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 (NX4) 2022-2023 Owner's Manual: Seat belt warning light. Airbag warning light
Seat belt warning light
This warning light informs the driver that
the seat belt is not fastened.
For more information, refer to the “Seat
Belts” section in Chapter 3.
Airbag warning light
This warning light illuminates:
When the ignition switch is in the ON
position. It illum ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Purge Control Solenoid Valve (PCSV) Description and Operation
Description
Purge Control Solenoid Valve (PCSV) is installed on the surge
tank and controls the passage between the canister and the intake
manifold. It is a solenoid valve and is open when the ECM grounds the
valve control line. When the passage is open (PCSV ON), fuel vapor
stored in th ...
