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DIMENSIONSGLOSSARY
e-HDi DIESEL ENGINE
The e-HDi 90 Airdream manual engine is capable
of up to 78.5mpg and CO
2
emissions of as little
as 91g/km. It has a reversible starter-alternator
that works in tandem with an e-booster to
provide a seamless Stop & Start function. Going
further than other similar systems, the e-HDiās
Stop & Start puts the engine into idle mode
while decelerating before coming to a complete
standstill. This reduces consumption by 15% in
urban driving.
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 CitroĆ«n DS3ās ABS system
is further enhanced with EBA and EBD.
ELECTRONIC BRAKEFORCE
DISTRIBUTION (EBD)
A conventional ABS system cannot account for
anyīofītheīfourīwheelsīwantingītoīlockīmoreīquicklyī
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 īnd it difīcult to instinctively brake very
hard, but this is often what is needed in those rare
emergency situations. The EBA system recognises
our āattemptā to brake hard and in combination with
the ABS and EBD systems instantly applies the
maximum stopping power possible.
ELECTRONIC STABILITY CONTROL (ESC)
This is computer-controlled traction assistance and
is provided primarily through the braking systems.
The ESCās 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, makes speed corrections
to each wheel individually through braking or
engineītorqueītoīkeepītheīvehicleīāinīlineā.
EMYWAY SATELLITE NAVIGATION SYSTEM
The eMyWay satellite navigation system
features a 7ā screen and covers UK and Europe.
Its in-built memory provides information about
speed limits and lets you know which lane to use
when reaching complex intersections. The system
also lets you adapt your route based on trafīc
conditions, with data provided by Trafīcmaster
and ViaMichelin in the UK and France.
ON-BOARD TRIP COMPUTER
The CitroĆ«n DS3ās multi-function on-board trip
computer provides you with information at your
īngertips. At the touch of a button you can view a
range of data like fuel consumption, average speed
and mileage possible at your current fuel level.
VARIABLE POWER ASSISTED STEERING
A system that provides extra power assistance for
a vehicleās steering at low speeds (such as turning
a sharp corner) and less assistance during
high-speed situations.
CITROĆN ETOUCH EMERGENCY
AND ASSISTANCE SYSTEM
In the event of an accident or sudden health
problem, one push of the āSOSā button will
instantly contact the emergency services. If thereās a
more serious incident, SOS activates automatically.
After a breakdown, one push on the āchevronā
button will alert Citroƫn Assistance, sending both
location details and an initial fault report.
RADIO DATA SYSTEM (RDS)
Trafīc information on FM radio, allowing the
station name and other information to be
transmitted alongside audio information.
FRONT SEAT BELT PRE-TENSIONERS
In the event of a crash, a pre-tensioner will tighten
the seat belt almost instantaneously. This reduces
the load on the occupant in a violent crash. Like
airbags, pre-tensioners are triggered by sensors in
the carās body, and use explosively expanding gas
to drive a piston that retracts the belt. Seat belt
pre-tensioners also lower the risk of āsubmariningā,
which is when a passenger slides forward under
a loosely worn seat belt.
ISOFIX
A standardised and more simple method for
installing child seats, each seat is āclickedā into
place via a three point system. On Citroƫn DS3,
Isoīx is installed on the outer rear seats.
All measurements are in millimetres.
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