Hyundai Elantra: 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.
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 the 1st gear (for
manual transmission vehicle) o ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: SS-A Solenoid Valve(ON/OFF) Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Disconnect the solenoid valve connector (A).
4.
Measure resistance between sensor signal terminal and sensor ground terminal.
5.
Check that the ...
Hyundai Elantra AD (2016-2020) Service Manual: ABS Control Module Repair procedures
Removal
1.
Turn the ignition switch OFF and then disconnect the negative (-) battery cable.
2.
Pull up the lock of the HECU connector (A) , then disconnect the connector.
3.
Remove the brake fluid from the master cylinder reservoir with a syringe.
•
Be sure to ...
