open bonnet Citroen DS3 2010 1.G Owner's Manual

89Access
Do not make any modifications to the alarm system, this could cause malfunctions.
Alarm System which protects and provides a deterrent against the theft of your vehicle. It provides two types of protection, exterior and interior, as well as a self-protection function.
Exterior perimeter
protection
The system detects opening of the vehicle. The alarm is triggered if anyone tries to enter the vehicle by forcing a door, the boot or the bonnet.
Interior volumetric
protection
The system detects any variation in the volume in the passenger compar tment. The alarm is triggered if anyone breaks a window or moves inside the vehicle. If you wish to leave a pet in the vehicle or a window par tially open, deactivate the interior volumetric protection.
Self-protection function
The system detects the putting out of ser vice of its components. The alarm is triggered if anyone tries to put the wires of the siren, the central control or the battery out of ser vice.

169Checks
Bonnet
Protects the components of the engine and provides ac cess for checking levels.
Opening
 Open the front left door.  Pull the interior release lever A , located at the bottom of the door aper ture.
 Push the exterior safety catch B to the left and raise the bonnet.  Unclip the bonnet stay C from its housing, holding it by its foam protection.  Fix the stay in the notch to hold the bonnet open.
The location of the interior release lever prevents opening of the bonnet while
the front left door is closed.
When the engine is hot, handle the exterior safety catch and the stay with care.
Before doing anything under the bonnet, switch off the Stop & Star t
system to avoid any risk of injury resulting from an automatic change to START mode.

Closing
Running out of fuel
(Diesel)
If your vehicle is fitted with an HDI engine, the fuel system must be primed if you run out of fuel. This system consists of a priming pump and a transparent pipe under the bonnet.
 Fill the fuel tank with at least five litres of Diesel.  Open the bonnet.  Depending on version, unclip the cover to gain access to the priming pump.  Squeeze and release the priming pump until resistance is felt (could be from the first application) and fuel appears in the transparent pipe with the green connector.  Operate the star ter until the engine star ts.  Depending on version, put the cover back in position and clip it in place.  Close the bonnet.
If the engine does not star t at the first attempt, do not try again. Operate the priming pump again, then the star ter.
 Take the stay out of the suppor t notch.  Clip the stay in its housing.  Lower the bonnet and release it at the end of its travel.  Pull on the bonnet to check that it is fully latched.

Closing
Running out of fuel
(Diesel)
If your vehicle is fitted with an HDI engine, the fuel system must be primed if you run out of fuel. This system consists of a priming pump and a transparent pipe under the bonnet.
 Fill the fuel tank with at least five litres of Diesel.  Open the bonnet.  Depending on version, unclip the cover to gain access to the priming pump.  Squeeze and release the priming pump until resistance is felt (could be from the first application) and fuel appears in the transparent pipe with the green connector.  Operate the star ter until the engine star ts.  Depending on version, put the cover back in position and clip it in place.  Close the bonnet.
If the engine does not star t at the first attempt, do not try again. Operate the priming pump again, then the star ter.
 Take the stay out of the suppor t notch.  Clip the stay in its housing.  Lower the bonnet and release it at the end of its travel.  Pull on the bonnet to check that it is fully latched.

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 by pulling on its grip for access to the two terminals,  unclip the fusebox to remove the battery, if necessary.
Access to the battery
 Connect the red cable to the positive terminal (+) of the flat battery A , then to the positive terminal (+) of the slave battery B .
Starting using another
battery
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, for which the involvement of a CITROËN dealer is required when replacing or disconnecting the battery. Failure to obser ve this recommendation may cause premature wear of
the battery.