stop start CITROEN DS7 CROSSBACK 2021 Service Manual

159
Practical information07
For more information, contact a dealer or a
qualified workshop.
Installation tips
►  To fit the snow chains during a journey, stop
the vehicle on a flat surface at the side of the
road.
►  Apply the parking brake and position any
wheel chocks under the wheels to prevent
movement of the vehicle.
►  Fit the snow chains following the instructions
provided by the manufacturer.
►  Move off gently and drive for a few moments,
without exceeding 31 mph (50 km/h).
►  Stop the vehicle and check that the snow
chains are correctly tightened.
It is strongly recommended that you
practise fitting the snow chains on a level
and dry surface before setting off.
Avoid driving with snow chains on roads
that have been cleared of snow to avoid
damaging the vehicle's tyres and the road
surface. If the vehicle is fitted with alloy
wheels, check that no part of the chain or its
fixings is in contact with the wheel rim.
Rechargeable hybrid vehicles
The use of snow chains is only authorised
on the front wheels.
The driving mode selector must be on the 4WD
position (depending on version).
Energy economy mode
This system manages the duration of use of
certain functions, in order to conserve a sufficient
level of charge in the battery with the ignition off.
After switching off the engine and for a maximum
cumulative period of around 30 minutes, you can
continue to use functions such as the audio and
telematics system, dipped beam headlamps or
courtesy lamps.
Selecting the mode
A confirmation message is displayed when
energy economy mode is entered, and the active
functions are placed on standby.
If a telephone call is in progress at the
time, it will be maintained for around 10
minutes via the audio system’s hands-free
system.
Exiting the mode
These functions are automatically reactivated the
next time the vehicle is used.
To restore the use of these functions immediately,
start the engine and let it run:
–

For le
ss than 10 minutes, to use the equipment
for approximately 5 minutes.
–

For more than 10 minut
es, to use the equipment
for approximately 30 minutes.
Let the engine run for the specified duration to
ensure that the battery charge is sufficient.
To recharge the battery, avoid repeatedly or
continuously restarting the engine.
A flat battery prevents the engine from
starting.
For more information on the 12 V battery, refer
to the corresponding section.
Load reduction mode
This system manages the use of certain functions
according to the level of charge remaining in the
battery.
When the vehicle is being driven, the load
reduction function temporarily deactivates
certain functions, such as the air conditioning
and the heated rear screen.
The deactivated functions are reactivated
automatically as soon as conditions permit.
Bonnet
Stop & Start
Before doing anything under the bonnet,
you must switch off the ignition to avoid any
risk of the engine restarting automatically.
Take care with objects or clothing that could
be caught in the blades of the cooling fan

160
Practical information07
or in certain moving components - risk of
strangulation and serious injury!
Rechargeable hybrid vehicles
Before any work is carried out under the
bonnet, it is essential to switch off the ignition
and disconnect the charging connector nozzle
if it is connected, check that the READY
indicator lamp is off on the instrument panel
and wait 4 minutes - risk of serious injury!
The location of the interior bonnet release
lever prevents the bonnet being opened
when the left-hand front door is closed.
When the engine is hot, handle the
exterior safety catch with care (risk of
burns), using the protected area.
When the bonnet is open, take care not to
damage the safety catch.
Do not open the bonnet under very windy
conditions.
Cooling of the engine when stopped
The engine cooling fan may start after the
engine has been switched off.
Take care with objects or clothing that could
be caught in the blades of the fan!
Opening



►  From the inside: pull the control lever, located
on the left below the dashboard, towards you.


►  From the outside: lift the safety catch and
raise the bonnet.
A bonnet strut opens the bonnet and holds it
open.
Closing
►  Lower the bonnet and release it near the end
of its travel.
►  Check the locking.
Because of the presence of electrical
equipment under the bonnet, it is strongly
recommended that exposure to water (rain,
washing, etc.) be limited.
Engine compartment
The engine shown here is an example for
illustrative purposes only.
The locations of the following components may
vary:
–

Air filt
er.
–

Engine oil dip
stick.
–

Engine oil filler c
ap.
–

Priming pump
.
–

Degas
sing screw.

