“Electronic Vehicle Information Center (EVIC)” in “Under-
standing Your Instrument Panel” for further information.
Dynamic Steering Torque (DST)
The DST function uses the integration of the ESC system
with the electric power steering to increase the safety
level of the whole car.
In critical situations (understeering, oversteering, brak-
ing with different grip conditions), through the DST
function the ESC system controls the steering to imple-
ment an additional torque contribution on the steering
wheel, to suggest the most correct manoeuvre to the
driver.
The coordinated action of brakes and steering increases
the safety and car control feeling.
NOTE: The DST is a driving aid system and does not
replace the driver’s actions while driving the car.
Electronic Stability Control (ESC)
This system enhances directional control and stability of
the vehicle under various driving conditions. ESC cor-
rects for oversteering or understeering of the vehicle by
applying the brake of the appropriate wheel to assist in
counteracting the oversteering or understeering condi-
tion. Engine power may also be reduced to help the
vehicle maintain the desired path. ESC uses sensors in
the vehicle to determine the vehicle path intended by the
driver and compares it to the actual path of the vehicle.
When the actual path does not match the intended path,
ESC applies the brake of the appropriate wheel to assist
in counteracting the oversteer or understeer condition.
• Oversteer - when the vehicle is turning more than
appropriate for the steering wheel position.
• Understeer - when the vehicle is turning less than
appropriate for the steering wheel position.
256 STARTING AND OPERATING
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