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ASR SYSTEM (Antislip Regulation)
This is integral to the ESP system and automatically
intervenes if one or both drive wheels slip, helping
the driver to control the car.
Depending on the slipping conditions, two different
control systems are activated:
❒ if the slipping involves both drive wheels, the ASR
intervenes reducing the power transmitted by the
engine;
❒ if the slipping only involves one of the drive
wheels, the ASR intervenes automatically braking
the wheel that is slipping.
The action of the ASR system is particularly helpful
in the following circumstances:
❒ slipping of the inner wheel on bends due to
dynamic variations in the load or excessive
acceleration;
❒ excessive power transmitted to the wheels, also in
relation to road surface conditions;
❒ acceleration on slippery, snowy or icy road
surfaces;
❒ loss of grip on wet road surfaces (aquaplaning).
MSR SYSTEM (ENGINE DRIVE
REGULATION)
This is an integral part of the ASR system that, in the
event of a sudden gear downshifting, cuts in and
provides torque to the engine thus preventing
excessive drive wheel drive which, especially in poor
grip conditions, can lead to loss of stability.
ENGAGEMENT/DISENGAGEMENT OF THE
ASR SYSTEM
The ASR system switches on automatically each time
the engine is started.
When the system is active, a message is shown on
the display (see "Warning lights and messages"
chapter).
Whilst driving, the ASR can be deactivated and
subsequently activated again by pressing the ASR
OFF button on the dashboard, next to the steering
wheel.
Whilst driving, the ASR can be switched off and
subsequently switched on again by pressing button C.
fig. 89
GETTING TO
KNOW YOUR CAR
SAFETY
STARTING AND
DRIVING
WARNING LIGHTS
AND MESSAGES
IN AN EMERGENCY
SERVICING AND
MAINTENANCE
TECHNICAL
SPECIFICATIONS
INDEX
F0Q0694
93
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