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

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: 35R Clutch Control Solenoid Valve(35R/C_VFS) Components and Components Location
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Hyundai Elantra AD (2016-2020) Owners Manual: Climate Control Additional Features
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