2010.5 Citroen DS4 engine

Checks
Battery Air filter and passenger compartment filter
Oil filter
Unless other wise indicated, check these components in accordance with the Maintenance and Warranty Guide and according to your engine. Other wise, have them checked by a CITROËN dealer or a qualified workshop.
The battery does not require any maintenance. However, check that the terminals are clean and correctly tightened, par ticularly in summer and winter. When carrying out work on the battery, refer to the "Practical information" section for details of the precautions to be taken before disconnecting the battery and following its reconnection.
Refer to the Maintenance and Warranty Guide for details of the replacement inter vals for these components. Depending on the environment (e.g. dusty atmosphere) and the use of the vehicle (e.g. city driving), replace them twice as often if necessar y (refer to the "Engines" section). A clogged passenger compar tment filter may have an adverse effect on the per formance of the air conditioning system and generate undesirable odours.
Replace the oil filter each time the engine oil is changed.
Refer to the Maintenance and Warranty Guide for details of the replacement inter val for this component.
The presence of this label, in par ticular with the Stop & Star t system, indicates the use of a specific 12 V lead-acid battery with special technology and specification, for which the involvement of a CITROËN dealer or a qualified workshop is required when replacing or
disconnecting the battery. Failure to obser ve this recommendation may shor ten the life of the battery.

Electric parking brake
This system does not require any routine ser vicing. However, in the event of a problem, have the system checked by a CITROËN dealer or a qualified workshop. For more information, see "Driving - Electric parking brake - § Operating faults".
Only use products recommended by CITROËN or products of equivalent quality and specification. In order to optimise the operation of units as impor tant as the braking system, CITROËN selects and offers very specific products. To avoid damaging the electrical units, the use of a high pressure washer in the engine compar tment is strictly prohibited . Brake disc wear
For information on checking brake disc wear, contact a CITROËN dealer or a qualified workshop.
Manual parking brake
If a loss of effectiveness of this system is noticed, the parking brake must be checked, even between two ser vices. Checking this system must be done by a CITROËN dealer or a qualified workshop.
Brake pads
Brake wear depends on the style of driving, par ticularly in the case of vehicles used in town, over shor t distances. It may be necessary to have the condition of the brakes checked, even between vehicle ser vices. Unless there is a leak in the system, a drop in the brake fluid level indicates that the brake pads are worn.

239Practical information
1. Sealing
 Uncoil the white pipe G fully.  Unscrew the cap from the white pipe.
 Connect the white pipe to the valve of the tyre to be repaired.
Repair procedure
Avoid removing any foreign bodies which have penetrated into the tyre.
 Connect the compressor's electric plug to the vehicle's 12 V socket.
 Star t the vehicle and leave the engine running.
 Switch off the ignition.  Turn the selector A to the "sealant"
position.  Check that the switch B is in position "O" .
Take care, this product is harmful (e.g. ethylene-glycol, colophony...) if swallowed and causes irritation to the eyes. Keep it out of reach of children.

241Practical information
2. Infl ation
Adjust the pressure using the compressor (to inflate: switch B in position "I" ; to deflate: switch B in position "O" and press button C ), in accordance with the vehicle's tyre pressure label (located on the left hand door aper ture). A loss of pressure indicates that the puncture has not been fully plugged; contact a CITROËN dealer or qualified workshop for assistance.
 Remove and stow the kit.  Drive at reduced speed (50 mph [80 km/h] max) limiting the distance travelled to approximately 120 miles (200 km).
 Turn the selector A to the "air" position.
 Uncoil the black pipe H fully.  Connect the black pipe to the valve of the wheel.
 Connect the compressor's electric plug to the vehicle's 12 V socket.
 Star t the vehicle again and leave the engine running.
 Visit a CITROËN dealer or a qualified workshop as soon as possible. You must inform the technician that you have used this kit. After inspection, the technician will inform you whether the tyre can be
repaired or must be replaced.

Removing the cartridge
 Stow the black pipe.  Detach the angled base from the white pipe.  Suppor t the compressor ver tically.  Unscrew the car tridge from the bottom.
Checking tyre pressures/
inflating accessories
Beware of discharges of fluid. The expiry date of the fluid is indicated
on the car tridge. The sealant car tridge is designed for single use; even if only par tly used, it must be replaced. After use, do not discard the cartridge into the environment, take it to an authorised waste disposal site or a CITROËN dealer. Do not forget to obtain a new sealant car tridge, available from CITROËN dealers or from a qualified workshop.
You can also use the compressor, without injecting any product, to: - check or adjust the pressureof your tyres, - inflate other accessories (balls, bicycle tyres...).
 Connect the compressor's electrical connector to the vehicle's 12 V socket.  Star t the vehicle and let the engine run.  Adjust the pressure using the compressor (to inflate: switch B in position "I" ; to deflate: switch B in position "O" and press button C ), according to the vehicle's tyre
pressure label or the accessory's pressure label.  Remove the kit then stow it.
 Turn the selector A to the "Air" position.  Uncoil the black pipe H fully.  Connect the black pipe to the valve of the wheel or accessory. If necessary, fit one of the adaptors supplied with the kit first.

Practical information
Front lamps
Model with xenon and directional headlamps
1. Directional dipped/main beam
headlamps (D1S-35W).2. Direction indicators (PY21W amber).3. Daytime running lamps (P21/5W XL).4. Sidelamps (LEDs).5. Foglamps (H11- 55W).
Model with halogen headlamps
1. Direction indicators (H21 clear).2. Dipped beam headlamps (H7- 55W).
3. Main beam headlamps (H1- 55W).4. Daytime running lamps (P21/5W XL).5. Sidelamps (LEDs).
6. Foglamps (H11- 55W).
Access to bulbs
Depending on the engine and only on the left hand side, you must first carry out the following operations for access to the protective covers on the bulbs.  Remove the air deflector by unclipping each of its three attachment points.  Unclip the bonnet release cable at its two fixings.  Move the cable down. After changing the failed bulb, remember to put everything back in place (cable and air deflector).

261Practical information
Engine compartment fuses
The fusebox is placed in the engine compar tment near the battery (left-hand side). Access to the fuses
 Unclip the cover.  Change the fuse (see corresponding paragraph).  When you have finished, close the cover carefully to ensure sealing of the fusebox.

263Practical information
Battery
Procedure for charging your battery when it is flat or for star ting the engine using another battery.
The battery is located under the bonnet. To gain access to it:  open the bonnet using the interior release lever, then the exterior safety catch,  secure the bonnet stay,
 remove the plastic cover to gain access to the two terminals,  unclip the fusebox to remove the battery, if necessary.
Access to the battery
 Raise the locking tab fully.
Disconnecting the cables
After refitting the battery, the Stop & Start system will only be active after a continuous period of immobilisation of the vehicle, a period which depends on the climatic conditions and the state of charge of the battery (up to about 8 hours).
The presence of this label, in par ticular with the Stop & Star t system, indicates the use of a 12 V lead-acid battery with special technology and specification; the involvement of a CITROËN dealer or a qualified workshop is essential when replacing or disconnecting the battery. Failure to obser ve this recommendation
may cause premature wear of the battery.
Reconnecting the cables
 Position the open clip 1 of the cable on the positive terminal (+) of the battery.  Press ver tically on the clip 1 to position it correctly against the battery.  Lock the clip by lowering the tab 2 .
Do not force the tab as locking will not be possible if the clip is not positioned correctly; star t the procedure again.