163
Practical information07
appropriate for the temperature conditions
must be used in order to protect the system's
components (pump, tank, ducts, jets).
Filling with pure water is prohibited in all
circumstances (risk of freezing, limescale,
etc.).
Diesel fuel additive (Diesel with
particle filter)
On reaching the minimum level in the
particle filter additive tank, this warning
lamp comes on fixed, accompanied by an audible
signal and a warning message.
Topping up
The topping up of this additive must be carried
out quickly.
Visit a dealer or a qualified workshop.
AdBlue® (BlueHDi)
An alert is triggered when the reserve level is
reached.
For more information on the Indicators and in
particular the AdBlue range indicators, refer to
the corresponding section.
To avoid the vehicle being immobilised in
accordance with regulations, you must top up the
AdBlue tank.
For more information on AdBlue
® (BlueHDi), and
in particular the supply of AdBlue, refer to the
corresponding section.
Checks
Unless otherwise indicated, check these
components in accordance with the
Manufacturer's service schedule and according to
your engine.
Otherwise, have them checked by a dealer or a
qualified workshop.
Only use products recommended by the
Manufacturer or products of equivalent
quality and specification.
In order to optimise the operation of
components as important as those in the
braking system, the Manufacturer selects and
offers very specific products.
12 V battery
The battery does not require any
maintenance.
Check regularly that the terminals are correctly
tightened (versions without quick-release
terminals) and that the connections are clean.
For more information on the precautions
to take before any work on the 12 V
battery, refer to the corresponding section.
Versions equipped with Stop & Start are
fitted with a 12 V lead-acid battery with
special technology and specifications.
Its replacement should be carried out only by a
dealer or a qualified workshop.
Passenger compartment filter
Depending on the environment and the use
of the vehicle (e.g. dusty atmosphere, city
driving), change it twice as often, if necessary.
A clogged passenger compartment filter
can adversely affect air conditioning
system performance and generate undesirable
odours.
Air filter
Depending on the environment and the use
of the vehicle (e.g. dusty atmosphere, city
driving), change it twice as often, if necessary.
Oil filter
Change the oil filter each time the engine
oil is changed.
Particle filter (Diesel)
The start of clogging of the particle filter is
indicated by the temporary lighting of this
warning lamp, accompanied by an alert message.
As soon as traffic conditions allow, regenerate
the filter by driving at a speed of at least 37 mph
(60 km/h), with an engine speed above 2,500
rpm, for about 15 minutes (until the warning lamp
goes out).
If it is not possible to reach 37 mph (60 km/h),
leave the engine running at idle for about 15
minutes, then drive with an engine speed above
2,500 rpm for 15 minutes.

165
Practical information07
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 dealer or a
qualified workshop.
Timing and accessory kits
The timing and accessory kits are used
from the time the engine is started until it
is switched off. It is normal for them to wear over
time.
A faulty timing or accessory kit can damage
the engine, rendering it unusable. Observe the
recommended replacement frequency, stated in
distance travelled or time elapsed, whichever is
reached first.
AdBlue® (BlueHDi)
To respect the environment and ensure
compliance with the Euro 6 standard, without
adversely affecting the performance or
fuel consumption of its Diesel engines, the
Manufacturer has taken the decision to equip
its vehicles with a system that combines SCR
(Selective Catalytic Reduction) with a Diesel
Particle Filter (DPF) for the treatment of exhaust
gases.
SCR system
Using a liquid called AdBlue® that contains
urea, a catalytic converter turns up to 85% of
the nitrogen oxides (NOx) into nitrogen and
water, which are harmless to health and the
environment.
The AdBlue® is contained in a special tank
holding about 17 litres.
Its capacity allows a driving range of
approximately 3,900 miles (6,500 km), which may
vary considerably depending on your driving style.
An alert system is triggered once the reserve level
is reached: it is then possible to drive for a further
1,500 miles (2,400 km) before the tank is empty
and the vehicle is immobilised.
For more information on the Warning and
indicator lamps and the associated alerts,
or the Indicators, please refer to the
corresponding sections.
Once the AdBlue® tank is empty, a device
required by law prevents the engine from
being restarted.
If the SCR system is faulty, the level of
emissions from the vehicle will no longer meet
the Euro 6 standard and the vehicle starts
polluting the environment.
In the event of a confirmed SCR system
malfunction, it is essential to visit a dealer or a
qualified workshop. After 660 miles (1,100 km),
a device is automatically activated to prevent
the engine from starting.
In both cases, a range indicator indicates
the distance that can be travelled before the
vehicle is stopped.
Freezing of the AdBlue®
AdBlue® freezes at temperatures below
around -11°C.
The SCR system includes a heater for the
AdBlue
® tank, allowing you to continue driving
in very cold conditions.
Supply of AdBlue®
It is recommended that the AdBlue® be topped up
as soon as the first alert is issued indicating that
the reserve level has been reached.
For the correct operation of the SCR
system:
–

