
9
Driving
127
Hill start assist
System which holds your vehicle temporarily (approximately 2 seconds) when star ting on a slope, the time it takes to move your foot from
the brake pedal to the accelerator pedal.
This
function is only active when:
- the vehicle is completely stationary, with your foot on the brake pedal,
- cer tain conditions on a slope are met,
- with the driver’s door closed.
The hill start assist function cannot bedeactivated.
On an ascendin
g slope, with the vehicle
stationary, the vehicle is held momentarilywhen you release the brake pedal:- provided you are in automated mode(position A) or in manual mode (position AM )
on an electronic gearbox.
Operating fault
If a malfunction of the system occurs, these
warning lamps come on. Contact a CITROËN
dealer or a
qualified workshop to have the system checked. On a descendin
g slope, with the vehicle
stationary and reverse gear engaged, thevehicle is held momentarily when you
release the brake pedal.
Do not leave the vehicle while it is being held in the hill star t assist phase. If you need to leave the vehicle withthe engine running, manually applythe parking brake then ensure that the parking brake warning lamp is on (not
flashing) in the instrument panel.
Operation

10
Checks
141
Additive level (Diesel with
particle emissions filter
)
According to your version of instrument panel,
the additive reser voir low level is indicated by:
To p p i ng up
The reser voir must be topped up without delay
by a CITROËN dealer or a qualified workshop.
Used products
- fixed illumination of the particleemissions filter warning lamp,
accompanied by an audible signal, or
- fix
ed illumination of the servicewarning lamp, accompanied byan audible signal and a message
that the par ticle emissions filter additive level is too low.
Do not discard used oil or fluids into sewers or onto the ground.
Take used oil to a CITROËN dealer or a qualified workshop (France) or to anauthorised waste disposal site.
Avoid prolonged contact of used oil or fluids with the skin.
Most of these fluids are harmful tohealth or indeed very corrosive.
Coolant level
The coolant level should be close
to the "MA X" mark but should never exceed it.
When the en
gine is warm, the temperature of
the coolant is regulated by the fan.
Changing the coolant
The coolant does not have to be changed.
Fluid specifi cation
The coolant must conform to themanufacturer's recommendations.
Top up the level when necessary.
The cooling fan may star t after switching off the engine: take care with ar ticles and clothing that might become caught by the fan blades.
In addition, as the cooling system is pressurised,
wait at least one hour after switching off theengine before carrying out any work.
To avoid any risk of scalding, unscrew the cap
by two turns to allow the pressure to drop. When
the pressure has dropped, remove the cap and
top up t
he level.
Screenwash fluid level
Fluid specifi cation
For optimum cleaning and to avoid freezing,
this
fluid must not be topped up or replaced with plain water.

Checks
142
According to your version of instrument panel, the start of
saturation of the par ticle emissions filter is indicated by:
- fixed illumination of the par ticleemissions filter warning lamp,
accompanied by an audible signal, or
- temporary illumination of
the ser vice warning lamp,
As soon as the traffic conditions permit, regenerate
the filter by driving at a speed of at least 40 mph (60 km/h) until the warning lamp goes off.
If the warning lamp stays on, refer to the "Additivelevel" section.
Checks
12 V battery
The battery does not require anymaintenance.
However, check that the terminals
are clean and correctly tightened,
particularly in summer and winter.
The presence of this label, in particular with
the Stop & Star t s
ystem, indicates the use of a specific 12 V lead-acid battery with special
technology and specification. The involvement
of a CITROËN dealer or a qualified workshop isessential when replacing or disconnecting the battery. When carr
ying out work on the battery, refer
to the "12 V battery" section for details of theprecautions to be taken before disconnecting
the battery and following its reconnection. Unless other wise indicated, check these components in accordance with the MAINTENANCE AND WARR ANT Y GUIDE and accordin
g to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.
On a new vehicle, the first operations of regeneration of the par ticle emissions filter may be accompanied by the smellof "burning", which is per fectly normal. Following prolonged operation of the vehicle at very low speed or at idle, you may, in exceptional circumstances,notice the emission of water vapour at the exhaust on acceleration. This does not affect the behaviour of the vehicle or the environment.
Particle emission filter (Diesel)
accompanied by an audible signal and amessage that there is a risk of blockage of
the particle emissions filter.
Air filter and passenger compartment filter
Refer to the MAINTENANCE AND
WARR ANT Y GUIDE for details of
the replacement intervals for thesecomponents.
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.y A clogged passenger compar tment filter may have
an adverse effect on the performance of the air conditioning system and generate undesirableodours.
Replace the oil filter each time the
engine oil is changed.
Refer to the MAINTENANCE AND
WARR ANT Y GUIDE for details of
the replacement interval for thiscomponent.
Oil filter