2011 Citroen DS4 key battery
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105Access
In the event of a malfunction with the remote
control, you can no longer unlock, lock or
locate your vehicle.
)
First of all, use the key in the lock to unlock
or lock your vehicle.
)
Then, reinitialise the remote control.
Fault with the remote
control
Reinitialisation
)
Switch off the ignition and remove the
ignition key.
)
Press the closed padlock immediately for a
few seconds.
)
Turn the key to position 2 (Ignition on)
.
)
Switch off the ignition and remove the key
from the ignition switch.
The remote control is fully operational again.
Changing the battery
Battery ref.: CR2032/3 volts.
)
Unclip the cover using a small screwdriver
at the two cutouts.
)
Lift off the cover.
)
Remove the flat battery from its location.
)
Fit the new battery into its location
obser ving the original direction of fitment.
)
Clip the cover onto the casing.
If the battery is flat, you are
informed by illumination of this
warning lamp, an audible signal
and a message in the screen.
If the problem persists, contact a
CITROËN dealer as soon as possible.
Page 115 of 396
11 3Access
System allowing the doors to be locked and
unlocked manually in the event of a malfunction
of the central locking system or battery failure.
Emergency control
Locking the driver's door
)
Inser t the key in the door lock, then turn it
to the rear.
You can also apply the procedure described
for the passenger doors.
Unlocking the driver's door
)
Inser t the key in the door lock, then turn it
to the front.
Locking the front and rear
passenger doors
)
Open the doors.
)
On the rear doors, check that the child lock
is not on (see Child Safety).
)
Remove the black cap, located on the edge
of the door, using the key.
)
Insert the key in the socket without forcing
it, then without turning it, move the latch
sideways towards the inside of the door.
)
Remove the key and refit the cap.
)
Close the doors and check that the vehicle
has locked correctly from the outside.
Unlocking the front and rear
passenger doors
)
Pull the interior door opening control.
Page 116 of 396
Boot
System allowing the mechanical unlocking of
the boot in the event of a battery or central
locking system malfunction.
Ta i l g a t e r e l e a s e
Unlocking
)
Fold back the rear seats to gain access to
the lock from inside the boot.
)
Inser t a small screwdriver into hole A
of the
lock to unlock the tailgate.
)
Move the latch to the left.
)
After unlocking the boot or the vehicle
using the remote control or the key, press
the opening control, then raise the tailgate.
Opening
Closing
)
Lower the boot lid using the interior grab
handle.
- when the engine is running
,
this warning lamp comes on,
accompanied by the display of an
aler t message for a few seconds,
- when the vehicle is moving
(speed above
6 mph (10 km/h)), this warning lamp comes
on, accompanied by an audible signal and
the display of an aler t message for a few
seconds.
Locking after closing
If the fault persists after closing again, the boot
will remain locked.
If the tailgate is not closed correctly:
Page 157 of 396
155Fittings
)
To connect a 12 V accessory
(max power: 120 W), remove the cap and
connect an appropriate adaptor.
)
Turn the key to the ignition on position.
12 V accessory socket
This is a removable lamp, fitted in the boot
wall, which can be used to light the boot or as
a torch.
For the boot lamp function, refer to the
"Visibility - § Boot lamp" section.
To r c h
Operation
This torch operates with NiMH type
rechargeable batteries.
It has a battery life of approximately 45 minutes
and charges while you are driving.
Obser ve the polarities when fitting the
rechargeable batteries.
Never replace the rechargeable batteries
with normal disposable batteries.
Page 214 of 396
Stop & Start
The Stop & Start system puts the engine temporarily into standby - STOP mode - during stops in the traffic (red lights, traffic jams, or other...). The
engine restarts automatically - START mode - as soon as you want to move off. The restart takes place instantly, quickly and silently.
Per fect for urban use, the Stop & Start system reduces fuel consumption and exhaust emissions as well as the noise level when stationary.
Operation
Going into engine STOP mode
With the electronic gearbox system,
for your comfort during parking
maoeuvres, STOP mode is not
available for a few seconds after
coming out of reverse gear.
STOP mode does not affect the
functionality of the vehicle, such as
braking, power steering, for example.
Never refuel with the engine in STOP
mode; you must switch off the ignition
with the key. The "ECO"
warning lamp comes
on in the instrument panel and the
engine goes into standby:
- with a manual gearbox
, at speeds below
12 mph (20 km/h), when you put the gear
lever into neutral and release the clutch
pedal,
- with the 6-speed electronic gearbox
system
, at a speed below 5 mph (8 km/h),
when you press the brake pedal or put the
gear lever into position N
.
If your vehicle is fitted with the
system, a time counter calculates
the sum of the periods in STOP
mode during a journey. It resets
itself to zero every time the ignition
is switched on with the key. STOP mode is not invoked when:
- the driver's door is open,
- the driver's seat belt is not fastened,
- the vehicle has not exceeded 6 mph
(10 km/h) since the last engine star t
using the key,
- the electric parking brake is applied or
being applied,
- the engine is needed to maintain a
comfor table temperature in the passenger
compartment,
- demisting is active,
- some special conditions (battery charge,
engine temperature, braking assistance,
ambient temperature...) where the engine is
needed to assure control of a system.
Special cases: STOP mode
unavailable
In this case, the "ECO"
warning lamp
flashes for a few seconds, then goes
off.
This operation is per fectly normal.
Page 216 of 396
The system is reactivated automatically
at every new star t using the key.
Reactivation
This system requires a specific battery with a
special specification and technology (reference
numbers available from a CITROËN dealer or a
qualified workshop).
Fitting a battery not listed by
CITROËN introduces the risk of malfunction of
the system. In the event of a malfunction with the system,
the "ECO OFF"
switch warning lamp flashes,
then comes on continuously.
have it checked by a CITROËN dealer or a
qualified workshop.
In the event of a fault in STOP mode, the
vehicle may stall. It is then necessary to switch
off the ignition and star t the engine again using
the key.
Operating fault
Maintenance
Before doing anything under the
bonnet, deactivate the Stop & Start
system to avoid any risk of injury
resulting from automatic operation of
START mode.
The Stop & Star t system makes use
of advanced technology. All work on
this type of battery must be done only
by a CITROËN dealer or a qualified
workshop. Press the "ECO OFF"
switch again.
The system is active again; this is confirmed
by the switch warning lamp going off and a
message in the instrument panel.
Page 273 of 396
271Practical information
Load reduction mode
System which manages the use of cer tain
functions according to the level of charge
remaining in the battery.
When the vehicle is being driven, the load
reduction function temporarily deactivates
cer tain functions, such as the air conditioning,
the heated rear screen...
The deactivated functions are reactivated
automatically as soon as conditions permit. Do not disconnect the terminals while the engine is running.
Do not charge the batteries without disconnecting the terminals first.
Do not push the vehicle to star t the engine if it is fitted with the 6 -speed electronic
gearbox system.
Before disconnecting the
battery
Wait 2 minutes after switching off the
ignition before disconnecting the battery.
Close the windows and the doors before
disconnecting the battery.
Following reconnection
of the battery
Following reconnection of the battery,
switch on the ignition and wait 1 minute
before star ting to permit initialisation of the
electronic systems. However, if problems
are encountered following this operation,
contact a CITROËN dealer or a qualified
workshop.
Referring to the corresponding section,
you must yourself reinitialise:
- the remote control key,
- the GPS satellite navigation system.