Hyundai Ioniq: Braking System / Hill-Start Assist Control (HAC)

Hyundai Ioniq (AE) 2017-2023 Owner's Manual / Driving your vehicle / Braking System / Hill-Start Assist Control (HAC)

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

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)

    The Vehicle Stability Management (VSM) is a function of the Electronic Stability Control (ESC) system. It 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 become uneven...

    Good Braking Practices

    WARNING Whenever leaving the vehicle or parking, always come to a complete stop and continue to depress the brake pedal. Move the shift lever into P (Park) position, then apply the parking brake, and place the Engine Start/Stop button in the OFF position...

    Other information:

    Hyundai Ioniq (AE) 2017-2023 Service Manual: Drive Belt Tensioner. Repair procedures


    Removal and Installation1.Remove the drive belt.(Refer to Timing System - "Drive Belt")2.Remove the mechanical tensioner (A). Tightening torque : 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)3.Remove the hydraulic tensioner.(1)Remove the hydraulic tensioner mounting bolts (A)...

    Hyundai Ioniq (AE) 2017-2023 Service Manual: Purge Control Solenoid Valve (PCSV). Repair procedures


    Inspection1.Turn the ignition switch OFF.2.Disconnect the PCSV connector.3.Measure resistance between the PCSV terminals 1 and 2.4.Check that the resistance is within the specification. Specification : Refer to "Specification"Removal1.Turn the ignition switch OFF and disconnect the battery negative (-) cable...

    Categories

    Seatback pocket

    Hyundai Ioniq. Seatback pocket

    The seatback pocket is provided on the back of the front passenger's seatback.

    WARNING

    To prevent the Occupant Classification System from malfunctioning:

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