CITROËN
C5
G LO S S A R Y
FIXED-CENTRED CONTROLS
STEERING WHEEL
A Citroën innovation that makes for safer driving in every
way. Whilst the rim of the steering wheel turns normally, the
centre hub remains static which means that all the audio,
information and driving controls operated from here stay
in exactly the same place. It also means that the driver’s
airbag can be specially sculpted to deploy more favourably
than the round ones necessary in cars with conventional
steering wheels.
DOUBLE WISHBONE
FRONT SUSPENSION
Usually deployed on performance and sports cars, this
double arm set up on each of the front wheels allows the
engineers much more control over the wheel’s camber
as it rises and falls whilst in motion. It means that driving
dynamics are improved dramatically, especially under load
in cornering and accelerating.
MULTI-LINK REAR
SUSPENSION
Differs from the front suspension set up (described above)
in that there are multiple links to the wheel instead of two.
Each of these links has a specic load role (lateral, camber,
twist etc.) and can be adjusted innitely by the engineers
to achieve the best combination of ride comfort and
driving dynamics.
HYDRACTIVE 3+
SUSPENSION
An outstanding Citroën invention built on the company’s
renowned hydropneumatic sphere platform, Hydractive 3+
suspension offers the ultimate in driver control and
passenger comfort. To begin with, the car maintains
a constant ride height at all times regardless of load
(either weight or force) which ensures excellent driver
control. In addition, electronic sensors read the road and
driving style hundreds of times a second and adapt the
hydraulic damping accordingly, maintaining perfect poise.
The driver is also able to select two different suspension
modes designed for varying degrees of comfort or sporty
driving. The system is maintenance free for ve years or
200,000km.
MYWAY COLOUR SATELLITE
NAVIGATION
MyWay is completely integrated into the vehicle which
avoids the risk of theft. The design has been created for
ease of use and with steering wheel controls, navigating
from your phone to the satellite navigation couldn’t be
any easier.
MyWay allows you to dene routes, stops and places of
interest with the added benet of vocal instruction. MyWay
also provides live trafc updates of any congestion spots
or delays.
A GPS integrated aerial is built into the vehicle, to
maximise the reception of satellite information; therefore
permitting an accurate location of the car.
BLUETOOTH
®
SYSTEM WITH
USB BOX
Integrated Bluetooth
®
hands-free phone function with
dashboard-integrated USB socket and jack to plug in
a portable MP3 player. Menu navigation and music
selection via steering-mounted and dashboard radio
controls, with song titles displayed on the radio screen.
LANE DEPARTURE WARNING
SYSTEM (LDWS)
When Citroën C5 is travelling at speeds in excess of
50mph infrared sensors at the front of the car detect the
white lines on the road. If the car starts to cross a white line
without the indicator being on the driver is alerted by the
vibration device built into his seat.
ADAPTIVE FRONT-LIGHTING
SYSTEM (AFS)
Designed specically to aid safety when driving in the dark,
Citroën C5’s static AFS provides an extra light at the front
when turning a corner at low speeds. Also, see Xenon
dual-function Directional Headlamps with cornering lights
for dynamic afs.
PHILIPS HI-FI SYSTEM
The Philips Hi-Fi system has just some of the following
features: Dolby surround sound, made to measure
acoustics, spatial sounds specially developed and
congurated for the passenger compartment, 1
subwoofer, high digital signal processor, digital amplier
and 8 Philips speakers.
XENON DUAL-FUNCTION
DIRECTIONAL HEADLAMPS
WITH CORNERING LIGHTS
A dynamic AFS with lamps that respond to the steering,
adjusting the direction of the beam in the direction of
the turn by up to 15 degrees. These headlamps contain
a directional twin xenon elliptical module for use in the
dipped and full-beam positions, and a complex surface
“long-range” halogen unit for full-beam only. This
combined assembly delivers an extremely high level of
forward visibility.
HIGH-PRESSURE DIRECT
INJECTION DIESEL ENGINE
Our HDi diesel engines operate with the fuel under
extremely high pressure, enabling microscopically
precise injection control. With this level of management
it’s possible to inject at different times during the same
engine stroke allowing total control over the combustion
process. This has allowed our engineers to reduce carbon
monoxide emissions by 40%, unburned hydrocarbons by
50% and engine particulates by 60%. Fuel consumption
is 20% lower than a prechamber diesel engine, resulting
in an equivalent reduction in CO
2
emissions and thanks to
the torque available at low engine speed it could be argued
that driveability is now better than in petrol engined cars.
DIESEL PARTICULATE FILTER
SYSTEM (DPFS)
Our unique DPFS collects exhaust particulates (soot) that
would have been bound for the air around us and burns
them off at 550 degrees C. This means that ‘black smoke’
i s e l im in at e d c o mp l ete l y. And b ecau se t h e l te r i s c on st a ntly
burning the particulates it is self-cleaning and requires
no maintenance.
ANTI-LOCK BRAKING
SYSTEM (ABS)
Computer-controlled braking assistance designed to
prevent the wheels from locking under extreme braking.
This enables the car to continue being steered and therefore
controlled during this braking incident. The Citroën C5’s
ABS system is further enhanced with EBA and EBD
(see below).
ELECTRONIC BRAKEFORCE
DISTRIBUTION (EBD)
A conventional ABS system cannot account for any of the
four wheels wanting to lock more quickly than the others
(for example, two of the wheels may be on snow and two
on tarmac). EBD reads the deceleration rate of each wheel
individually and applies the ABS principles accordingly.
EMERGENCY BRAKING
ASSISTANCE (EBA)
As drivers we nd it difcult to instinctively brake very hard,
but this is often what is needed in those rare emergency
situations. The EBA system recognises our ‘attempt’
to brake hard and in combination with the ABS and
EBD systems instantly applies the maximum stopping
power possible.
ELECTRONIC STABILITY
PROGRAMME (ESP)
This is computer-controlled traction assistance and is
provided primarily through the braking systems. The
ESP’s control unit constantly compares where the driver
intends going (through the position of the steering wheel)
with where the vehicle is actually going and, if necessary,
make s speed co rre cti ons to e ach wheel individu ally th rough
braking or engine torque to keep the vehicle ‘in line’.
ISOFIX
A standardised and more simple method for installing
child seats, each seat is ‘clicked’ into place via a three point
system. On the Citroën C5, Isox is installed on the two
outer rear seats and the front passenger seat (on SX two
outer rear seats only).
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