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 PracticesHyundai Elantra AD (2016-2020) Service Manual: Underdrive Brake Control Solenoid Valve(UD/B_VFS) Description and Operation
Description
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Underdrive brake control solenoid valve(UD/B) is attached to the valve body.
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This variable force solenoid valve directly controls the hydraulic pressure inside the underdrive brake. ...
Hyundai Elantra AD (2016-2020) Owners Manual: LCD Display Messages
Shift to P or N to start engine (for smart key system and Intelligent Variable
Transmission (IVT)/dual clutch transmission)
This warning message is displayed if you try to start the engine with the shift
lever not in the P (Park) or N (Neutral) position.
Information
You can start the engine w ...