Hyundai Tucson: Braking system / Hill-Start Assist Control (HAC)

The Hill-Start Assist Control (HAC) prevents 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 when the accelerator pedal is depressed or after 2 seconds.

WARNING

Always be ready to depress the accelerator pedal when starting off on a incline. The HAC activates only for approximately 2 seconds.

✽ NOTICE

Vehicle Stability Management (VSM)
Vehicle Stability Management (VSM) helps ensure the vehicle stays stable when accelerating or braking suddenly on wet, slippery and rough roads where traction over the four tires can suddenly beco ...

Downhill Brake Control (DBC)
The Downhill Brake Control (DBC) supports the driver come down a steep hill without depressing the brake pedal. It slows down the vehicle under 5mph (8 km/h) and lets the driver concentrate on ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
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Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect areaEngine will not start or hard to startVapor hose damaged or disconnectedEngine hard to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of the Eva ...

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