U

se only AdBlue
® fluid that meets the ISO
22241 standard.
–

Ne

ver transfer AdBlue
® to another container
as it would lose its purity.
–

Ne

ver dilute AdBlue
® with water.
You can obtain AdBlue
® from a dealer or a
qualified workshop, as well as service stations
equipped with AdBlue
® pumps specially designed
for passenger vehicles.
Recommendations on storage
AdBlue® freezes at about -11°C and deteriorates
above +25°C. Containers should 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 fluid has frozen, it can be used once it has
completely thawed out at room temperature.

166
Practical information07
Never store AdBlue® containers in your
vehicle.
Precautions for use
AdBlue® is a urea-based solution. This fluid is non-
flammable, colourless and odourless (when kept
in a cool place).
In the event of contact with the skin, wash the
affected area with soap and running water. In the
event of contact with the eyes, immediately rinse
the eyes with large amounts of water or with an
eye wash solution for at least 15 minutes. Seek
medical attention if you feel a persistent burning
sensation or irritation.
If swallowed, immediately wash out the mouth
with clean water and then drink plenty of water.
In certain conditions (high temperature, for
example), the risk of release of ammonia cannot
be excluded: do not inhale the fluid. Ammonia
vapours have an irritant effect on mucous
membranes (eyes, nose and throat).
Store AdBlue® out of the reach of children,
in its original container.
Procedure
Before starting the top-up procedure, ensure that
the vehicle is parked on a flat and level surface.
In wintry conditions, ensure that the temperature
of the vehicle is above -11°C. Otherwise the
AdBlue
® may be frozen and so cannot be poured
into the tank. Park the vehicle in a warmer area
for a few hours to allow the top-up to be carried
out.
Never pour the AdBlue® into the Diesel fuel
tank.
If any AdBlue® is splashed, or if there are
any spillages on the bodywork, rinse
immediately with cold water or wipe with a
damp cloth.
If the fluid has crystallised, clean it off using a
sponge and hot water.
Important: in the event of a top-up after an
AdBlue breakdown, you must wait about
5 minutes before switching on the ignition,
without opening the driver's door, unlocking
the vehicle or bringing the electronic key into
the passenger compartment.
Switch on the ignition, then wait for 10
seconds before starting the engine.
►  Press the "START/STOP" button to switch off
the engine.


►  Turn the blue cap of the AdBlue® tank anti-
clockwise and remove it.
►  With a container of AdBlue®: after checking
the expiry date, read the instructions on the
label carefully before pouring the contents of the
container into the vehicle's AdBlue
® tank.
►  With an AdBlue® pump: insert the nozzle and
fill the tank until the nozzle automatically cuts
out.
In order not to overfill the AdBlue® tank:
–
Add betw
een 10 and 13 litres using
AdBlue
® containers.
–
St
op after the nozzle’s first automatic cut-
out, if you are refilling at a service station.
The system only registers AdBlue
®
intermediate top-ups of 5 litres or more.
If the AdBlue® tank is completely empty
– which is confirmed by the message “Top
up AdBlue: Starting impossible” – it is essential
to add at least 10 litres.
Top-up detection may not be instantaneous
after addition. It may take a few minutes of
driving before the top-up detection is effective.
Free-wheeling
In certain situations, it is necessary to put the
vehicle into free-wheeling mode (e.g. towing, on
a rolling road, automatic car wash (Wash mode),
rail or sea transport).
The procedure varies according to the type of
gearbox and parking brake.

174In the event of a breakdown08
► Move the switch to position "O".
►  Disconnect the compressor's electric plug
from the vehicle's 12 V socket.
►  Remove the kit.
►  Refit the cap on the valve.
►  Remove and store the bottle of sealant.
The sealant product is harmful if
swallowed and causes irritation to the
eyes.
Keep this product out of the reach of children.
The use-by date of the fluid is marked on the
bottle.
After use, do not discard the bottle into
the environment; take it to a dealer or an
authorised waste disposal site.
Do not forget to obtain a new bottle of
sealant, available from a dealer or a qualified
workshop.


