a gradient, make a maximum
application of the parking brake then turn
the front wheels towards the kerb and
engage a gear when you park.
After a maximum application, the release
time will be longer.
Automatic application, engine
off
With the vehicle stationary, the parking brake
is automatically applied when the engine is
switched off
.
The application of the parking brake is
confirmed by:
-

d
isplay of the message "Parking
brake applied/on".
-

i

llumination of the braking
warning lamp and the P warning
lamp in the control lever,
-

d

isplay of the message "Parking
brake applied". -

t

he braking warning lamp and
the P warning lamp in the
control lever going off,
-
i
llumination of the braking
warning lamp and the P warning
lamp in the control lever ,
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Driving

141
Before leaving the vehicle, ensure
that parking brake warning lamp in the
instrument panel is on fixed, not flashing.
Never leave a child alone inside the
vehicle with the ignition on, as they could
release the parking brake.
In the case of towing, a loaded vehicle
or parking on a gradient, turn the front
wheels towards the kerb and engage a
gear when you park.
Automatic release
The electric parking brake releases
automatically and progressively when you
press the accelerator:
F
M
anual gearbox: press down fully on the
clutch pedal, engage 1st gear or reverse,
press on the accelerator pedal and move
of f.
F

A
utomatic gearbox : select position D, M or
R then press the accelerator pedal.
Full release of the parking brake is confirmed
by:
When stationary with the engine running, do
not press the accelerator pedal unnecessarily,
as you may release the parking brake.
Immobilisation of the vehicle
with the engine running
With the engine running and the vehicle
stationary, in order to immobilise the vehicle
it is essential to manually apply the parking
brake by pulling the control lever.
The application of the parking brake is
confirmed by:
When the driver’s door is opened, a message is
displayed accompanied by an audible signal if
the parking brake has not been applied, except
in the case of an automatic gearbox with the
gear selector in position P . Before leaving the vehicle, ensure
that parking brake warning lamp in the
instrument panel is on fixed, not flashing.
Special situations
In some circumstances (engine start, etc.),
the parking brake may automatically adjust its
force. This is normal operation.
To move your vehicle a few centimetres without
starting the engine, with the ignition on, press
the brake pedal and release the parking brake
by pulling
then releasing the control lever. The
full release of the parking brake is confirmed by
the warning lamps in the control lever and in the
instrument panel going off and by the display of
the message "Parking brake released/off ".
- the braking warning lamp and the P warning lamp in the
control lever going off, -

d
isplay of the message "Parking
brake released/off".
-
i
llumination of the braking
warning lamp and the P warning
lamp in the control lever,
-
d
isplay of the message "Parking
brake applied/on".
Emergency braking
In the event of a failure of the main ser vice
brake or in an exceptional situation (e.g. driver
taken ill, under instruction, etc.), a continuous
pull on the control lever will stop the vehicle.
The electronic stability control provides stability
during emergency braking.
If the emergency braking malfunctions,
the message "Parking brake faulty" will be
displayed.
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Driving

156
Use the cruise control only where the
driving conditions allow running at a
constant speed for a while and at an
adequate safe distance.
Do not activate the cruise control in urban
areas, in heavy traffic, on winding or steep
roads, on slippery or flooded roads, or in
conditions of poor visibility (heavy rain,
fog, falling snow etc.).
In some circumstances, it may not
be possible to maintain or reach the
programmed speed: towing, vehicle
heavily loaded, steep climb, etc.
The use of mats not approved by the
manufacturer may interfere with the
operation of the cruise control.
To avoid any risk of jamming of the pedals:
-
e
nsure that the mat is positioned
c o r r e c t l y,
-

