Hyundai Santa Fe: Hill-start assist control (HAC) - Brake system - Driving your vehicleHyundai Santa Fe: Hill-start assist control (HAC)

A vehicle has the tendency to roll back on a steep hill when the driver begins to accelerate after a stop. The Hill-start Assist Control (HAC) prevents the vehicle from rolling back by operating the brakes automatically for about 1.5 seconds. The brakes are released when the accelerator pedal is depressed or after about 1.5 seconds.

WARNING

The HAC is activated only for about 1.5 seconds, so always depress the accelerator pedal to begin accelerating after a stop.

✽ NOTICE

  • The HAC does not operate when the transaxle shift lever is in the P (Park) or N (Neutral) position.
  • The HAC activates even though the ESC is off but it does not activate when the ESC has malfunctioned.
Downhill brake control (DBC)
The Downhill Brake Control (DBC) assists the driver when descending a steep hill without the driver depressing the brake pedal. It slows the vehicle to under approximately 6.3 mph (10 km/h) and lets the ...

Good braking practices
WARNING Whenever you leave or park your vehicle, always set the parking brake as far as possible and fully engage the vehicle's transaxle into the P (Park) position. If the parking brake is not fully ...

See also:

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Special Service Tools
Special Service Tools Tool(Number and Name) Illustration Use Deployment tool 0957A-34100A Airbag deployment tool. Deployment adapter 0957A-3F100 Use with deployment tool. (KAB) Deployment adapter 0957A-2W100 ...

Accelerator Position Sensor (APS). Specifications
Specification Accelerator Position Output Voltage (V) APS1 APS2 C.T 0.7 ~ 0.8 0.275 ~ 0.475 W.O.T 3.8 ~ 4.4 1.75 ~ 2.35 ...