►  Drive immediately for approximately 3 miles
(5 kilometres) at reduced speed (between 12 and
37 mph (20 and 60 km/h)) to plug the puncture.
►  Stop to check the repair and the tyre pressure
using the kit:
• If the tyre pre ssure is incorrect, contact a
dealer to have the tyre changed.
•

If the tyre pre
ssure is correct, drive a second
time for approximately 3 miles (5 kilometres)
at reduced speed (between 12 and 37 mph (20
and 60 km/h)), stop then check again the tyre
pressure using the kit to confirm the effective
repair of the tyre.
With a tyre repaired using this type of kit,
do not exceed a speed of 50 mph
(80 km/h) and do not drive more than
125 miles (200 km).
You must contact a dealer or a qualified
workshop to have the repair checked and the
tyre changed.
Checking/adjusting tyre
pressures
The compressor can be used, without injecting
sealant, to check and, if necessary, adjust the
tyre pressures.
►  Remove the valve cap from the tyre and keep it
in a clean place.
►  Uncoil the pipe stowed under the compressor.
►  Screw the pipe onto the valve and tighten
firmly.
►  Check that the compressor switch is in
position "O".
►  Fully uncoil the electric cable stowed under
the compressor.
►  Connect the compressor's electric plug to the
vehicle's 12 V socket.
►  Switch the ignition on.
►  Start the compressor by placing the switch
at position "I" and adjust the pressure to the
value shown on the vehicle's tyre pressure label.
To deflate: press the black button located on the
compressor pipe, near the valve connection.
If after 7 minutes the pressure of 2 bar is
not reached, the tyre is damaged; contact
a dealer or a qualified workshop for
assistance.
►  Once the correct pressure is reached, put the
switch in position "O".
►  Remove the kit and stow it.
►  Refit the cap on the valve.
Should the pressure of one or more tyres
be adjusted, it is necessary to reinitialise
the under-inflation detection system.
For more information on Tyre under-inflation
detection, refer to the corresponding section.

182
In the event of a breakdown08
Check beforehand that the backup battery has
a nominal voltage of 12 V and a capacity at
least equal to that of the discharged battery.
The two vehicles must not be in contact with
each other.
Switch off all electricity-consuming equipment
on both vehicles (audio system, wipers,
lighting, etc.).
Make sure that the jump leads are well away
from the engine’s moving parts (fan, belt, etc.).
Do not disconnect the (+) terminal while the
engine is running.


► Lift the plastic cover on the (+) terminal, if the
vehicle has one.
►  Connect the red cable to the (+) terminal of
flat battery A (at the metal elbow), then to the (+)
terminal of the backup battery B or of the booster.
►  Connect one end of the green or black cable
to the (-) terminal of the backup battery B or of
the booster (or to an earth point on the assisting
vehicle).
►  Connect the other end of the green or black
cable to the earth point C.
►  Start the engine on the assisting vehicle and
leave it running for a few minutes.
►  Operate the starter on the broken down
vehicle and let the engine run.
If the engine does not start immediately, switch
off the ignition and wait a few moments before
trying again.
►  Wait for it to return to idle.
►  Disconnect the jump leads in reverse order.
►  Refit the plastic cover to the (+) terminal, if
the vehicle has one.
►  Allow the engine to run for at least 30 minutes,
with the vehicle stationary, so that the battery
reaches an adequate state of charge.
Driving immediately without having
reached a sufficient level of charge may
affect some of the vehicle's functions (e.g.
Stop & Start).
Charging the battery using a battery
charger
For optimum service life of the battery, it is
essential to maintain an adequate state of
charge.
In some circumstances, it may be necessary to
charge the battery:
–

When using the v
ehicle mainly for short
journeys.
–

If the v
ehicle is to be taken off the road for
several weeks.
Contact a dealer or a qualified workshop.
To charge the vehicle's battery yourself,
use only a charger compatible with
lead-acid batteries with a nominal voltage of
12 V.
Follow the instructions provided by the
manufacturer of the charger.
Never reverse polarities.
It is not necessary to disconnect the
battery.
►  Switch the ignition off.
►  Switch off all electrical consumers (audio
system, lighting, wipers, etc.).


►  Switch off charger B before connecting
the cables to the battery, so as to avoid any
dangerous sparks.
►  Ensure that the charger cables are in good
condition.