n
ever place one mat on top of another.Lane departure warning
system
System which detects the involuntary crossing
of longitudinal traffic lane markings on the
ground (solid or broken line).
Sensors, fitted below the front bumper, trigger
a warning if the vehicle drifts over a lane
marking (speed higher than 50 mph (80 km/h)).
This system is particularly useful on motor ways
and main roads.The lane departure warning system
cannot, in any circumstances replace the
need for vigilance on the part of the driver.
It is necessary to obser ve the driving
regulations and take a break every two
hours.
Activation
F When switching on the ignition or with the engine running, press this button to activate
the system; the indicator lamp comes on.
Deactivation
F Press this button again, the indicator lamp goes off.
The status of the system remains in memory
when the ignition is switched off.
Detection
You are warned by the vibration of the driver's
seat cushion:
-

o
n the right-hand side, if the marking on the
road has been crossed on the right,
-

o
n the left-hand side, if the marking on the
road has been crossed on the left.
No warning is given while the direction indicator
is active and for approximately 20 seconds
after the direction indicator is switched off.
A warning may be transmitted if a direction
marking (arrow) or non-standard marking
(graffiti) is crossed.
Malfunction
In the event of a malfunction, the
Ser vice warning lamp comes on,
accompanied by an audible signal
and a message in the screen.
Contact the dealer network or a qualified
workshop.
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Driving

159
F To deactivate the system, press this button again; the warning lamp goes off.
The status of the system remains in memory
when the ignition is switched off.
The system is automatically deactivated
when towing with a towbar approved by
DS AUTOMOBILES.
Malfunction
In the event of a fault, the warning lamp in the
button flashes then goes off.
Contact the dealer network or a qualified
workshop. The system may suffer temporary
interference in certain weather conditions
(rain, hail, etc.).
In particular, driving on a wet sur face
or moving from a dry area to a wet area
can cause false alerts (for example, the
presence of a fog of water droplets in
the blind spot angle is interpreted as a
vehicle).
In bad or wintry weather, ensure that the
sensors are not covered with mud, ice or
snow.
Take care not to cover the warning zone in
the door mirrors or the detection zones on
the front and rear bumpers with adhesive
labels or other objects; they may hamper
the correct operation of the system.
Parking sensors
This system cannot in any circumstances
replace the need for vigilance on the part
of the driver.
This system indicates the proximity of an
obstacle (person, vehicle, tree, gate, etc.)
entering the detection range of the sensors
located in the bumper.
Certain types of obstacle (post, roadworks
cone, etc.) detected initially will no longer
be detected at the end of the manoeuvre, if
they are located in blind spots in the sensors'
detection range.
06
Driving

170
Very cold climate screen
(Depending on the country of sale.)
Removable protective screen which prevents
the accumulation of snow at the radiator
cooling fan.
Fitting
F Position the very cold climate screen to the front of the lower section of the front
b u m p e r.
F

P
ress around its edge to engage its fixing
clips one by one.
Removing
F Use a screwdriver as a lever to release each fixing clip.
The very cold climate screen must be
removed when:
-

t
he exterior temperature exceeds
10°C,
-
w

hen towing,
-

a
t speeds above 75 mph (120 km/h).
To w b a r
Your vehicle is primarily designed for
transporting people and luggage, but it may
also be used for towing a trailer.We recommend the use of genuine
DS AUTOMOBILES towbars and their
harnesses that have been tested and
approved from the design stage of your
vehicle, and that the fitting of the towbar
is entrusted to a dealer or a qualified
workshop.
If the towbar is not fitted by a dealer, it
must still be fitted in accordance with the
vehicle manufacturer's instructions. Driving with a trailer places greater
demands on the towing vehicle and the
driver must take particular care.
For more information on Driving advice
,
particularly when towing, refer to the
corresponding section.
Obser ve the maximum authorised towable
weight, indicated on your vehicle's
registration certificate, the manufacturer's
label as well as in the Technical data
section of this guide.
Complying with the maximum
authorised nose weight (towball)
also includes the use of accessories
(bicycle carriers, tow boxes, etc.).
The maximum authorised nose weight
does not depend on the type of device
installed, fixed or removable, with or
without a tool.
07
Practical information