2010 CITROEN DS4 ECU

233
Towbar with quickly detachable towball
For more information on the Technical
data and in particular the maximum
trailer weight and the recommended
nose weight, refer to the corresponding
section.
For more information on the Driving
advice , in particular when towing
a trailer, refer to the corresponding
section.
Observe the legislation in force in the
country in which you are driving.
Presentation
1.
Carrier
2. P rotective blanking plug.
3.
S

ecurity ring.
4.
F

olding trailer harness socket.
5.
D

etachable towball.
6.
L

ocking / unlocking wheel.
7.
S

ecurity key lock.
8.
L

ocking wheel protector.
9.
Ba

ll protector.
10.
St

orage bag. The locking wheel is not in contact with the
towball (gap of about 5 mm).
The green mark is visible.
The lock for the locking wheel is facing
rearward.
The locking wheel is in contact with the towball.
Then green mark is hidden.
The lock for the locking wheel is facing for ward.
This towbar allows the towball to be fitted and
removed quickly and easily without the use
of tools. Installed behind the rear bumper, the
towbar is invisible after removing the towball
and folding the trailer harness socket carrier.
A. Locked position
B. Unlocked position
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Practical information

234
Before each use
Check that the towball is correctly fitted by verifying the following points:
- t he towball is correctly locked in place (position A ),
-

t
he security key lock is on and the key removed; the locking wheel can no longer be
operated,
-

t
he towball must no longer move at all in its carrier; try to shake it by hand.
During use
Never unlock the device when a trailer or load carrier is fitted to the towball.
Never exceed the maximum authorised weight for the vehicle plus trailer (Gross Train
Weight - GTW).
Before driving, check the adjustment of the headlamp beam height.
For more information on Adjusting the headlamps , refer to the corresponding section.
After use
For journeys made without a trailer or load carrier, the trailer harness socket must be folded
away, the towball removed and
the blanking plug inserted in the carrier. This measure
applies particularly if the towball could hinder visibility of the number plate or lighting.
Fitting the towball
Remove the protective plug from the carrier
and check the condition of the fixing system.
If necessary, clean the carrier with a brush or
clean cloth.
Take the towball from the storage bag.
Remove the protective cover from the ball
and
the protective cap from the locking wheel.
Stow the plug, cover and cap in the
storage
bag.
Check that the towball is unlocked (position B ).
If not, insert the key in the lock and turn the key
anti-clockwise to unlock the mechanism.
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236
Attach the trailer to the towball.
Attach the cable on the trailer to the security
ring located on the carrier.
Lower the trailer harness socket carrier by
pulling down on the ring visible below the
b u m p e r.
Remove the protective cover from the socket
and connect the trailer wiring harness.
Removing the towball
Disconnect the trailer harness from the socket
on the carrier.
Detach the cable on the trailer from the security
ring on the carrier.
Unhook the trailer from the towball.
Return the trailer harness connector carrier to
the folded position.Insert the key into the lock.
Turn the key anti-clockwise to unlock the
towball fixing mechanism.
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Practical information

242
Bonnet
Opening
F Pull the interior bonnet release lever A,
located at the bottom of the door aperture. F

P
ush the exterior safety catch B to the left
and raise the bonnet.
F
U
nclip the stay C from its housing on the
back of the bonnet.
F

F
ix the stay in the notch to hold the bonnet
open.
The location of the interior bonnet
release lever prevents opening of
the bonnet while the front left door is
closed. Do not open the bonnet in high winds.
When the engine is hot, handle the
exterior safety catch and the bonnet
stay with care (risk of burns).
Before doing anything under the
bonnet, deactivate the Stop & Start
system to avoid any risk of injury
resulting from an automatic change to
START mode.
Closing
F Take the stay out of the support notch.
F
C lip the stay in its housing on the back of
the bonnet.
F

L
ower the bonnet and release it at the end
of its travel.
F

P
ull on the bonnet to check that it is
secured correctly.
The cooling fan may star t after switching
off the engine: take care with ar ticles and
clothing that might be caught by the fan
blades.
Because of the presence of electrical
equipment under the bonnet, it is
recommended that exposure to water
(rain, washing,
...) be limited.
F

O

pen the front left door.
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248
To check the level or top up the
fluid on vehicle fitted with headlamp
washers, immobilise the vehicle and
switch of the engine.
Screenwash / headlamp wash fluid level
F Open the bonnet and secure it with the st ay.Specification of the fluid
To ensure optimum cleaning and to avoid
freezing, the fluid should never be topped up or
replaced by plain water.
In wintry conditions, the use of a fluid
with an ethyl alcohol or methanol base is
recommended.
F

O

pen the screenwash reservoir filler cap.
F

T

ake and pinch the level gauge to block its
breather.
F

R

emove the gauge completely from
the reservoir to read the level in the
transparent section.
F

T

op up if necessary.
F

R

efit the filler cap to the reservoir and
close the bonnet.
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255
Never store bottles of AdBlue® in your
vehicle.
Recommendations on storage
AdBlue® freezes at about -11°C and
deteriorates above 25°C. It is recommended
that bottles be stored in a cool area and
protected from direct sunlight .
Under these conditions, the fluid can be kept
for at least a year .
If the additive has frozen, it can be used once it
has completely thawed out. Before starting the top-up procedure, ensure
that the vehicle is parked on a flat and level
sur face.
Procedure
F Switch off the ignition and remove the
key, or if your vehicle has one, press the
START/STOP button to switch off the
engine.
F

R
aise the boot floor for access to the
AdBlue
® tank. S
ecure the boot floor by attaching its cord
to the hook on the parcel shelf support.
F

U

nclip the black plastic blanking plug using
its tab.
F

I

nsert your fingers into the aperture and
turn the blue cap a 6
th of a turn anti-
clockwise.
F

C

arefully lift off the cap, without dropping it.
Do not dispose of AdBlue
® bottles or
containers in the household waste.
Place them in a container provided
for this purpose or take them to your
dealer.
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267
Ty p e 2
1. 12 V compressor, with integral pressure gauge.
2.
S

ealant cartridge, with integral hose.
3.
S

peed limit sticker.
Composition of the kit
The speed limit sticker must be secured
to the interior of the vehicle in the
driver's field of vision, to remind you
that a wheel is in temporary use.
Do not exceed a speed of 50 mph
(80
km/h) when driving with a tyre
repaired using this type of kit.
Repair procedure
F Switch off the ignition.
F S ecure the speed limit sticker inside the
vehicle.
Avoid removing any foreign bodies
which have penetrated into the tyre.
F

U
ncoil the pipe stowed under the
compressor.
F

C
onnect the pipe from the compressor to
the sealant cartridge.
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In the event of a breakdown

268
F Turn the sealant cartridge and secure it in the cut-out provided on the compressor. F

C
heck that the compressor switch is at
the "
O " position.
F
U
ncoil fully the electric cable, stowed under
the compressor.
F
R
emove the valve cap from the tyre to be
repaired, and place it in a clean area.
F
C
onnect the hose from the sealant
cartridge to the valve of the tyre to be
repaired and tighten firmly. F

C
onnect the compressor's plug to the
vehicle's 12 V socket.
F

S
witch on the ignition.
08
In the event of a breakdown