183
In the event of a breakdown08
►  Lift the plastic cover on the (+) terminal, if the
vehicle has one.
►  Connect the cables of charger B as follows:
•

the po
sitive (+) red cable to the (+) terminal
of battery A,
•

the nega
tive (-) black cable to earth point C on
the vehicle.
►  At the end of the charging operation, switch
off charger B before disconnecting the cables
from battery A.
If this label is present, use only a 12 V
charger to avoid causing irreversible
damage to the electrical components.
24V
12V
Disconnecting/reconnecting the battery
In order to maintain an adequate state of
charge for starting the engine, we recommend
disconnecting the battery if the vehicle is to be
unused for an extended period.
Before disconnecting the battery:
►  Close all openings (doors, boot, windows,
roof).
►  Switch off all electricity-consuming devices
(audio system, wipers, lamps, etc.).
►  Switch off the ignition and wait for 4 minutes. After accessing the battery, it is only necessary to
disconnect the (+) terminal.
Quick-release terminal clamp
Disconnecting the (+) terminal


► 
Depending on equipment, lift the plastic cover
on the (+) terminal.
►  Raise lever A fully to release clamp B.
►  Remove clamp B by lifting it off.
Reconnecting the (+) terminal

► Raise lever A fully.
►  Refit open clamp B on the (+) terminal.
►  Push clamp B fully down.
►  Lower lever A to lock clamp B.
►  Depending on equipment, lower the plastic
cover on the (+) terminal.
Do not force the lever when pressing on it,
as if the clamp is not positioned correctly,
locking will then not be possible. Start the
procedure again.
The Stop & Start system may not be
operational during the trip following the
first engine start.
In this case, the system will only be available
again after a continuous period with the
vehicle immobilised, the duration of which
depends on the exterior temperature and the
state of charge of the battery (up to about 8
hours).
With Rechargeable hybrid
engines
The rechargeable hybrid system has two
accessory batteries: one at the front and one at
the rear of the vehicle.
Replacing the accessory batteries
Contact a dealer or a qualified workshop.

218Alphabetical index
S
Safety, children 84, 86–91, 94
Saturation of the particle filter (Diesel)
163
Screens, very cold conditions

158
Screenwash

73
Screenwash, front

73
Screenwash, rear

73
SCR (Selective Catalytic Reduction)

20, 165
Seat angle

44, 48
Seat belts

81–83, 88
Seat belts, rear

82
Seats, electric

44–45
Seats, front

43–45
Seats, heated

45–46
Seats, rear

48–49, 86
Selector, gear

101–105
Sensors (warnings)

113
Serial number, vehicle

193
Servicing

17, 163–165
Settings, equipment

10, 24
Shield, snow

158
Sidelamps

64, 179
Silent vehicle warning sound
(Rechargeable hybrid)

77
Smartphone

24–25, 57
Snow chains

111, 158–159
Snow screen

158
Socket, 12 V accessory

56, 61
Speakers

58
Speed limiter

116–118
Speed limit recognition

114–115
Speedometer

113
Sport mode 106–107
Spotlamps, side
66
Stability control (ESC)

79, 81
Starting a Diesel engine

143
Starting/Stopping the vehicle

97
Starting the engine

97–98
Starting the vehicle

98, 101–104
Starting using another battery

99, 181
State of charge, battery

24
Station, radio

204–205
Steering wheel (adjustment)

46
Stickers, customising

168
Stopping the vehicle

98, 101–104
Stop & Start

22, 50, 53, 109–110, 143, 159, 163, 183
Storage

56–57, 58, 60
Storage box

62
Storage compartments

55
Storage wells

60, 62
Storing driving positions

45
Stowing rings

60
Sunroof, panoramic

40–41
Sunshine sensor

50
Sun visor

56
Suspension

164
Suspension with variable
vibration reduction

105
Switching off the engine

97
Synchronising the remote control

32T
Tables of engines 190–192
Tailgate
32
Tank, fuel

143–144
Technical data

190–192
Telephone

202, 206–207
Temperature, coolant

19
Ticket holder

55
Time (setting)

23, 208
Tool box

62
Tools

170–172
Topping-up AdBlue®

166
Top Tether (fixing)

90
Total distance recorder

21
Touch screen

23–24, 54
Towbar

81, 155
Towed loads

189–192
Towing

186–187
Towing another vehicle

186–187
Towing the vehicle

186–187
Traction battery charge

149
Traction battery
(Rechargeable hybrid)

21, 145–146, 153
Traction control (ASR)

80
Trailer

81, 155
Trailer stability assist (TSA)

81
Trajectory control systems

79
Triangle, warning

170
Trip computer

22
Tyres

164, 193
Tyre under-inflation detection

110, 174