Alfa Romeo 166 Specifications download pdf (Page 118)

117

VDC AND ASR

SYSTEMS

(on request for versions/markets

where applicable)

VDC SYSTEM (VEHICLE

DYNAMICS CONTROL):

GENERAL

The VDC is an electronic vehicle stability

control system which, acting on the

torque and braking the wheels in a differ-

entiated manner, helps to bring the car

back to the correct course in the event of

loss of grip.

While travelling the car is subjected to

lateral and longitudinal forces that may

be controlled by the driver up to when

the tyres offer adequate road-holding;

when this falls below the minimum level,

the car starts to deviate from the course

required by the driver.

Above all on rough surfaces (such as

cobbles, or due to the presence of water,

ice or soil), changes in speed (when ac-

celerating or braking) and/or course

(bends or the need to avoid obstacles)

can cause the tyres to lose grip.

When the sensors detect the conditions

that would lead to skidding, the VDC sys-

tem acts on the engine and brakes gener-

ating a stabilising torque.

The system performance

levels, in terms of active

safety, should not induce the dri-

ver to run pointless and unjustified

risks. Driving conduct should al-

ways be suited to the conditions of

the road surface, vision and traf-

fic. The responsibility for road safe-

ty is always and anyway the ve-

hicle driver’s concern.

The VDC system helps the driver

to keep control of the car in the

event of loss of tyre grip.

The forces induced by the VDC sys-

tem to control the lack of stability

of the car always and anyway de-

pend on the grip between the tyre

and the road surface.

WARNING

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