81
SAFETY DEVICES
CORRECT USE OF THE CAR
W
ARNING
LIGHTS AND MESSAGES
IIN AN
EMERGENCY
CAR
MAINTENANCE
TECHNICAL
SPECIFICA
TIONS
INDEX
DASHBOARD AND CONTROLS
For correct operation of the
ESP and ASR systems, the
tyres must absolutely be of the same
brand and type on all wheels, in per-
fect conditions and, above all, of
type, brand and size specified.
WARNING
ASR SYSTEM (Antislip Regulator)
The ASR function controls car drive and
cuts in automatically every time one or
both driving wheels slip.
According to slipping conditions, two dif-
ferent control systems are activated:
❒
if slipping involves both driving wheels,
the ASR function intervenes reducing
the power transmitted by the engine;
❒
if the slipping involves only one driving
wheel, the ASR system cuts in auto-
matically braking the wheel that is slip-
ping.
The action of the ASR is particularly help-
ful in the following circumstances:
❒
slipping of the inner wheel due to the
effect of dynamic load changes or ex-
cessive acceleration;
❒
too much power transmitted to the
wheels also in relation to the conditions
of the road surface;
❒
acceleration on slippery, snowy or
frozen surfaces;
❒
in the case of loss of grip on a wet sur-
face (aquaplaning).
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