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2.28 DRIVER CORRECTION DEVICES AND AIDS (3/12) Electronic stability control ESC with understeer control and traction control Electronic stability control ESC of the vehicle in critical driving condi- tions (avoiding an obstacle, loss of grip on a bend, etc.). Operating principle the direction selected by the driver. measure the actual direction. the actual trajectory of the vehicle and corrects the trajectory if necessary by controlling the braking of certain wheels and/or engine power. In the event that the system is engaged, indicator light flashes on the instrument panel. Understeer control ESC in the case of pronounced un- dersteer (loss of front axle road hol- ding). Traction control the drive wheels and to control the vehi- cle when pulling away accelerating or decelerating. measures and compares the speed of the drive wheels at all times and slows down their over-rotation. If a wheel is starting to slip, the system brakes au- tomatically until the drive supplied be- comes compatible with the level of grip under the wheel again. The system also adjusts the engine speed to the grip available under the wheels, independently of the pressure exerted on the accelerator pedal. Operating faults ing fault the message “Check ESC” and warning light © and appear on the instrument panel. In this case, the ESC and traction con- trol system are deactivated. Consult an authorised dealer. |