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
- The HAC does not operate when the shift lever is in P (Park) or N (Neutral)
- The HAC activates even though the ESC (Electronic Stability Control) is off but does not activate when the ESC has malfunctioned.
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
Description
The charging system included a battery, an alternator with a built-in regulator, and the charging indicator light and wire.
The Alternator has eight built-in diodes, each rectifying AC current to DC current.
Therefore, DC current appears at alternator "B" terminal.
In addition, the ...
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 ...