Hyundai Santa Fe (TM): Braking system / Hill-Start Assist Control (HAC)
Hill-Start Assist Control helps prevent the vehicle from rolling backwards when starting a vehicle from a stop on a hill. The system operates the brakes automatically for approximately 2 seconds and releases the brake after 5 seconds or when the accelerator pedal is depressed.
WARNING
Always be ready to depress the accelerator pedal when starting off an incline. Hill-Start Assist Control activates only for approximately 2 seconds.
Information
- Hill-Start Assist Control does not operate when the gear is shifted to P (Park) or N (Neutral).
- Hill-Start Assist Control activates even when the ESC (Electronic Stability Control) is off. However, it does not activate, when ESC does not operate normally.
Vehicle Stability Management is a function of the Electronic Stability Control (ESC) system. It helps the vehicle stay stable when accelerating or braking suddenly on wet, slippery and rough roads where traction over the four tires can suddenly become uneven.
Downhill Brake Control assists the driver to descend down a steep hill without having to depress the brake pedal. The system automatically applies the brakes to maintain vehicle speed below a certain speed and allows the driver to concentrate on steering the vehicle down hill.
Other information:
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Troubleshooting
Diagnosis with Diagnostic tool 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool). The diagnostic system (Diagnostic tool) provides the following information.
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Troubleshooting
Troubleshooting 1) After replacing controller, always check that the system operates properly. 2) If the failure persists after replacing the controller, do not replace th
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