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1 the HAC uphill assist system
Introduction:
uphill assist system (Hill-start Assist ControL, HAC), the ESP system is based on derived developed a feature that allows the vehicle does not apply the hand brake in the case when the initial slope, the right foot off the brake pedal of the vehicle can continue to maintain the brake a few seconds, so as to allow motorists can easily be shifting from foot brake pedal accelerator pedal to prevent slip car caused the accident, and do not allow motorists to feel confused.
Working conditions:
1, the shift lever is at any position on the outer P (automatic models).
2, the accelerator pedal is not depressed.
3, the vehicle is stationary.
4, the parking brake is not pulled.
In the basic premise of the above conditions are satisfied, a case where the vehicle is stopped when the driver further depresses the brake pedal, the system starts uphill assist control.