CITROEN C3 Brochure download pdf (Page 35)

DIMENSIONSGLOSSARY

e-HDi DIESEL ENGINE

The e-HDi 70 ETG engine is capable of 83.1mpg

and CO

emissions of just 87g/km combined

with the EGS gearbox. 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-HDi’s Stop & Start puts the engine into idle

mode while decelerating before coming to a

complete standstill. This reduces consumption by

15% in urban driving.

HIGH-PRESSURE DIRECT INJECTION

DIESEL ENGINE

Citroën’s 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

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.

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 C3’s ABS system

is further enhanced with EBA and EBD.

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 difcult 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 CONTROL (ESC)

This is computer-controlled traction assistance and

is provided primarily through the braking systems.

The ESC’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, makes speed corrections

to each wheel individually through braking or

engine torque to keep the vehicle ‘in line’.

ON-BOARD TRIP COMPUTER

The Citroën C3’s multi-function on-board trip

computer provides you with information at your

ngertips. 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.

RADIO DATA SYSTEM (RDS)

Trafc information on FM radio, allowing the

station name and other information to be

transmitted alongside audio information.

EMYWAY SATELLITE NAVIGATION SYSTEM

The eMyWay satellite navigation system

features a 7” 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 trafc

conditions, with data provided by Trafcmaster

and ViaMichelin in the UK and France.

VARIABLE POWER ASSISTED STEERING

A system that provides extra power assistance

for a vehicle’s steering at low speeds (such as

turning a sharp corner) and less assistance

during high-speed situations.

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 car’s body, and use explosively expanding gas

to drive a piston that retracts the belt. Seat belt

pre-tensioners also lower the risk of “submarining”,

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 ‘clicked’ into

place via a three point system. On the Citroën

C3, Isox is installed on the outer rear seats.

All measurements are in millimetres.

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